CN118402880A - Bionic lingual correction retainer and manufacturing method thereof - Google Patents
Bionic lingual correction retainer and manufacturing method thereof Download PDFInfo
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- CN118402880A CN118402880A CN202410818007.8A CN202410818007A CN118402880A CN 118402880 A CN118402880 A CN 118402880A CN 202410818007 A CN202410818007 A CN 202410818007A CN 118402880 A CN118402880 A CN 118402880A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 21
- 239000011664 nicotinic acid Substances 0.000 title claims abstract description 17
- 238000012937 correction Methods 0.000 title abstract description 7
- 210000000214 mouth Anatomy 0.000 claims abstract description 16
- 239000000853 adhesive Substances 0.000 claims abstract description 13
- 230000001070 adhesive effect Effects 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims description 10
- 238000013461 design Methods 0.000 claims description 8
- 210000004283 incisor Anatomy 0.000 claims description 7
- 230000004888 barrier function Effects 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 claims description 6
- 238000010146 3D printing Methods 0.000 claims description 5
- 210000004195 gingiva Anatomy 0.000 claims description 3
- 238000005498 polishing Methods 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 3
- 238000012795 verification Methods 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 2
- 238000000465 moulding Methods 0.000 claims 1
- 230000035807 sensation Effects 0.000 abstract description 6
- 230000014759 maintenance of location Effects 0.000 abstract description 4
- 210000001847 jaw Anatomy 0.000 description 6
- 238000007639 printing Methods 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 230000036346 tooth eruption Effects 0.000 description 4
- 210000004513 dentition Anatomy 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 229910000684 Cobalt-chrome Inorganic materials 0.000 description 2
- 229910001069 Ti alloy Inorganic materials 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- WAIPAZQMEIHHTJ-UHFFFAOYSA-N [Cr].[Co] Chemical compound [Cr].[Co] WAIPAZQMEIHHTJ-UHFFFAOYSA-N 0.000 description 2
- 230000004075 alteration Effects 0.000 description 2
- 239000010952 cobalt-chrome Substances 0.000 description 2
- 210000003464 cuspid Anatomy 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 210000004373 mandible Anatomy 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 238000005488 sandblasting Methods 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001055 chewing effect Effects 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007087 memory ability Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- 210000003781 tooth socket Anatomy 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C7/00—Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
- A61C7/12—Brackets; Arch wires; Combinations thereof; Accessories therefor
- A61C7/14—Brackets; Fixing brackets to teeth
- A61C7/145—Lingual brackets
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C7/00—Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
- A61C7/12—Brackets; Arch wires; Combinations thereof; Accessories therefor
- A61C7/14—Brackets; Fixing brackets to teeth
- A61C7/16—Brackets; Fixing brackets to teeth specially adapted to be cemented to teeth
Landscapes
- Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Dentistry (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
The invention relates to the technical field of orthodontics, and particularly discloses a bionic lingual correction retainer and a manufacturing method thereof; on the other hand, the bonding area is arranged on the retainer main body corresponding to each natural tooth, and the contact is arranged in the bonding area, so that the adhesive can be prevented from overflowing, the high-quality bonding appearance is ensured, and the workload of subsequent adhesive removal is reduced; the bonding area can be increased, the mechanical retention force is improved, and the retainer main body is prevented from falling off; and on the premise of ensuring the strength of the retainer main body, the retainer main body is light and thin, so that the foreign body sensation on the lingual side of the oral cavity of a user can be reduced, and the user experience is improved.
Description
Technical Field
The invention relates to the technical field of tooth correction, in particular to a bionic lingual correction retainer and a manufacturing method thereof.
Background
In the orthodontic treatment, in order to provide an anchorage for a specific orthodontic device, so that a specific tooth position is not affected by the orthodontic treatment and is shifted in the orthodontic treatment, a retainer is required to be installed in the oral cavity to maintain the corresponding tooth position, so as to ensure sufficient anchorage and ensure that normal natural teeth are not affected by the orthodontic treatment.
In the existing retainer installation process, some of the retainers provide anchorage for an orthodontic device through an arch wire, wherein the arch wire is required to be bent on the side of a natural tooth tongue, and then the arch wire is wrapped and bonded on the side of the natural tooth tongue through resin; however, in such a retainer mounting, the wire has a limited holding force and is easily deformed due to the weak rigidity; in addition, the resin is wrapped and adhered with the arch wire, so that the arch wire has large convexity, and the foreign body sensation on the tongue side of a user is very strong, so that the arch wire is difficult to adapt.
