KR101970746B1 - manufacturing method and system for digital denture, and denture hole guider applied to thereof and manufacturing method - Google Patents

Abstract

In order to improve manufacturability and accuracy, the present invention provides a three-dimensional operation image obtained by displaying information on the occlusion of the opposed interaxial arches from the target arch of the subject to be prosthesis and the placement information of the fixture to be placed on the target arch, A provisional provisional prosthesis in which a coupling region formed corresponding to a margin profile of an abutment arranged in an aligned arrangement is prepared; A second step of obtaining an auxiliary scan image for the temporary prosthesis; A third step of acquiring a corrected surface image for the three-dimensional surface information of the inner joint of the temporary prosthesis including the coupling region in the auxiliary scan image; And a fourth step of designing and manufacturing a digital prosthesis in which a virtual engagement groove corresponding to the position and shape of the three-dimensional surface information of the coupling region is formed in an inner surface profile set in accordance with the three-dimensional surface information of the mold- A method for manufacturing a prosthesis is provided.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a digital prosthesis manufacturing method and manufacturing system, a digital prosthodontic guiding apparatus and a manufacturing method thereof,

More particularly, the present invention relates to a digital prosthesis manufacturing method and manufacturing system that improves manufacturability and precision, a denturehole guider and a denturehole guider applicable thereto, and a digital prosthesis manufacturing method and manufacturing system, And a manufacturing method thereof.

In general, a denture or prosthesis is an artificial periodontal tissue that restores the external shape and function artificially by replacing defective natural teeth.

In detail, if the natural tooth is left in a state of being lost, dentition distortion occurs in the adjacent tooth and the opposed tooth of the missing tooth, resulting in deformation of the facial shape, and the masticatory function is deteriorated and the inconvenience to daily life is increased. Further, when the loss state of the natural teeth is maintained for a long period of time, the alveolar bone surrounding the missing teeth is absorbed into the body, which makes it difficult to install the artificial periodontal tissue.

At this time, the denture or prosthesis is installed inside the oral cavity to restore the masticatory function and prevent the periodontal tissue from being deformed. The denture or the prosthesis can be divided into partial / complete dentures and partial / complete prosthetic teeth depending on the number of missing teeth.

On the other hand, the denture may be installed in the inner cavity through a fixture mounted on the alveolar bone, and the denture adhesive is applied to the inner joint groove and adhered to the surface of the gum. At this time, since the dentition is supported on the gums, deformation of the gums or a large amount of foreign body sensation are caused, and thus the amount of the prosthesis supported by the alveolar bone is increasing.

In detail, the prosthesis is provided with a coupling hole into which the support cylinder is embedded. That is, when the perforation is formed in the alveolar bone, the fixture is placed on the perforation formed. Subsequently, when the abutment is installed in the fixture, the support cylinder is engaged with the abutment, so that the prosthesis can be installed inside the oral cavity.

At this time, the support cylinder and the abutment / fixture are formed at a plurality of positions according to the size of the prosthesis, and the prosthesis is stably installed as each support cylinder is matched one to one with the respective abutment / fixture .

However, conventionally, after manufacturing a prosthesis, a method of predicting a placement position of a prosthesis in an oral cavity and a placement position of a fixture / abutment to process a fitting hole and then embedding the supporting cylinder is used, There was a big problem.

That is, after the support cylinder is fastened to the fixture / abutment placed and installed in the alveolar bone, a prosthesis having a large-sized coupling hole is placed in the oral cavity in consideration of manufacturing tolerances.

Then, the engaging hole is expanded according to the positional deviation between the supporting cylinder and the abutment, and when the engaging hole is machined to such an extent that the supporting cylinder is completely inserted, the prosthesis is fixed to the predetermined mounting position. Then, resin was injected between the coupling hole and the supporting cylinder to cure the coupling hole and the supporting cylinder, and the initial installation process of the prosthesis was completed. As a result, there is a problem that the procedure of installing the prosthesis becomes very complicated, and the subsequent hardened resin has a problem that the stability and durability of the prosthesis are deteriorated because the supporting force of the cured resin is weak and is easily separated.

In order to solve this problem, an impression of the target arch is obtained after the impression copings are concluded on the fixture, a model of the target arch is formed using the inner profile of the obtained impression, And the method of manufacturing the prosthesis by setting the angle has been used.

However, in the case of such an impression acquisition method, there is a problem that the impression of the impression causes a patient's discomfort. In addition, the burden of the practitioner is increased due to various complicated and high-difficult process steps, and errors in each process step are often overlapped, resulting in a problem of degraded precision.

Korea Patent No. 10-0403834

In order to solve the above problems, the present invention provides a digital prosthesis manufacturing method and a manufacturing system which improve manufacturing convenience and precision, a denturehole guider applied thereto, and a manufacturing method.

According to an aspect of the present invention, there is provided a digital prosthesis comprising a planning unit for performing a design of a digital prosthesis, a three-dimensional operation unit for displaying clipping information of confrontational arches from an object arch of a subject to be prosthodontic and placement information of a fixture to be placed on the target arch, A first step of preparing an interim prosthesis in which an image is acquired, and a coupling region formed corresponding to a margin profile of an abutment coupled to the fixture is aligned and arranged; A second step of obtaining an auxiliary scan image for the temporary prosthesis through an imaging device; A third step of acquiring a corrected surface image for the three-dimensional surface information of the inner mold cavity of the temporary prosthesis including the coupling region in the auxiliary scan image through the planning unit; And the final design information of the digital prosthesis in which an imaginary coupling groove corresponding to a position and a shape of the three-dimensional surface information of the coupling region is matched and obtained in an inner surface profile set in accordance with the three-dimensional surface information of the mold groove is transmitted to the manufacturing apparatus And a fourth step in which the final digital prosthesis is manufactured. In the third step, the boundary area selected and input along the outer side of the mold groove in the three-dimensional surface information of the temporary prosthesis included in the auxiliary scan image Dimensional surface information of the provisional prosthesis excluding the fusion region is erased and the inner surface side information of the fusion region including the coupling region is exposed and obtained as a corrected surface image, Wherein in the first step, the provisional prosthesis is formed by puncturing a fitting hole in a denture mounted on an object arch of a subject to be prosthodonticized, or Group three-dimensional design information of the temporary prosthesis is obtained the operation image based on is transferred to the manufacturing apparatus provides a digital prosthesis manufacturing method as claimed preparation as being either the said coupling hole doedoe 3D printing integrally formed.

According to another aspect of the present invention, a three-dimensional operation image is displayed through a planning unit for designing a digital prosthesis, in which occlusion information of confrontational arches from an object arch of a subject to be prosthodontic and placement information of a fixture to be placed on the target arch is displayed, A first step of preparing a provisional prosthesis in which the engagement ends of the support cylinders are aligned so as to correspond to the margin portion profile of the abutment coupled to the fixture; A second step of obtaining an auxiliary scan image for the temporary prosthesis through an imaging device; A corrected surface image is acquired for the three-dimensional surface information of the inner mold cavity of the temporary prosthesis including the support cylinder in the auxiliary scan image through the planning section, and the virtual surface image extracted from the digital library corresponding to the abutment A third step in which the three-dimensional surface information of the support cylinder coupling end is alternately corrected by the abutment; And final design information of the digital prosthesis in which the virtual engagement groove is matched and acquired in correspondence with the position and shape of the virtual abutment in the inner surface profile set in accordance with the three-dimensional surface information of the mold groove, And a fourth step in which the prosthesis is manufactured. In the third step, in the three-dimensional surface information of the temporary prosthesis included in the auxiliary scan image, Wherein the three-dimensional surface information of the temporary prosthesis excluding the merged area is erased so that the inner surface side information of the merged area including the combined area of the supporting cylinder is exposed and acquired as a corrected surface image, The present invention also provides a method of manufacturing a digital prosthesis.

