KR101497493B1 - Removable Dental Appliance Mounted On Teeth And Manufacturing Method Thereof - Google Patents

Abstract

The present invention discloses an arch-shaped removable dental appliance that is removably mounted on the teeth of an upper jaw or a lower jaw constituting a dental arch and a method for manufacturing the same. The removable dental appliance according to the present invention includes a cover frame that has a layered structure which includes a hard first cover layer and a soft second cover layer provided on a further inner side than the first cover layer and has a tooth groove in a longitudinal direction; and a hard core frame that has a tooth contact surface which is shaped to be punched by edge portions of a plurality of teeth among the teeth described above and is provided in the tooth groove of the cover frame, the cover frame including a cover inner wall constituting one side wall of the tooth groove to be provided along a tongue side of the teeth, a cover outer wall constituting the other side wall of the tooth groove to be provided along the front of the teeth, and a cover base connecting the cover inner wall and the cover outer wall to each other so block the teeth and the relative teeth from each other. The removable dental appliance according to the present invention prevents tooth damage by absorbing a gritting or gnashing impact, is effective for tooth arrangement maintenance and is highly durable to continuous use. Also, the removable dental appliance according to the present invention can provide an adequate force for attachment and detachment, and thus tooth damage during the attachment and detachment can be prevented, the attachment and detachment can be facilitated, and resistance and form stability can be provided against extended use or impacts.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a removable dental appliance mounted on a tooth,

More particularly, the present invention relates to a denture-type denture instrument attached to a tooth, and more particularly to a denture denture instrument which is excellent in durability and comfortability and which can protect teeth from strong occlusal force and gentle bite during malingering, A tentacle mechanism of a structure in which the burden on the jaw joint and the teeth can be minimized or prevented, and a method of manufacturing the same.

In general, a removable dental device refers to an intraoral structure that is detachably attached to a tooth and functions as a dental function, for example, to protect the teeth, protect the jaws, or maintain the teeth after orthodontic treatment. The removable dental mechanism includes a mouthpiece, a splint, and a retainer.

More specifically, the mouthpiece, which is one example of the removable dental mechanism, is mounted on a tooth and protects teeth and temporomandibular joints from impact applied to the face by a fist or a ball during exercise such as fighting or ball game. , Silicon or latex.

For reference, a human tooth forms an arch-type dental arch, which is divided into normal occlusion and malocclusion according to the positional relationship of the dentition when the lower and upper teeth are engaged.

Conventional general mouthpieces are provided for sports or leisure, and are divided into ready-made items and personalized ones. Since ready-made articles have low functionality, it is generally preferable to customize the mouthpieces to be manufactured according to individual oral structures (teeth arrangement) Is attached to the teeth to prevent damages to teeth, gums, and lips from impacts applied from the outside of the face, protects the jaw joints and jaws (jawbone), and further prevents brain damage. And the holding device is attached to the teeth and functions to maintain the teeth state.

On the other hand, when a person is in a state of tension or has to exert a great deal of force, the muscles near the mouth are tightened and tightened, and the strong occlusal force generated at this time is absorbed and dispersed by the jaw joint and the teeth, Large or repetitive occurrences have adverse effects on the teeth and jaw joints.

Examples of situations in which teeth are damaged by strong occlusal force include maternity and exercise or labor that should exert a great deal of power. During maternity, And the occlusal force generated at this time may damage the tooth of the mother and may adversely affect the jaw joint.

In addition, the teeth are damaged due to repetition of unconscious or irregular water during sleep. The dental mouthpiece is effective for protecting the teeth from external impact applied to the face. However, And it is not enough to prevent tooth damage due to the occlusion of the lower teeth and upper teeth, and the mouthpiece is torn due to strong occlusal force, or the occlusal force due to the imperfect water is not fully buffered and is transferred to the teeth as it is. There are a number of problems that can easily be loosened, resulting in poor adhesion and causing dental changes in the lower and upper teeth, resulting in abnormalities in occlusion.

In addition, there is a problem that the tooth surface is damaged at the time of attaching / detaching the removable iron type dental instrument due to a strong fitting force, or causes pain in the detachment process. Even in the case of the above-described holding device, since it allows direct contact between the upper teeth and the lower teeth, it is insufficient to protect the teeth from buccolinges and wrinkles.

Korean public utility model 20-2012-0004838, July 4, 2012 public Published Korean Patent Application No. 10-2012-0004796, January 13, 2012

SUMMARY OF THE INVENTION The present invention has been proposed in order to solve the above-mentioned problems, and it is an object of the present invention to provide a dental cigarette type dental device which can protect a tooth from a cramp and a tooth and has excellent durability and a method for manufacturing the dental cigarette.

Another object of the present invention is to provide a removable iron type dental device which can protect the jaw joints by minimizing or preventing the horizontal movement of the under teeth with respect to the upper teeth during use, and a manufacturing method thereof.

It is still another object of the present invention to provide a removable dental device having a structure in which breathing is smooth even in a state where the breathing is smooth and deformation of the use for a long period of time, for example, loosening can be minimized, and a manufacturing method thereof .

In order to solve the above-mentioned object, the present invention provides an arch-shaped iron-type dental instrument detachably mounted on a maxillary or mandibular tooth of a dental arch.

A cantilever type dental instrument according to the present invention is a layered structure comprising a hard hard first lid layer and a soft second lid layer provided on the inner side of the first lid layer, frame; And a hard and rigid core frame provided on a tooth groove of the cover frame, the tooth frame having a tooth contact surface having a plurality of teeth of the teeth, the cover frame having: A lid outer wall constituting the other side wall of the tooth groove so as to be provided along the front of the tooth and a lid outer wall which connects the inner wall of the lid and the outer wall of the lid so as to block the tooth- And a cover base.