Also, the lingual side of the plurality of natural teeth is adhered with brackets, and the plurality of brackets are connected through the archwire, but the holding force provided by the appliance installed in the way is limited by the strength of the archwire, and the difficulty of bracket adhesion is increased by the smooth surface of the teeth, and even the brackets fall off.
Disclosure of Invention
The invention provides a bionic lingual appliance holder and a manufacturing method thereof, aiming at solving the problems in the prior art, reducing foreign body sensation in the oral cavity of a user and improving the supporting force of the holder.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the manufacturing method of the bionic lingual appliance holder comprises the following steps: s1, generating a retainer main body model according to the lingual profile of a user in three-dimensional modeling software; s2, corresponding to each natural tooth, arranging a plurality of bonding areas on the retainer main body model; s3, a plurality of contacts are discretely arranged in each bonding area; s4, outputting a retainer main body model, and integrally forming and manufacturing the retainer main body; and S5, polishing the retainer main body.
Further, S11 is included in S1, error verification is conducted on the theoretical model, n teeth of a user are selected as references, distances between every two teeth are measured in the theoretical model and an actual oral cavity respectively, the distances are recorded as L1 … Ln and D1 … Dn respectively, and the requirements of |Ln-Dn| are met and are less than or equal to 0.05mm.
Further, S12 is further included in S1, and design parameters are set, where the design parameters include: edge range lines, including a jaw-proximal square edge line and a gum square edge line, connecting the jaw-proximal square edge line and the gum square edge line into a closed pattern, thereby forming edge range lines; covering surfaces, which are generated along with the lingual profile of the natural tooth in the edge range line; a displacement amount, namely translating the coverage surface towards a direction away from the natural teeth by a fixed displacement amount t; the thickness, with the edge-range line as the outer contour, extends the cover surface in a direction away from the natural tooth to produce a retainer body model of thickness T.
Further, for the near jaw square edge line, in the mandible, drawing to 0.5-2mm below the incisal and jaw edges; in the upper jaw, drawing to 0.5-1mm below the jaw contact area; for the square margin line of the gingiva, generating according to the cervical margin of the natural tooth; wherein T is more than or equal to 0.5mm and less than or equal to 0.7mm, and T is inversely proportional to the height h of the natural teeth; wherein t=0.05 mm.
Further, in S2, the edge line of each natural tooth is deviated from 0.5 to 1mm inward on the holder body model and extended by a fixed depth in the thickness direction of the holder body model, thereby forming an adhesive region; in S3, marking a plurality of cylindrical marks with the diameter of 1-2mm in each bonding area, and removing the components except the cylindrical marks in the bonding areas so as to form a plurality of contacts; and the gap between two adjacent cylindrical marks is ensured to be 0.5-2mm according to the area of the bonding area.
Further, the bonding area is divided into a first area above the horizontal plane and a second area below the horizontal plane along the height direction of the natural teeth; in S2, the first region and the second region are symmetrically deviated by 30 ° toward a direction away from the natural tooth, and are recessed into the holder body by a fixed depth, the fixed depth=the holder body model thickness-0.3 mm; thereby forming a contact that is inclined horizontally upwards in the first region and a contact that is inclined horizontally downwards in the second region.
Further, in S4, the bonding area of the holder body model is placed downward, slicing is performed with a thickness of 0.025mm-0.06mm, and a slice file is generated, and integrally formed through 3D printing; the first connecting rods are transversely arranged at two ends of the retainer main body model, the second connecting rods can be vertically arranged on the middle incisors, and the second connecting rods extend towards the first connecting rods; and a forming bottom plate is additionally arranged on one side of the bonding area of the retainer main body model and used for bearing the retainer main body model, and a cross support is additionally arranged between the retainer main body model and the forming bottom plate.
Further, be provided with the fender that encloses of a plurality of intercommunication bonding region along bonding region's edge, enclose the degree of depth that keeps off and be 0.1mm, every encloses fender interval 1mm setting to this forms a plurality of breach along bonding region's edge.