According to another aspect of the present invention, there is provided an imaging apparatus comprising: an imaging device that acquires an auxiliary scan image by imaging a provisional prosthesis in which a coupling region formed so as to correspond to an abutment coupled to a fixture placed in an object arch of an object to be prosthodontic is aligned; Dimensional space information of the temporal prosthesis excluding the combined area, the three-dimensional surface information of the temporary prosthesis excluding the combined area is set based on the boundary area selected and input along the outer side of the mold- Wherein the inner surface profile is set in accordance with the three-dimensional surface information of the mold groove, and the inner surface profile of the coupling region is set in the inner surface profile, A planner for designing a digital prosthesis by setting a virtual coupling groove corresponding to a position and a shape of the dimensional surface information; And a manufacturing apparatus for manufacturing the designed digital prosthesis.

Through the above solution, the present invention provides the following effects.

First, a digital prosthesis can be designed and manufactured in a simple and high-precision manner by using a three-dimensional work image, unlike the prior art in which an impression for a target arch is obtained, and the design information of a digital prosthesis acquired with three- Storage and management, and easy repetitive manufacturing in case of breakage and loss can be made, so that manufacturing convenience can be improved.

Second, since the surface profile of the subject arch and the fixture placement information are replaced with the images obtained for the support cylinder installed in the temporary prosthesis and provisional prosthesis, the vibration, tremor, and distortion The precision of the digital prosthesis can be improved since high precision images with minimal deviations can be used in the design of the mold recesses and engagement grooves.

Third, as a simple method of deleting unnecessary image parts from the acquired three-dimensional surface information obtained by scanning the temporary prosthesis, the design information corresponding to the target arch and the coupling area is clearly exposed and acquired, The installation precision of the digital prosthesis can be remarkably improved.

Fourth, by using the denture hole guide, the adhesive denture in use can be easily transformed into a temporary prosthesis that can be installed in the target arch through the fixture and the cylinder device, and a coupling hole formed in the tentacle hole guider is inserted into the fixture / Precise machining of the coupling hole is possible as it is set to correspond precisely with the position of the device.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a flow chart illustrating a method of manufacturing a digital prosthesis according to an embodiment of the present invention; FIG.
2 is a block diagram illustrating a digital prosthesis manufacturing system in accordance with an embodiment of the present invention.
3 is an exemplary view showing a bite occlusion image in a digital prosthesis manufacturing method according to an embodiment of the present invention.
4 is an exemplary view showing a surface image in a digital prosthesis manufacturing method according to an embodiment of the present invention;
5 is a view illustrating a design process of a coupling hole in a digital prosthesis manufacturing method according to an embodiment of the present invention.
6A and 6B are diagrams illustrating a design process of a denturehole guider in a digital prosthesis manufacturing method according to an embodiment of the present invention.
FIGS. 7A and 7B are views illustrating a bonding hole puncturing process using a denturehole guider manufactured through a digital prosthesis manufacturing method according to an embodiment of the present invention; FIG.
FIG. 8 is a bottom view of a temporary prosthesis in which a coupling hole is corrected through a digital prosthesis manufacturing method according to an embodiment of the present invention. FIG.
FIGS. 9A and 9B are views illustrating a process of acquiring a corrected surface image in a digital prosthesis manufacturing method according to an embodiment of the present invention; FIGS.
10A and 10C are diagrams illustrating a design process of a digital prosthesis using a corrected surface image in a digital prosthesis manufacturing method according to an embodiment of the present invention.
11 is an exploded perspective view illustrating a digital prosthesis manufactured by the method of manufacturing a digital prosthesis according to an embodiment of the present invention.

Hereinafter, a method and a system for manufacturing a digital prosthesis according to a preferred embodiment of the present invention, a denturehole guider applied thereto, and a manufacturing method thereof will be described in detail with reference to the accompanying drawings.

FIG. 1 is a flowchart illustrating a digital prosthesis manufacturing method according to an embodiment of the present invention, and FIG. 2 is a block diagram illustrating a digital prosthesis manufacturing system according to an embodiment of the present invention.

As shown in FIGS. 1 and 2, the digital prosthesis manufacturing method according to the present invention includes the steps of acquiring a three-dimensional work image (s210), preparing a temporary prosthesis (s220), acquiring an auxiliary scan image (s230) (S240), and design and manufacture of a digital prosthesis using a corrected surface image (s250).

Meanwhile, in this embodiment, a manufacturing method of a digital prosthesis is shown and described as an example of a manufacturing process of a complete prosthesis in which either one of the maxillary and mandibular incisors is edentulous or the upper and lower mandibles are both edentulous. Of course, the method of manufacturing a digital prosthesis according to the present invention is equally applicable to a partial prosthesis manufacturing process in which partial teeth of a maxilla or mandible are missing and partial edentulism is installed.

The digital prosthesis manufacturing method of the present invention can be performed by using the digital prosthesis manufacturing system 100 including the imaging device 10, the planning unit 20, and the manufacturing apparatus 30. [ At this time, the imaging device 10 is preferably understood as a concept including an oral scanner and a CT imaging device.

FIG. 3 is an exemplary view showing a bite occlusion image in the digital prosthesis manufacturing method according to an embodiment of the present invention, FIG. 4 is an exemplary view showing a surface image in the digital prosthesis manufacturing method according to an embodiment of the present invention, FIGS. 6A and 6B illustrate a design process of a digital prosthesis according to an embodiment of the present invention. FIGS. 6A and 6B illustrate a digital prosthesis manufacturing method according to an embodiment of the present invention. FIGS. 7A and 7B are views illustrating a joint hole piercing process using a denturehole guider manufactured through a digital prosthesis manufacturing method according to an embodiment of the present invention. Referring to FIG.

As shown in FIGS. 3 to 7B, a three-dimensional operation image (1d) in which occlusion information between opposed arches opposed to the target arch is detected from the target arch of the subject to be prosthesis and placement information of the fixture to be placed on the target arch, (S210 in FIG. 1).

In this case, the occlusion information means a vertical height between the target arch and the arch intercaval, which provides a mental sensitivity suitable for the subject to be prosthodontic. The placement information of the fixture means information indicating the position and the placement angle of the fixture to be erected or placed in the target arch. Here, it is preferable that the placement information includes information related to the shape, position, and angle of the abutment coupled to the fixture. In the meantime, the target arch is a mandibular dental prosthesis requiring the treatment of the maxillary and mandibular prosthesis of the subject to be prosthodontic. Hereinafter, the case where the target arch is mandibular is described and shown as an example.