Further, in S5, it is necessary to cut off the supporting member on the holder body, polish the cut surface smoothly at the supporting point, polish the edge of the cut surface of the holder body obliquely to be thin, form a 150 ° transition between the holder body and the natural tooth, and finally polish the cut surface.
The bionic lingual correction retainer is manufactured by a manufacturing method of the bionic lingual correction retainer.
The beneficial effects of the invention are as follows: in the present invention, in one aspect, the holder body is integrally formed, and the holder body has sufficient strength to provide sufficient anchorage; on the other hand, the bonding area is arranged on the retainer main body corresponding to each natural tooth, and the contact is arranged in the bonding area, so that the adhesive can be prevented from overflowing, the high-quality bonding appearance is ensured, and the workload of subsequent adhesive removal is reduced; the bonding area can be increased, the mechanical retention force is improved, and the retainer main body is prevented from falling off; and on the premise of ensuring the strength of the retainer main body, the thickness of the retainer main body can be maintained between 0.5mm and 0.7mm, the whole retainer main body is light and thin, the foreign body sensation on the lingual side of the oral cavity of a user can be reduced, and the user experience is improved.
Drawings
FIG. 1 is a schematic drawing of an edge range line provided by an embodiment of the present application;
FIG. 2 is a schematic diagram of a retainer body model generation provided by an embodiment of the present application;
FIG. 3 is a schematic view of a retainer body model with a towing hook according to an embodiment of the present application;
FIG. 4 is a schematic diagram of a first area marked with a cylindrical mark according to an embodiment of the present application;
Fig. 5 is a schematic view of an adhesion area according to an embodiment of the present application.
Detailed Description
In order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.
Referring to fig. 1 and 2, the method for manufacturing the bionic lingual appliance holder according to the embodiment of the invention includes the following steps: s1, generating a retainer main body model according to the lingual profile of a user in three-dimensional modeling software; s2, corresponding to each natural tooth, arranging a plurality of bonding areas on the retainer main body model; s3, a plurality of contacts are discretely arranged in each bonding area; s4, outputting a retainer main body model, and integrally forming and manufacturing the retainer main body; and S5, polishing the retainer main body.
It should be noted that in S1, the oral cavity theoretical model of the user may be obtained by an intraoral scanner, where the oral cavity theoretical model includes at least the complete upper and lower dentitions in the oral cavity of the user, and the obtained oral cavity theoretical model is imported into three-dimensional modeling software (may be a solidworks).
Specifically, S11 is further included in S1, error verification is conducted on the theoretical model, n teeth of a user are selected as references, distances between every two teeth are measured in the theoretical model and an actual oral cavity respectively, the distances are recorded as L1 … Ln and D1 … Dn respectively, and the requirements of |Ln-Dn| are met and are less than or equal to 0.05mm.
Preferably, in S11, n=3, selecting one central incisor of the user and two cuspids respectively located at two sides of the central incisor as references; on the one hand, in an actual oral cavity, a worker measures the distance between the middle cutting teeth and the middle point of the cutting end of the cuspid tooth through a vernier caliper and records the distance; on the other hand, in the three-dimensional modeling software, the staff measures and records the distance between the middle incisors and the middle points of the incisors; and comparing the two groups of data until the tolerance is met, and then entering the next step, reserving bonding precision for actual bonding of the later-stage retainer body, and ensuring that the retainer body is bonded without influencing the positioning and retaining effects of the retainer body; otherwise, returning to the previous step.
With continued reference to fig. 1, S12 is further included in S1, and design parameters are set, where the design parameters include: edge range lines, including a jaw-proximal square edge line and a gum square edge line, connecting the jaw-proximal square edge line and the gum square edge line into a closed pattern, thereby forming edge range lines; covering surfaces, which are generated along with the lingual profile of the natural tooth in the edge range line; a displacement amount, namely translating the coverage surface towards a direction away from the natural teeth by a fixed displacement amount t; the thickness, with the edge-range line as the outer contour, extends the cover surface in a direction away from the natural tooth to produce a retainer body model of thickness T.
It will be appreciated that in the present invention, the coverage is created with the lingual profile of the natural teeth, with adjacent natural teeth joined by contact areas to form an integral coverage, the coverage directly covering the undercut areas in the dentition.