In detail, the 3D working image 1d refers to image data representing periodontal tissue information such as gingiva, teeth, alveolar bone, and the like of the subject's arch and the opposed arch. At this time, the three-dimensional working image 1d may be obtained through an oral scanner, a CT imaging device, or the like, and two or more pieces of image data may be obtained by matching or matching.

Here, the placement information of the fixture may be acquired based on the fixture image displayed in the three-dimensional work image 1d when the fixture is placed in the target arch. Alternatively, if the fixture is not placed in the target arch, it can be obtained based on the virtual fixture that is virtually arranged based on periodontal tissue information displayed in the three-dimensional work image 1d.

On the other hand, the three-dimensional working image 1d can be obtained by matching the base occlusion image 1c and the surface image 1b. Here, the bite occlusion image 1c refers to an image obtained through the oral scanner in the occlusion state between the denture and the opposed arch during which the denture is attached to the target arch of the subject.

At this time, the denture refers to an artificial periodontal tissue which is being used in the past by a subject to be prosthodontically adhered and fixed with a dental adhesive without using a fixture / abutment / supporting cylinder or the like. The temporary prosthesis or the digital prosthesis refers to an artificial periodontal tissue that is installed in the target arch by means of a fixture / abutment / supporting cylinder.

3, a denture image 5c, a target arch image 2c, and an image of an opposed arch arch 3c may be displayed on the base occlusion image 1c. Here, the denture image 5c represents the surface shape information of the denture, and the object arch image 2c represents the partial surface shape of the dental arch to which the denture is attached. The image 3c of the confrontation arch shows the surface shape information of the confrontation arch such as the upper gum and the upper teeth.

At this time, the base occlusion image 1c is obtained in a state where the denture attached to the edentulous arch of the edentulous body and the opposed arches having the remaining teeth / implant are intermeshed. Accordingly, the denture image 5c in a state of being closely attached to the subject arch may be displayed together with an occulusal vertical dimension suitable for the subject to be prosthodontic.

Of course, when there is no denture in use, the occlusal alignment base to which the impression material is applied is disposed between the object arch and the archery arch, and the thickness of the occlusal alignment base is adjusted according to the author's sensitivity to the prosthesis object, can do. The denture is manufactured according to the pull-up profile of the impression material and the calculated vertical height, so that a denture having an artificial gingival portion and an artificial tooth portion can be manufactured. The artificial tooth part is formed with a mold groove which is formed on the surface of the object arch through the impression material, and the artificial tooth part is formed on the surface of the artificial gum part based on the occlusion information, As shown in FIG.

Referring to FIG. 4, the surface image 1b of the subject arch can be obtained by capturing an image of the subject arch through which the denture is removed through an oral scanner. Herein, the surface image 1b may be displayed with an image 2b of the target arch image showing the surface shape information of the mandibular gum obscured by the dentures.

Of course, it is also possible that the surface image 1b of the object arch may be replaced on the basis of the three-dimensional surface information of the inner-side concave groove profile of the denture or the inverted image of the concave groove profile.

At this time, when the fixture is mounted on the object arch, the fixture image 7b indicating the shape information of the one end side of the fixture may be displayed on the surface image 1b. Here, a polygonal coupling groove for coupling with the abutment is formed at one end of the fixture, and a coupling groove image 71b corresponding to the surface shape of the coupling groove is displayed on the fixture image 7b.

The surface image 1b and the bite occlusion image 1c of the target arch may be obtained through the imaging device 10 provided on the operator's side such as a dentist and may be transmitted to a manufacturer's server such as a procedure support center . At this time, the surface image 1b and the bite occlusion image 1c transmitted to the manufacturer-side server can be obtained through the planning unit 20 and obtained as the three-dimensional work image 1d. Here, the surface image 1b and the bite occlusion image 1c may be matched through a common part such as a gingival surface exposed outside the denture, and may be matched using a marker or the like installed on the surface of the gum of the target arch, .

At this time, the planning unit 20 can perform a series of dentureholster guide / digital prosthesis designing processes based on the 3D working image 1d. In detail, the planning unit 20 may be a personal computer (PC) or the like, which is connected to the manufacturer's server and can perform an operation process for each image. Each of the process steps such as the design of the denturehole guider / digital prosthesis based on acquiring the 3D working image 1d through the planning unit 20 can be performed or supported.

Referring to FIG. 5, the three-dimensional operation image 1d is displayed on the basis of the vertical dimension between the target arch and the opacifying arch displayed on the base occlusion image 1c. The actual gingival portion of the target arch, (1b). That is, in the above-described three-dimensional working image 1d, an object arch image 2d indicating substantial surface shape information of the object arch covered by the false teeth and an image of the arch arch image 3d representing the surface shape information of the arch arch, Are arranged at appropriate vertical diameters and are displayed as occlusion information.

At the same time, a denture image 5d indicative of the surface shape information of the denture mounted on the target arch is displayed. In the target archery image 2d, the placement information of the fixture installed in the target arch may be displayed. In this case, it is preferable that the above-mentioned embedding information means the surface shape information of the coupling groove displayed through the coupling groove image 71b of the surface image 1b.

It is also possible that the virtual fixture 7d is virtually disposed in the three-dimensional work image 1d in a state where the fixture is not placed on the target arch. At this time, the virtual fixture 7d may be arranged based on the denture image 5d displayed on the three-dimensional working image 1d.

Here, the virtual fixture 7d refers to three-dimensional outer shape information of a real fixture placed in an actual object arch, and includes vector data representing three-dimensional outer shape information of the real fixture, It is desirable to understand it. Such three-dimensional outline information can be acquired directly through actual orbital scan or CT imaging, and can be stored in the repository in the planning unit 20 so as to be in a database. In addition, the fact that the three-dimensional work image 1d is virtually arranged means that the three-dimensional outer shape information corresponding to the real image is displayed as an image in the three-dimensional work image 1d, or the three- .

The angle of the fixture can be calculated together with the shape information of the coupling groove for guiding the placement position of the physical fixture through the virtual arrangement of the virtual fixture 7d. In this case, the setting information of the fixture is preferably understood as a concept including the shape information of the coupling groove and the calculated positioning angle in a state where the virtual fixture 7d is virtually arranged.

Of course, it is also possible that a CT image for the object arch and the confrontation arch during the acquisition of the three-dimensional operation image 1d is further obtained. In detail, the CT image can be acquired through the CT imaging device and can include information on the internal structure such as the shape, density, and nerve tissue of the alveolar bone. At this time, when the fixture is mounted on the target arch, the placement angle and position of the actual fixture or the like can be further displayed.

The 3D working image 1d can be obtained by matching and matching the bite occlusion image 1c, the surface image 1b, and the CT image through the planning unit 20.

Here, the three-dimensional work image 1d displays the tissue information of the target arch such as the mandibular alveolar bone, and the image of the target arch showing the shape information of the mandibular gum. In addition, tissue information of the opacifying arch such as the maxillary alveolar bone and the maxillary opposed tooth, an image of the confrontation arch showing the shape information of the maxillary gum, an image of the nerve tissue, and the like can be displayed.

Further, when the fixture is placed on the target arch, the fixture placement information on the CT image may be matched or matched to the target arch image on the 3D work image 3d. Alternatively, when the fixture is not placed on the target arch, the virtual fixture is virtually arranged at a position and angle suitable for the periodontal tissue of the subject to be reconstructed using tissue information, neural information, etc. of the target arch based on the CT image . As a matter of course, it is also possible that the 3D working image 1d is obtained by mutually matching the CT image 1a and the surface image 1b.