It is worth mentioning that in the anterior tooth region, the undercut region is not obvious and the cover surface can enter the gap between the natural teeth; in the posterior tooth region, the cover surface can enter into the obvious undercut region; before bonding, the retainer body can be embedded into the dentition, so that a worker can position and install the retainer body in the oral cavity of the user; through this design, the outward surface of natural tooth can be directly wrapped up in, laminating to the cover, promotes user's experience sense and the installation intensity of keeping the ware main part, promotes the anchorage that keeps the ware main part can provide.
With continued reference to FIG. 2, in a specific design and manufacture, for the near jaw square edge line, in the mandible, drawing 0.5-2mm below the incisal and jaw edges; in the upper jaw, drawing to 0.5-1mm below the jaw contact area; for the square margin line of the gingiva, it is generated according to the cervical margin of the natural tooth.
Preferably, T is more than or equal to 0.5mm and less than or equal to 0.7mm, and T is inversely proportional to the height h of the natural teeth; when h increases, T decreases; h decreases and T increases.
Preferably, t=0.05 mm, a compensation is reserved for the actual manufacturing of the post-retainer body.
Referring to fig. 3, a traction hook may be integrally formed on the holder model body, preferably, the traction hook is a hook-shaped curved rod with a diameter of 1mm, the middle of the curved rod is connected with the holder body, and the curved rod is bent back to the middle of the middle to form a hook, and can be bent upwards, downwards, bent to the buccal side and bent to the lingual side, and the traction hook is designed according to the traction requirement of a doctor.
For example, if the distal tooth is to be pulled to move toward the mesial, the mesial of the curved bar is connected to the retainer, and the connection site is selected according to the need of the orthodontic force, preferably on the lingual side of a natural tooth site. The curved bar is bent into a hook from far to near, and can be bent upwards, downwards or towards the tooth surface, preferably without being bent towards the lingual side (avoiding the increase of foreign body sensation in the oral cavity of the user), and the tip of the curved bar is slightly bent towards the tooth surface to improve the comfort level of the user.
Referring to fig. 4 and 5, in S2, the edge line of each natural tooth is deviated from the holder body model inward by 0.5-1mm and extended by a fixed depth in the thickness direction of the holder body model, thereby forming an adhesive region; in S3, marking a plurality of cylindrical marks with the diameter of 1-2mm in each bonding area, and removing the components except the cylindrical marks in the bonding areas so as to form a plurality of contacts; and the gap between two adjacent cylindrical marks is ensured to be 0.5-2mm according to the area of the bonding area.
In the invention, the bonding area with a certain area is correspondingly arranged on the retainer main body for each natural tooth, so that the bonding installation strength of the retainer main body can be ensured; and a plurality of contacts are arranged in the bonding area in a staggered manner, the contacts are positioned in the retainer main body, the contacts can be attached with adhesive, and the bonding strength of the retainer main body is improved.
With continued reference to fig. 4 and 5, the bonding area is divided into a first area above the horizontal plane and a second area below the horizontal plane along the height direction of the natural tooth; in S2, the first region and the second region are symmetrically deviated by 30 ° toward a direction away from the natural tooth, and are recessed into the holder body by a fixed depth, the fixed depth=the holder body model thickness-0.3 mm; thereby forming a contact that is inclined horizontally upwards in the first region and a contact that is inclined horizontally downwards in the second region.
In the invention, the bonding area is recessed to a fixed depth into the holder main body, and the contacts are positioned in the bonding area, so that the bonding area with recessed contacts distributed in a staggered way is formed on the holder main body; in the bonding area, the surface of the contact is positioned on the coverage surface and can be attached to the lingual side of the natural tooth; while the rest of the surface of the holder body, except the contacts, is recessed by 30 deg., offset from the footprint in the bonding area.
During bonding, the adhesive can be embedded in the bonding area, so that the adhesive can be prevented from overflowing, the high-quality bonding appearance is ensured, and the subsequent adhesive removing workload is reduced; the bonding area can be increased, the mechanical retention force is improved, and the retainer body is prevented from falling off.
The retainer body model is arranged on one side far away from the natural teeth, the surface morphology is added, subtracted, smoothed, processed into the shapes of the tooth sockets, edge ridges, lingual protuberances and the like according to the shape of the natural teeth, so that the surface morphology is consistent with the tongue side morphology of the natural teeth, the retainer body can better imitate the original natural teeth, the pronunciation of a user is not affected, the scouring and massaging effects of food on gums during chewing can not be lost, the intraoral touch feeling of the user is consistent with that of the natural teeth, and the retainer body can be more quickly adapted to wearing.
Specifically, in S4, the bonding area of the holder body model is placed downward, slicing is performed with a thickness of 0.025mm-0.06mm, and a slice file is generated, and integrally formed by 3D printing; the first connecting rods are transversely arranged at two ends of the retainer main body model, the second connecting rods can be vertically arranged on the middle incisors, and the second connecting rods extend towards the first connecting rods.
Preferably, the first and second links have a diameter = 2mm, capable of providing a certain support to the holder body, preventing deformation during printing.
Wherein, a forming bottom plate is additionally arranged at one side of the bonding area of the retainer main body model and used for bearing the retainer main body model, and a cross support is additionally arranged between the retainer main body model and the forming bottom plate; the cross support has a thickness of 0.1mm and a width of 1mm, connects the holder body with the forming floor, and carries the holder body through the forming floor.
With continued reference to fig. 5, a plurality of barriers communicating with the bonding area are provided along the edge of the bonding area, the depth of the barriers is 0.1mm, and each barrier is provided at 1mm intervals, so that a plurality of notches are formed along the edge of the bonding area.
Preferably, the cross section of the enclosure is an equilateral triangle with the side length of 2mm, one side of the equilateral triangle is positioned in the bonding area, the other two sides of the equilateral triangle are positioned outside the bonding area, and the adjacent two equilateral triangles are arranged at intervals of 1 mm; forming a plurality of toothed annular edges with the depth of 0.1mm along the edge of the bonding area; the heat dissipation channel is provided for the printing process of the retainer main body by arranging the enclosing baffle, so that the strength of the generated retainer main body can be effectively ensured, and the stability of the form is maintained.
Preferably, the retainer body can be made of cobalt-chromium/pure titanium/titanium alloy metal powder through 3D printing, and argon is adopted for holding in the printing process in a summarizing way, so that the safety of the printing process and the toughness of the retainer body are ensured.
Furthermore, the holder body supported by cobalt chromium/pure titanium/titanium alloy metal powder can also have good elasticity and metal memory ability; when the staff puts the retainer main body into the user tongue side, the retainer main body can easily enter the undercut region, and the effect of attaching and not deforming can be achieved after the retainer main body is worn in the oral cavity.
After printing is completed, the holder body is taken out, and stress release is performed according to the material selected for the holder body. Then removing the support from the forming bottom plate; and putting the retainer main body into a sand blasting machine with the pressure of 0.2pa, and carrying out surface sand blasting treatment by adopting diamond sand to remove surface impurities.
In S5, it is necessary to cut off the support member on the holder body, polish the cut surface smoothly at the support point, polish the edge of the cut surface of the holder body obliquely to be thin, form a 150 ° transition between the holder body and the natural tooth, and polish the cut surface.
In the present invention, in one aspect, the holder body is integrally formed by 3D printing, the holder body having sufficient strength to provide sufficient anchorage; on the other hand, the bonding area is arranged on the retainer main body corresponding to each natural tooth, and the contact is arranged in the bonding area, so that the adhesive can be prevented from overflowing, the high-quality bonding appearance is ensured, and the workload of subsequent adhesive removal is reduced; the bonding area can be increased, the mechanical retention force is improved, and the retainer main body is prevented from falling off; furthermore, each appearance parameter of the retainer main body is digitally designed, the thickness of the retainer main body can be maintained between 0.5mm and 0.7mm on the premise of ensuring the strength of the retainer main body, the whole retainer main body is light and thin, the foreign body sensation of the tongue side of a user oral cavity can be reduced, and the user experience is improved.
In addition, the retainer body manufactured by the invention can be directly embedded into the lingual side of a user before formal bonding, and can be easily installed without special tool assistance by matching and positioning the lingual bulge and the cervical margin, thereby being convenient for the staff to continuously verify/finely adjust the retainer body.
Even if the concave depth of the user undercut area is too large, if the retainer body is not well positioned, the retainer body with elasticity can be easily positioned without undercut by forcibly kneading the two ends of the retainer body to the middle. Then, due to the metal memory capacity of the retainer main body, after the retainer main body is loosened, the two ends of the retainer main body can rebound and closely adhere to the natural lingual side, so that the retainer main body is convenient to install and position.