Hereinafter, the virtual fixture 7d displayed on the three-dimensional work image 1d is understood as a concept including three-dimensional vector data imaged and virtually arranged and image information directly captured and displayed through the CT image desirable.

On the other hand, when the three-dimensional working image 1d is acquired (s210 in FIG. 1), the virtual fitting hole 501d is preliminarily set to correspond to the setting information of the fixture.

5, the virtual coupling hole 501d may be set as cylindrical area information corresponding to the outer diameter of the supporting cylinder. The virtual fitting hole 501d can be virtually arranged in the three-dimensional working image 1d with the three-dimensional coordinates being first set on the basis of the shape information and the fitting angle of the coupling groove, which is the fixing information of the fixture . Of course, the virtual abutment 8d, the virtual supporting cylinder 9d, and the like may be virtually arranged based on the virtual fixture 7d for more accurate virtual placement of the virtual fitting hole 501d.

At this time, the virtual abutment 8d and the virtual supporting cylinder 9d include vector data representing three-dimensional outer shape information of the actual abutment and the actual supporting cylinder, and a three-dimensional image corresponding to the vector data It is desirable to understand it as a concept.

In detail, the actual supporting cylinder is connected to a physical abutment placed on the subject arch to be protruded from the alveolar bone or gum surface of the subject arch, and is embedded in a coupling hole of the temporary prosthesis to support the temporary prosthesis.

Here, the actual fixture may be set to the number and position so as to support the chewing pressure when the chewing pressure is calculated according to the number of opposed arch-side opposing teeth contacting the temporary prosthesis. When the number and positions of the physical fixtures are set, the mounting angles of the physical fixtures at the respective mounting positions can be set in consideration of alveolar bone shape, density, nerve tissue arrangement, and the like corresponding to the respective positions.

For example, when the subject arch is a complete edentulous mandible, the fixture may be set at four positions, such as two for the front side and two for the rear side, and the number may be set. At this time, since there is a large amount of alveolar bone at the periphery and no distribution of nerve tissue at the lower part, the angle of placement of the front side fixture can be set to the vertical direction. On the posterior side, there is no alveolar bone on one side or the other side adjacent to the end of the mandible, and nerve tissue is distributed in the lower part. Therefore, the posterior fixture can be set in a direction in which the mounting angle is inclined so as to avoid the nerve tissue and form a strong supporting force.

At this time, the support cylinder is coupled to an abutment installed on the fixture, and the abutment is formed of a straight general abutment and a bending type multi abutment so that the support cylinder is arranged toward the confronting arch. .

That is, the vertical fixture installed in the vertical direction is provided with a linear general abutment, and both the fixture, the abutment and the support cylinder can be arranged in the vertical direction. The multi-abutment is provided with a bending-type multi-abutment, and the lower end of the multi-abutment is bent in the oblique direction of the fixture, Direction.

On the other hand, the virtual engagement hole 501d is aligned so as to match the outer peripheral region of the virtually arranged cylinder 9d. Here, the virtual coupling hole 501d is design information for forming a physical coupling hole, which is a three-dimensional image or three-dimensional vector data in the three-dimensional working image 1d, and the coupling hole is an actual It is preferable to understand it by other study.

At this time, when the virtual supporting cylinder 9d is virtually disposed, the virtual fitting hole 501d can be aligned and moved according to the three-dimensional coordinates of the virtual supporting cylinder 9d.

More specifically, when perforation is formed in the subject arch of the subject to be prosthodontic, the real fixture is placed on the perforation, and the physical abutment is placed on the placed real fixture. At this time, when the supporting cylinder is fastened to the installed abutment, the provisional prosthesis can be installed through the fastened supporting cylinder.

Here, the coupling hole means a portion where the solid support cylinder is embedded. Of course, the actual supporting cylinder and the actual abutment may be coupled with each other while the actual supporting cylinder is integrally fixed to the coupling hole, so that the provisional prosthesis can be installed. Alternatively, the actual supporting cylinder may be coupled to the coupling hole in a state in which the actual supporting cylinder is fastened to the actual abutment, so that the provisional prosthesis may be provided.

At this time, the virtual fitting hole 501d is set based on the dentition image 5d displayed on the three-dimensional working image 1d and the overlapping area of the virtual placement cylinder 9d, and a predetermined tolerance area It is preferable to set it to include more. That is, the virtual coupling hole 501d is preferably set to extend radially outward from the overlap region.

Then, when the virtual engagement hole 501d is firstly or preliminarily set, a provisional prosthesis in which the engagement holes corresponding to the virtual engagement holes 501d are aligned is prepared (s220 in FIG. 1).

Here, the provisional prosthesis is preferably understood to mean that the joint hole is punctured in the adhesive denture, the artificial abutment and the artificial gum are integrally formed through three-dimensional printing or the like, and the joint hole is formed or punctured . The denture hole guider means a device for guiding the formation of an engaging hole for attaching the supporting cylinder to the adhesive denture or the three-dimensional printed artificial abutment / artificial gingival portion.

That is, the provisional temporary prosthesis is prepared because the insertion hole is formed in the three-dimensional printed artificial abut / artificial gingival section, and the artificial abutment / artificial gingival articulation hole is punctured through the deduction hole guider. . In addition, it can be further encompassed that the bond hole is subsequently punctured in the adhesive denture through the denturehole guider.

Hereinafter, a case of manufacturing a denturehole guider, a case where a denture is punctured with a bonding hole, and a provisional prosthesis in which a coupling hole is integrally formed through three-dimensional printing will be described.

First, a trench hole guide 400 is designed and manufactured based on the primary or preliminary design information of the virtual coupling hole 501d.

In detail, when the virtual fitting hole 501d is preliminarily set, the outer profile is set according to the profile of the inner mold groove of the denture image 5d so as to be aligned and aligned with the mold groove of the denture. At this time, a virtual alignment hole 401d which is superimposed on the extended region of the virtual coupling hole is set.

Here, the inner concave groove profile of the denture image 5d refers to the object arch image 2d displayed in the three-dimensional operation image 1d. In this case, the object arch image 2d is preferably understood to mean the surface shape of the actual object arch based on the surface image 1b and the inner shape of the actual shape joint. That is, the target archery image 2d of the three-dimensional work image 1d may be displayed by being replaced with an image obtained based on the inner surface profile of the mold groove. If the outer profile of the denture hole guider is set according to the surface profile of the target archery image 2d, the outer profile of the denture hole guider may be set to correspond to the denture mold groove profile.

At this time, the virtual alignment hole 401d is design information for forming a physical alignment hole in a denture hole guider manufactured as a real product, which means a three-dimensional image or three-dimensional vector data in the three-dimensional work image 1d. And, the physical alignment hole means an actual tether formed in the physical tenter hole guide to guide the perforation of the denture.

In detail, the outer profile of the denture hole guide is set according to the gingival surface profile of the target archery image 2d displayed on the three-dimensional operation image 1d or the inner surface side concave three-dimensional surface information of the denture image 5d.

When the inner surface profile is set in consideration of the predetermined support thickness from the set outer surface profile, the solid type three-dimensional region information between the outer surface profile and the inner surface profile can be set as the body information of the tenter hole gauge.

That is, the body information means primary design information for setting the external shape of the dentureholster guide so that the denturehole guider 400 has an external profile corresponding to the gum surface profile of the target arch or the internal profile of the mold recess.

6A and 6B, the virtual denture hall guide 400d is set according to the first design information indicating the outline of the denture hole guide and is disposed in the three-dimensional work image 1d.

That is, the virtual denture hole guide 400d is configured to have a three-dimensional surface profile such that the outer profile coincides with the surface profile of the subject arch image 2d, or coincides with the three-dimensional surface information of the inner- Is placed virtually within the working image 1d. The overlapping area of the virtual engagement hole 501d extending along the arrangement direction of the virtual supporting cylinder 9d and the virtual placement hole 40d of the virtual placement hole is aligned with the virtual alignment hole 401d Respectively.

6B and 7A, the body information of the denture hole guide and the area information of the virtual alignment hole are matched and set as design information. Then, the set design information is transmitted to the manufacturing apparatus 30 such as a three-dimensional printer or a cutting processing apparatus so that the denture hole guide 400 can be manufactured. 7A to 7B, the manufactured denture hole guide 400 is aligned and arranged in the inner surface-side groove 502 of the denture 5. At this time, the puncturing position and angle are guided along the alignment hole 401 of the denture hole guider 400 to form the coupling hole 501 in the denture 5.

That is, a corresponding fitting part 402 corresponding to the gum surface profile of the target arch is protruded from the denture hole guider 400, which is formed on one surface of the denture hole guider 400 facing the mold groove 502 of the denture 5. The alignment hole 401 is formed so as to correspond to the preliminarily set virtual engagement hole 501d from the other side toward the one side.

At this time, the corresponding mating portion 402 is protruded to correspond to the three-dimensional surface information of the mold groove 502. Therefore, when the corresponding mating part 402 is in close contact with the mating groove 502, the mating hole 401 is aligned with the predetermined virtual mating hole 501d. Through the drilling process using the alignment holes 401, the coupling holes 501 can be formed at the correct positions and angles in the denture 5. The adhesive denture 5 can be simply converted into the provisional prosthesis 500 fastened to the fixture / abutment through the coupling hole 501 and the support cylinder 9 as shown in Fig.

Meanwhile, the temporary prosthesis 500 may be manufactured through three-dimensional printing.

Specifically, the design information of the temporary prosthesis can be obtained on the basis of the surface profile of the object arch shown on the obtained three-dimensional work image 1d, the occlusion information between the object arch and the confrontation arch.

That is, an artificial gingival section having a mold cavity corresponding to the surface profile of the subject arch is set. In the state where the artificial gingule is attached to the object arch, the artificial tooth portion is set according to the space between the surface of the artificial gingula and the mating surface of the opposed arch, so that the primary design information of the temporary prosthesis can be obtained.

In detail, the inner surface profile of the artificial gingival section is set along the gingival surface profile of the object arch image 2d displayed in the three-dimensional operation image 1d. At this time, on the inner surface side of the artificial gingival section, a mold groove in which the target arch is closely inserted is set. In addition, since the mold groove and the surface of the subject arch are set in close contact with each other, the temporary prosthesis can be stably installed in the subject arch.

When the outer surface profile is set in consideration of the predetermined support thickness from the set inner surface profile, the solid three-dimensional region information between the outer surface profile and the inner surface profile may be set as the design information corresponding to the artificial gum portion.

Also, the height of the artificial abdomen is set according to the height of the artificial gingival suture of the artificial gingiva from the surface of the artificial gum, so that design information corresponding to the artificial abdomen can be obtained. That is, since the image of the confrontation arch (3d) displayed on the three-dimensional work image (1d) is in a state of being arranged at a vertical height suitable for the person to be prosthodontic in a state in which the denture is mounted, the height of the artificial abdomen .

When the primary design information is transmitted to the manufacturing apparatus 30 such as a 3D printer, a provisional prosthesis having an artificial gingival portion and an artificial tooth portion integrally formed can be manufactured. The holes can be perforated.

In addition, the virtual temporary prosthesis may be set according to the primary design information of the temporary prosthesis including the artificial gingival portion and the artificial tooth portion, and the virtual temporary prosthesis may be set in the three-dimensional operation image. At this time, the virtual temporary prosthesis is virtually arranged such that the inner side joint groove coincides with the surface profile of the target arch image 2d.

The virtual fitting holes 501d may be matched and added to the primary design information of the temporary prosthesis according to the overlap area between the virtual provisional prosthesis and the virtual supporting cylinder 9d so that the final design information can be obtained. Then, when the final design information is transmitted to the 3D printer, a temporary prosthesis having an artificial tooth portion and an artificial tooth portion in which a coupling hole is integrally formed may be manufactured.

The virtual engaging portion 403d corresponding to the rim of the denture image 5d is set on the surface of the virtual denturehole guider 400d in which the denture hole guider 400 is arranged at the time of designing. desirable. Here, the virtual engagement portion 403d is design information for forming the engagement portion 403 in the denture hole guide 400 manufactured in the real world. The virtual engagement portion 403d is a three-dimensional image in the three-dimensional operation image 1d or three- .

At this time, the virtual engagement portion 403d is positioned at the edge of the denture image 5d in a state in which the surface profile of the virtual denture hole guide 400d is aligned with the surface profile of the subject arch image 2d And is projected and set so as to be collapsed and supported. Therefore, the set virtual latching unit 403d, body information, set virtual alignment holes, and the like can be combined and used as the design information of the dentition hole guider.

The denture hole guide 400 manufactured on the basis of the design information may be integrally formed with a latching part 403 for supporting the rim of the denture 5 along the rim of the corresponding mating part 402. Accordingly, the flange 503 of the denture 5 is engaged with the engaging portion 403 when the denture hole guide 400 and the denture 5 are coupled. As a result, the aligning hole 401 can be inductively arranged to correspond to the preliminarily set virtual engaging hole 501d, so that the engaging hole 501 is formed in the engaging hole 501 Processing convenience and precision can be improved.

FIG. 8 is a bottom view of a provisional prosthesis in which a coupling hole is corrected through a digital prosthesis manufacturing method according to an embodiment of the present invention. FIGS. 9A and 9B show a digital prosthesis manufacturing method according to an embodiment of the present invention FIG. 2 is a view illustrating an example of acquiring a corrected surface image in FIG. 10A to 10C are views illustrating a design process of a digital prosthesis using an inverted displayed corrected surface image in the digital prosthesis manufacturing method according to an embodiment of the present invention. Fig. 3 is an exploded perspective view showing a digital prosthesis manufactured through a digital prosthesis manufacturing method; Fig.

Hereinafter, a process for manufacturing the final digital prosthesis using the temporary prosthesis 500 in which the coupling hole is corrected to the correct position will be described.

Referring to FIG. 8, the supporting cylinder 9 is aligned and engaged with the coupling hole 501 of the temporary prosthesis 500. The combined supporting cylinder 9 is fastened to an abutment coupled to a fixture mounted on the target arch, so that the temporary prosthesis 500 can be installed in the target arch. Accordingly, since the temporary prosthesis 500 can be used during the manufacturing period of the final digital prosthesis 300, the continuous coping ability can be secured without deteriorating the appearance, so that the inconvenience of daily life can be minimized.