It will be apparent to those skilled in the art that while preferred embodiments of the present invention have been described, additional variations and modifications may be made to these embodiments once the basic inventive concepts are known to those skilled in the art. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the invention. It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (10)
1. The manufacturing method of the bionic lingual appliance holder is characterized by comprising the following steps of:
s1, generating a retainer main body model according to the lingual profile of a user in three-dimensional modeling software;
S2, corresponding to each natural tooth, arranging a plurality of bonding areas on the retainer main body model;
s3, a plurality of contacts are discretely arranged in each bonding area;
s4, outputting a retainer main body model, and integrally forming and manufacturing the retainer main body;
And S5, polishing the retainer main body.
2. The method for manufacturing the bionic lingual appliance holder according to claim 1, further comprising S11, performing error verification on the theoretical model, selecting n teeth of the user as references, measuring the distances between every two teeth in the theoretical model and the actual oral cavity, and recording the distances as L1 … Ln and D1 … Dn, respectively, so as to satisfy |ln-dn| is less than or equal to 0.05mm.
3. The method of manufacturing a bionic lingual appliance according to claim 1, further comprising S12 in S1, setting design parameters, wherein the design parameters include:
Edge range lines, including a jaw-proximal square edge line and a gum square edge line, connecting the jaw-proximal square edge line and the gum square edge line into a closed pattern, thereby forming edge range lines;
covering surfaces, which are generated along with the lingual profile of the natural tooth in the edge range line;
A displacement amount, namely translating the coverage surface towards a direction away from the natural teeth by a fixed displacement amount t;
the thickness, with the edge-range line as the outer contour, extends the cover surface in a direction away from the natural tooth to produce a retainer body model of thickness T.
4. The method for manufacturing the bionic lingual appliance holder according to claim 3, wherein,
For the near jaw square edge line, in the lower jaw, drawing to the cutting edge and 0.5-2mm below the jaw edge; in the upper jaw, drawing to 0.5-1mm below the jaw contact area;
for the square margin line of the gingiva, generating according to the cervical margin of the natural tooth;
wherein T is more than or equal to 0.5mm and less than or equal to 0.7mm, and T is inversely proportional to the height h of the natural teeth;
Wherein t=0.05 mm.
5. The method for manufacturing the bionic lingual appliance holder according to claim 1, wherein,
In S2, deviating the edge line of each natural tooth inwardly from 0.5 to 1mm on the holder body model and extending a fixed depth in the thickness direction of the holder body model, thereby forming an adhesive region;
in S3, marking a plurality of cylindrical marks with the diameter of 1-2mm in each bonding area, and removing the components except the cylindrical marks in the bonding areas so as to form a plurality of contacts;
and the gap between two adjacent cylindrical marks is ensured to be 0.5-2mm according to the area of the bonding area.
6. The method of making a simulated lingual appliance retainer of claim 5 wherein the bonding area is divided into a first area above the horizontal plane and a second area below the horizontal plane along the height of the natural tooth; in S2, the first region and the second region are symmetrically deviated by 30 ° toward a direction away from the natural tooth, and are recessed into the holder body by a fixed depth, the fixed depth=the holder body model thickness-0.3 mm; thereby forming a contact that is inclined horizontally upwards in the first region and a contact that is inclined horizontally downwards in the second region.
7. The method of manufacturing a bionic lingual appliance according to claim 1, wherein in S4, the bonding area of the retainer body model is placed downward, slicing is performed with a thickness of 0.025mm-0.06mm, and a slice file is generated, and integrated molding is performed by 3D printing;
the first connecting rods are transversely arranged at two ends of the retainer main body model, the second connecting rods can be vertically arranged on the middle incisors, and the second connecting rods extend towards the first connecting rods;
And a forming bottom plate is additionally arranged on one side of the bonding area of the retainer main body model and used for bearing the retainer main body model, and a cross support is additionally arranged between the retainer main body model and the forming bottom plate.
8. The method of claim 7, wherein a plurality of barriers are provided along the edge of the bonding region, the barriers are connected to the bonding region and have a depth of 0.1mm, and each barrier is provided at a distance of 1mm, so as to form a plurality of notches along the edge of the bonding region.