At this time, the coupling hole 501 is corrected according to a positional deviation between the fixture mounted on the target arch and the support cylinder 9 at a substantial installation position of the temporary prosthesis 500. Thus, the lower end portion of the support cylinder 9 coupled to the corrected coupling hole at the correct position functions as a coupling region. Here, it is preferable that the coupling region is an area exposed to the outside of the gum including a margin portion of the abutment coupled to the fixture.

In detail, since the preset virtual coupling grooves are set to include a predetermined tolerance area, the same tolerance area is formed in the coupling holes of the temporary prosthesis processed along the virtual coupling grooves. At this time, a supporting cylinder 9 provided in a fixture / abutment provided in the target arch in a state where the gums of the target arch are engaged with the mold groove 502 of the temporary prosthesis 500, 500 can be filled with the auxiliary working material (r). Here, the auxiliary processing material (r) is made of resin or the like, and the coupling hole (501) can be corrected.

Accordingly, the engaging end of the supporting cylinder 9 can be accurately aligned and arranged at the abutment position coupled to the fixture placed in the target arch. That is, the engagement end of the support cylinder 9 can be used as a joining region for precise resetting of the virtual engagement groove in a subsequent process. Of course, when the provisional prosthesis does not include the supporting cylinder and the inner circumferential surface has the coupling hole applied only with the resin, the lower end of the resin coupling hole can be used as the coupling region. That is, the coupling region is arranged and arranged based on the placement information including the placement position of the fixture and the shape and position of the abutment coupled to the fixture.

In detail, the abutment is formed with a margin portion, which is a conical projection, at one end of the abutment, and a corresponding marginal groove 91 corresponding to or cooperating with the margin portion is formed at an engagement end of the support cylinder 9. An auxiliary scan image is obtained along the inner surface type joint groove 502 of the provisional prosthesis 500 to which the support cylinder 9 having the corresponding marginal groove 91 aligned. The auxiliary scan image is obtained through an ORAL scanner or the like, and the corresponding margin groove 91 functions as a coupling area.

9A, the auxiliary scan image 1f of the provisional prosthesis is obtained by scanning the entire outer surface of the temporary prosthesis using a scanner, and a joint image 502a is formed on the inner surface of the artificial abdomen and artificial gum, . At this time, in the mold joint image 502a, the corresponding margin-side corresponding margin groove image 91a of the support cylinder is concave.

Here, the image 91a of the corresponding marginal groove serves as a joining area as a reference for setting the position and shape of the virtual joining groove for manufacturing the final digital prosthesis. That is, the coupling region may be formed corresponding to the appearance profile of the abutment coupled to the fixture. At this time, the auxiliary scan image 1f of the temporary prosthesis can be obtained in a state of being separated from the target arch, and can be obtained to show the overall three-dimensional surface shape of the artificial abdomen and artificial gingival section.

Then, in the auxiliary scan image (1f), a corrected surface image (1e) for the three-dimensional surface information of the inner joint of the temporary prosthesis including the coupling region is obtained (230 in FIG. 1).

Here, the corrected surface image (1e) is first set on the basis of the boundary area (x) selected along the outer side of the mold groove in the three-dimensional surface information of the temporary prosthesis. At this time, the merging area m includes three-dimensional surface information of the mold joint image 502a and the corresponding margin home image 91a, that is, three-dimensional surface information of the coupling area.

When the three-dimensional surface information of the provisional prosthesis excluding the fusion region m is canceled, the inner surface information of the fusion region m including the coupling region is exposed to obtain the corrected surface image 1e ≪ / RTI >

In detail, the three-dimensional surface information of the temporary prosthesis is stored by mutually connecting a plurality of points having predetermined coordinate values corresponding to the outer surface information of the temporary prosthesis included in the auxiliary scan image 1f.

For example, the three-dimensional surface information of the temporary prosthesis can be stored in a STL file (StereoLithography file), and is set to have a triangular surface by a plurality of points and a line connecting them according to the outer shape of the temporary prosthesis. Therefore, the auxiliary scan image 1f of the temporary prosthesis can be stored as a three-dimensional surface model whose interior is substantially hollow.

Here, the three-dimensional surface information of the temporary prosthesis includes three-dimensional surface information about an outer surface of an artificial abdomen whose surface is substantially convexly displayed, and an outer surface of an artificial gum that is convexly displayed to surround the lower end of the artificial abdomen . And includes the mold joint image 502a and the corresponding margin home image 91a which are concave on the inner surface side of the artificial gum portion.

At this time, if the boundary region is set along the outer edge of the mold joint image 502a, the outer profile of the artificial gum and the artificial cavities region are set as the erasure region (d). Then, while the erased area (d) is deleted, the inner surface side surface information of the merged area (m) can be exposed to the outside. Here, the outer frame of the mold cavity image 502a is preferably understood as a boundary line between the mold cavity image 502a and the outer surface of the artificial gum body.

At this time, since the three-dimensional surface information of the temporary prosthesis is stored as surface information having substantially no thickness, the coordinate values for the inner surface side profile and the outer surface side profile of the fusion region m are the same. Thus, the corrected surface image 1e for the three-dimensional surface information of the mold joint image 502e and the corresponding margin image 91e, from which the erased area d has been removed, can be obtained.

That is, the present invention can obtain three-dimensional surface information about the mold recess and the joint region by a simple method of scanning the temporary prosthesis and deleting unnecessary portions from the obtained image. Accordingly, the design information corresponding to the target arch and the engagement area can be clearly exposed and obtained. At this time, since the three-dimensional surface information of the mold recess and the engagement region substantially matches the contour profile of the object jaw and the abutment bonded thereto, the installation precision of the digital prosthesis designed and manufactured based thereon is remarkably improved .

Referring to FIG. 10A, the corrected surface image 1e for the exposed three-dimensional surface information of the inwardly projecting annular image 502e of the temporary prosthesis from the auxiliary scan image 1f through the planning unit 20, (S240 in FIG. 1).

Here, the corrected surface image 1e includes the three-dimensional surface information of the exposed mold joint image 502e and the exposed three-dimensional surface information of the coupled area image 91e after the erasure area (d in FIG. 9B) Is displayed. In this case, the three-dimensional surface information of the coupling area image 91e is preferably understood to correspond to the three-dimensional surface information of the outwardly exposed image of the inner surface side of the corresponding margin groove formed at the coupling end of the supporting cylinder.

The virtual abutment 800d extracted from the digital library is arranged so as to compensate for the three-dimensional surface information of the exposed combined area image 91e.

Specifically, the digital library means a database including digital appearance information corresponding to a plurality of physical abutments. Here, the digital library storage unit stores a plurality of digital outline information corresponding to linear standard abutments and bending type multi abutments of various standards. Therefore, the digital contour information of the virtual abutment 800d replacing the exposed joint area image 91e is extracted from the digital library in accordance with the angle of the fixture and the shape information of the shape of the fixture .

Then, a matching reference point is set and input to a corresponding portion of the margin portion of the virtual abutment 800d and the exposed bonding region image 91e. At this time, the registration reference point input to the three-dimensional surface information of the exposed bond region image 91e may be automatically set or manually entered as an image distortion or a damaged portion. In addition, the marginal side registration reference point of the virtual abutment 800d may be automatically set or manually entered at a position corresponding to the entered registration reference point set in the three-dimensional surface information of the exposed combined area image 91e .

The virtual abutment 800d is arranged such that the matching reference points of the respective objects are overlapped with each other. Accordingly, any distortion or damage that may occur in the needle, foreign matter, or scanning process is removed, and the surface shape of the margin portion of the abutment installed in the subject arch can be accurately displayed in the three-dimensional working image 1d.

On the other hand, referring to FIG. 10B, the surface image 1b of the matched object arch is replaced with the corrected surface image 1e to be matched to the surface information of the object arch in the three-dimensional work image 1d , The three-dimensional working image 1d is reacquired. At this time, the surface information corresponding to the target arch is alternatively displayed through the three-dimensional surface information of the exposed mold joint image 502e, and the surface information corresponding to the margin portion of the abutment through the virtual abutment 800d Surface information can be displayed alternately.

That is, the reacquired three-dimensional work image 1d includes an opposed arch image 3d disposed at a vertical diameter suitable for a subject to be prosthled from the target arch and an image of the target arch to replace the image of the target arch, And includes the corrected surface image 1e. At this time, in the corrected surface image 1e, a virtual abutment 800d that accurately indicates the position and the shape of the margin portion of the abutment within the surface profile of the subject arch and the three-dimensional surface information of the exposed mold- ) Is displayed.

On the other hand, referring to FIG. 10C, the inner surface profile is set according to the three-dimensional surface information of the exposed mold joint image 502e. Then, a virtual digital prosthesis 300d in which a virtual coupling groove 501e corresponding to the replaced virtual abutment 800d is set and formed is designed and manufactured (s250 in FIG. 1).

Here, the virtual defect groove 501e may be formed based on the three-dimensional surface information of the exposed bond region image 91e. However, when the virtual defect groove 501e is formed corresponding to the replaced virtual region 800d, Lt; / RTI >

At this time, the imaginary coupling groove 501e is set to have a margin shape conforming to the abutment without a separate tolerance region. For example, if a hexagonal or polygonal cutting portion for angular alignment is formed on the outer surface of the margin portion of the abutment, the virtual engaging groove 501e is formed in a shape that matches with the cutting portion.

It is preferable that a through hole is formed in the upper portion of the digital prosthesis 300 where the virtual coupling groove 501e is formed so that the through hole into which the screw fastened with the abutment to be fitted inside the virtual coupling groove 501e is formed Do. Here, the screw serves to combine the final digital prosthesis with the abutment.

This makes it possible to accurately design the positional relationship between the real fixture installed in the target arch of the subject of prosthesis, the real abutment fastened to the real fixture, and the real digital prosthesis. The imaginary coupling groove is precisely designed so that the calculated position of the physical digital prosthesis is accurately reflected and the installation position / angle of the digital prosthesis according to the position / angle of the actual fixture / abutment installed in the target arch is precisely matched .

In other words, unlike the conventional case where the position of the coupling groove is determined through the experience of the practitioner or the like, the present invention eliminates the delay process due to the extended cutting of the coupling groove or the additional correction of the resin overhang, Do. In addition, since the damage of the joint groove due to separation or breakage of the overlocked resin or the separation of the prosthesis can be prevented, it is possible to provide a rigid installation, and the installation convenience and durability of the product can be improved.

On the other hand, the inner surface profile of the artificial gingival section is set so as to correspond to the three-dimensional surface information of the exposed mold joint image 502e displayed in the three-dimensional work image 1d. When the outer surface profile is set in consideration of the predetermined support thickness from the set inner surface profile, the solid three-dimensional region information between the outer surface profile and the inner surface profile may be set as the design information corresponding to the artificial gum portion.

Also, the height of the artificial abdomen is set according to the height of the artificial gingival suture of the artificial gingiva from the surface of the artificial gum, so that design information corresponding to the artificial abdomen can be obtained. At this time, the virtual digital prosthesis 300d may be set according to the primary design information of the digital prosthesis including the artificial gingival portion and the artificial tooth portion, and the virtual prosthesis 300d may be set in the three-dimensional operation image 1d. Of course, it is preferable that the virtual digital prosthesis 300d is understood to mean three-dimensional vector data representing the design information or a three-dimensional image corresponding to the vector data.

At this time, the virtual digital prosthesis 300d is disposed in the three-dimensional working image 1d so that the inner-side mold groove matches the three-dimensional surface information of the exposed mold-groove image 502e.

The virtual coupling groove 501e may be matched with the design information of the virtual digital prosthesis according to the overlapping area between the virtual digital prosthesis 300d and the virtual abutment 800d. That is, the design information corresponding to the set artificial gum, the artificial abdomen, and the virtual engagement groove may be summed up to obtain the final design information of the digital prosthesis.

Accordingly, the virtual engagement groove 501e can be precisely designed accurately reflecting the actual placement / installation position of the fixture / abutment / support cylinder installed in the target arch, and the engagement groove of the digital prosthesis can be precisely formed .

In addition, the virtual coupling groove 501e displayed in the re-acquired three-dimensional working image 1d is set based on the virtual abutment 800d extracted from the digital library and replaced. Thus, the accuracy of matching with the fixture / abutment provided in the target arch can be significantly improved. In other words, when orthoscopic scanning using an oral scanner is performed, distortions due to oral saliva such as vibrations / tremors and saliva due to movement of the head or tongue of a subject to be prosthodontacted are eliminated, thereby enabling accurate image acquisition.

11, the final design information of the obtained digital prosthesis is transferred to the manufacturing apparatus 30 to produce a physical final digital prosthesis 300. [ Here, the digital prosthesis 300 can be used as a means to securely fix the denture to the gums, replacing conventional dentures.

At this time, the digital prosthesis 300 includes a denture frame 302 and a crown bridge 301. Further, it is preferable that a cover portion 350 such as a ceramic material is matched with the color of the gums at the lower portion thereof so that the denture frame 302 made of a metal is not visually exposed. Of course, instead of providing the cover part 350 separately, an extension corresponding to the color of the gum may be formed in the lower part of the denture frame 302 and post-processed.

In detail, the denture frame 302 may be formed of a ceramic or a metal material having high strength and biocompatibility as a portion corresponding to the artificial gingiva. A plurality of support protrusions 302b are formed on one side of the denture frame 302 and the other side of the crown bridge 301 is coupled to the other side. In the mold recess, a coupling groove 302a is formed at a position matching the virtual coupling groove 501e described above.

The crown bridge 301 is formed of a ceramic or metal material having high strength and biocompatibility at a portion corresponding to the artificial abdomen. The crown bridge 301 has a supporting groove 301a into which the supporting protrusion 302b is inserted, .

At this time, although the digital prosthesis 300 can be manufactured by a three-dimensional printer, it is more preferable that the digital prosthesis 300 is manufactured by a milling and cutting device for high precision processing without restriction of a workpiece. Thereby, an artificial prosthesis having high machining accuracy and durability can be provided.