9. The method according to claim 7, wherein in S5, the support member on the retainer body is cut off first, the cut surface is polished smoothly at the support point, the edge of the cut surface of the retainer body is polished obliquely to be thin, a 150 ° transition is formed between the retainer body and the natural teeth, and finally the cut surface is polished.
10. A bionic lingual appliance retainer characterized by being manufactured by the method for manufacturing the bionic lingual appliance retainer according to any one of claims 1 to 9.
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104970891A (en) * | 2015-07-13 | 2015-10-14 | 金华市众邦前景医疗器械科技有限公司 | Manufacturing method of customized tongue-side invisible aligner |
| CN107837121A (en) * | 2017-12-22 | 2018-03-27 | 云艺生物科技（长春）有限公司 | A kind of customized type lingual fixed retainer and preparation method thereof |
| CN110680538A (en) * | 2019-09-03 | 2020-01-14 | 南京市口腔医院 | Manufacturing method and wearing method of digital clearance retainer |
| CN111053621A (en) * | 2019-12-31 | 2020-04-24 | 佛山市佛冠义齿有限公司 | Lingual retainer and method of fixing the same |
| US20200197132A1 (en) * | 2018-12-20 | 2020-06-25 | HIT Health Intelligent Technologies AG | Lingual retainer |
| US20200229903A1 (en) * | 2019-01-22 | 2020-07-23 | Dean UltraThin Retainer, LLC | Orthodontic appliance with apertured bonding pad |
| CN113271887A (en) * | 2018-12-20 | 2021-08-17 | 赫希动力控股股份公司 | Lingual retainer |
| CN113939244A (en) * | 2019-03-05 | 2022-01-14 | Ca-数字有限责任公司 | Bonded retainer |
| CN219021619U (en) * | 2022-11-29 | 2023-05-16 | 四川大学 | Comfortable high-adhesion lingual retainer |
| CN116269854A (en) * | 2023-03-31 | 2023-06-23 | 西安交通大学口腔医院 | Lingual retainer and method of making and using same |
| CN116473697A (en) * | 2023-04-26 | 2023-07-25 | 南京医科大学附属口腔医院 | Lingual fixing retainer |
-
2024
- 2024-06-24 CN CN202410818007.8A patent/CN118402880B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104970891A (en) * | 2015-07-13 | 2015-10-14 | 金华市众邦前景医疗器械科技有限公司 | Manufacturing method of customized tongue-side invisible aligner |
| CN107837121A (en) * | 2017-12-22 | 2018-03-27 | 云艺生物科技（长春）有限公司 | A kind of customized type lingual fixed retainer and preparation method thereof |
| US20200197132A1 (en) * | 2018-12-20 | 2020-06-25 | HIT Health Intelligent Technologies AG | Lingual retainer |
| CN113271887A (en) * | 2018-12-20 | 2021-08-17 | 赫希动力控股股份公司 | Lingual retainer |
| US20200229903A1 (en) * | 2019-01-22 | 2020-07-23 | Dean UltraThin Retainer, LLC | Orthodontic appliance with apertured bonding pad |
| CN113939244A (en) * | 2019-03-05 | 2022-01-14 | Ca-数字有限责任公司 | Bonded retainer |
| CN110680538A (en) * | 2019-09-03 | 2020-01-14 | 南京市口腔医院 | Manufacturing method and wearing method of digital clearance retainer |
| CN111053621A (en) * | 2019-12-31 | 2020-04-24 | 佛山市佛冠义齿有限公司 | Lingual retainer and method of fixing the same |
| CN219021619U (en) * | 2022-11-29 | 2023-05-16 | 四川大学 | Comfortable high-adhesion lingual retainer |
| CN116269854A (en) * | 2023-03-31 | 2023-06-23 | 西安交通大学口腔医院 | Lingual retainer and method of making and using same |
| CN116473697A (en) * | 2023-04-26 | 2023-07-25 | 南京医科大学附属口腔医院 | Lingual fixing retainer |
Non-Patent Citations (1)
| Title |
|---|
| 刘东旭, 王春玲, 张兆莲, 宋宇: "粘接式舌侧保持器的制作及其应用", 山东医科大学学报, no. 04, 24 December 1998 (1998-12-24), pages 85 * |
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| CN118402880B (en) | 2024-09-03 |
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