As described above, the digital prosthesis can be designed and manufactured with simple and high precision using a three-dimensional work image, unlike the conventional technique of acquiring actual impressions such as fixtures and impression copings installed in a target arch. Also, since the design information of the digital prosthesis can be easily stored and managed as the three-dimensional vector data, the manufacturing convenience can be improved because it is possible to easily manufacture the prosthesis using the design information of the digital prosthesis stored in case of damage or loss.

Further, since the imaginary supporting cylinder is virtually disposed on the basis of the corrected supporting cylinder image through the actual installation procedure of the provisional prosthesis, the virtual coupling groove is set with very high accuracy, so that the actual fixture / A digital prosthesis having a fixing groove to be fixed can be manufactured.

As described above, the present invention is not limited to the above-described embodiments, and variations and modifications may be made by those skilled in the art without departing from the scope of the present invention. And such modifications are within the scope of the present invention.

100: Digital prosthesis manufacturing system 10: Imaging device
10: Planning part 30: Manufacturing device
300: Digital Prostheses 400: Den Gehall Hall Gider
500: Temporary prosthesis

Claims (10)

A three-dimensional operation image is displayed through a planning unit for designing a digital prosthesis, in which occlusion information of an object arch of a subject to be prosthesis, and information on the placement of a fixture to be placed on the object arch is obtained, A first step of preparing a provisional prosthesis in which a coupling region formed corresponding to a margin portion profile of the abutment is aligned and arranged;
A second step of obtaining an auxiliary scan image for the temporary prosthesis through an imaging device;
A third step of acquiring a corrected surface image for the three-dimensional surface information of the inner mold cavity of the temporary prosthesis including the coupling region in the auxiliary scan image through the planning unit; And
The final design information of the digital prosthesis in which the virtual coupling grooves corresponding to the positions and the shapes of the three-dimensional surface information of the coupling region are matched and obtained in the inner surface profile set according to the three-dimensional surface information of the mold groove is transmitted to the manufacturing apparatus A fourth step wherein the final digital prosthesis is fabricated,
Wherein the third step comprises the steps of setting a merging region section based on a boundary region selected and input along the outer side of the mold groove in the three-dimensional surface information of the temporary prosthesis included in the auxiliary scan image, The three-dimensional surface information of the provisional prosthesis is erased so that the inner surface side surface information of the merging area including the combining area is exposed and obtained as a corrected surface image,
In the first step, the provisional prosthesis may be formed by puncturing a joint hole in a denture mounted on an object arch of the subject, or design information of a temporary prosthesis obtained on the basis of the three-dimensional operation image, Wherein the prepreg is prepared as one of the printed holes and the coupling holes are integrally formed. delete The method according to claim 1,
Wherein a plurality of points having a predetermined coordinate value corresponding to the external information of the provisional prosthesis included in the auxiliary scan image are interconnected and stored as the three-dimensional surface information. The method according to claim 1,
In the third step, a virtual abutment extracted from the digital library corresponding to the abutment is arranged so as to correspond to the exposed surface information of the coupling region, and the outer region of the virtual arranged virtual abutment Wherein the exposed surface information of the coupling region is alternatively corrected. ≪ RTI ID = 0.0 > 31. < / RTI > 5. The method of claim 4,
The fourth step includes a step of virtually arranging a virtual digital prosthesis in which the artificial tooth portion and the artificial tooth portion are set based on the three-dimensional operation image in which the corrected surface image is alternately matched,
Wherein the digital prosthesis is designed by matching the virtual digital prosthesis and the virtual coupling groove according to the overlapping area between the virtual digital prosthesis and the virtual abutment. A three-dimensional operation image is displayed through a planning unit for designing a digital prosthesis, in which occlusion information of an object arch of a subject to be prosthesis, and information on the placement of a fixture to be placed on the object arch is obtained, A first step of preparing a provisional prosthesis in which the engagement ends of the support cylinders are arranged so as to correspond to the margin portion profile of the abutment;
A second step of obtaining an auxiliary scan image for the temporary prosthesis through an imaging device;
A corrected surface image is acquired for the three-dimensional surface information of the inner mold cavity of the temporary prosthesis including the support cylinder in the auxiliary scan image through the planning section, and the virtual surface image extracted from the digital library corresponding to the abutment A third step in which the three-dimensional surface information of the support cylinder coupling end is alternately corrected by the abutment; And
The final design information of the digital prosthesis in which the virtual coupling grooves are matched and acquired in correspondence with the position and shape of the virtual abutment in the inner surface profile set in accordance with the three-dimensional surface information of the mold groove is transmitted to the manufacturing apparatus, And a fourth step in which the second electrode is manufactured,
Wherein the third step comprises the steps of setting a merging region section based on a boundary region selected and input along the outer side of the mold groove in the three-dimensional surface information of the temporary prosthesis included in the auxiliary scan image, Wherein the three-dimensional surface information of the temporary prosthesis is erased and information on the inner surface side of the coupling region including the coupling region of the supporting cylinder is exposed and acquired as a corrected surface image. An imaging device for picking up an auxiliary prosthesis in which a coupling region formed so as to correspond to an abutment coupled to a fixture to be placed on a subject arch of a subject to be prosthodontic is arranged and arranged to obtain an auxiliary scan image;
Dimensional space information of the temporal prosthesis excluding the combined area, the three-dimensional surface information of the temporary prosthesis excluding the combined area is set based on the boundary area selected and input along the outer side of the mold- Wherein the inner surface profile is set in accordance with the three-dimensional surface information of the mold groove, and the inner surface profile of the coupling region is set in the inner surface profile, A planner for designing a digital prosthesis by setting a virtual coupling groove corresponding to a position and a shape of the dimensional surface information; And
And a manufacturing apparatus for manufacturing the designed digital prosthesis. 8. The method of claim 7,
Further comprising a digital library storage unit including a profile for each type of abutment coupled to the fixture,
Wherein the planar unit corrects the three-dimensional surface information of the coupling region by extracting and substituting the virtual abutment extracted from the digital library with the virtual arrangement, and setting a virtual coupling groove corresponding to the substitute corrected virtual abutment, A digital prosthetic manufacturing system. 1. A method for manufacturing a dentifrice hole guider for forming a coupling hole in which a support cylinder is mounted on a denture mounted on a target arch of an object to be prosthesis,
Dimensional work image in which the denture and the fixation object information of the object to be prosthodontic and the fixture information of the fixture to be placed in the object arch are displayed is obtained through the planning section performing the design of the denture hole guide, step;
A second step of setting a virtual engagement hole to correspond to the placement information of the fixture; And
A virtual alignment hole in which an outer surface profile is set according to three-dimensional surface information of an inner surface type groove of the denture image indicative of surface shape information of the denture, and which is superimposed and aligned with an extension region of the virtual engagement hole is set, Wherein the design information is transmitted to the manufacturing apparatus through the planing unit to manufacture a denturehole guider. In order to form a coupling hole in which the support cylinder is installed in the denture fitted to the subject arch of the subject to be prosthodontic,
A corresponding mating portion formed on one surface of the mold so as to be inserted into the mold groove of the denture so as to correspond to three-dimensional surface information of the mold groove; And
Wherein the alignment holes are formed through the corresponding mating portions so that the positions and angles of the mating holes of the denture are guided and are aligned so as to be superimposed on the extended regions of the virtual engagement grooves set in accordance with the fixture placement information indicated in the three- Included DENCHHOLE GUIDER.

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