The tooth contact surface of the core frame has a shape in which an end portion of the tooth contact surface, which is provided along the dental arch from any one of the left teeth of the teeth to the right teeth of the teeth, is stamped.

A left mouth contact surface having a shape in which at least one end portion of the left tooth teeth is formed so as to be in direct contact with at least one of the left teeth teeth is formed between a left end of the tooth groove and a left end of the core frame; And a umbilical-tooth contact surface is formed between the right end of the tooth groove and the right end of the core frame in such a manner that at least one end of the right teeth is stamped so as to be in direct contact with at least one of the right teeth.

It is preferable that the thickness of the anterior cover portion covering the end portion of the anterior portion of the teeth of the removable dental mechanism is larger than the thickness of the posterior molar portion covering the end portion of the most rearward molar of the teeth.

And the first cover layer forming the outer surface of the iron-based dental mechanism; The second cover layer is laminated inside the first cover layer to contact the first cover layer and the inner surface of the second cover layer can contact the core frame to cover the core frame.

The lid inner wall is in contact with the lingual side of the tooth, and the outer lid of the lid is in contact with the entire surface of the tooth so as to attract the tooth-attached state of the removable dental mechanism.

More specifically, the second cover layer can be brought into contact with the lid side of the tooth and the front face of the tooth and the core frame.

The outer surface of the cover base may have a shape in which the relative value of the teeth is stamped.

The cover base comprising: The cover frame may be formed in a direction crossing the longitudinal direction of the cover frame so as to allow air to pass behind the cover frame and have an air groove recessed from the outer surface of the cover base.

In another aspect, the present invention provides a method of manufacturing an iron-like iron-like denture instrument of an arch shape detachably mounted on a maxillary or mandibular tooth of a dental arch.

The method for manufacturing a removable dental appliance according to the present invention comprises the steps of: (a) forming a rigid hard core frame having teeth contact surfaces of a plurality of teeth of the teeth; A lid inner wall constituting one side wall of the tooth groove so as to be provided along the lingual side of the tooth; a lid outer wall constituting the other side wall of the tooth groove to be provided along the front of the tooth; In order to integrally form a cover base which connects the inner wall of the cover and the outer wall of the cover to cover the core frame and forms the tooth groove together with the inner wall of the cover and the outer wall of the cover, And (b) forming a cover frame of a layered structure having a soft second cover layer on the inner side of the first cover layer on the outer side of the core frame.

The step (a) may be performed on a tooth model having the same structure as the tooth. The step (a) may include a step (a1) of applying the dental resin to the tooth model to form the tooth contact surface.

The step (b) may include forming the layered structure for the cover frame on the outer side of the core frame with the core frame disposed on the tooth model.

Forming the structure comprises: Softening a multilayer sheet comprising a hard layer constituting the first lid layer and a soft layer laminated on the hard layer forming the second lid layer and integrated with the hard layer; And adhering the double-layered sheet to the tooth model on which the core frame is disposed so that the shape of the tooth model is transferred to the double-layered sheet at a negative angle, thereby integrating the core frame and the multi-layered sheet.

Forming the structure comprises: The soft sheet is adhered to the tooth model on which the core frame is disposed so that the shape of the tooth model on which the core frame is disposed is transferred to the soft sheet forming the second cover layer at a negative angle, The method comprising the steps of: integrating the frame and the soft sheet so that the shape of the tooth model covered with the core frame and the soft sheet is transferred intaglio to a rigid rigid sheet forming the first cover layer; And adhering the hard sheet to the teeth model covered with the soft sheet to integrate the hard sheet to the outside of the soft sheet.

And a method of manufacturing the removable dental mechanism includes: An upper face model having the same structure as the tooth face relative to the teeth model is formed on the outer surface of the structure so as to correspond to an occlusal relationship between the upper and lower teeth, with the structure of the layered structure covering the core frame formed on the tooth model The method may further include forming a groove on the outer surface of the cover base, the groove having a shape in which the relative value is formed.

The method of manufacturing a removable dental mechanism according to the present invention comprises the steps of: And completing the appearance of the cover frame by closing the layered structure.

According to the cast iron type dental mechanism and the manufacturing method thereof disclosed in the present invention, the following effects can be obtained.

First, the removable dental instrument according to the present invention absorbs impacts caused by rickettsy or gums to prevent tooth damage, is effective in maintaining dental heat, and has excellent durability against continuous use.

Second, since the removable dental instrument according to the present invention can provide an appropriate fitting force for detachment, damage to the teeth can be prevented at the time of detachment, detachment can be easily performed, excellent resistance to long- Respectively.

Thirdly, according to the present invention, it is possible to consciously assure smooth breathing even in an awkward state in order to unintentionally grasp it or to exert a great force, and the front cover portion covering the end portion of the anterior portion It is thicker than the molar covering portion covering the rear molar so that the vertical position of the tooth can be prevented from changing during use of the removable dental mechanism.

Fourthly, according to the present invention, the removable dental mechanism can maintain the bite relationship between the upper and lower teeth, and can prevent or minimize the damage of the jaw joint due to the horizontal movement of the lower teeth relative to the upper teeth, and is easy to manufacture.

1 is a perspective view schematically showing an embodiment of a removable dental mechanism according to the present invention.
2 is a plan view schematically showing an embodiment of a removable dental mechanism according to the present invention.
3 is a side view schematically showing an embodiment of a removable dental mechanism according to the present invention.
4 is a bottom view schematically showing one embodiment of a core frame applied to a removable dental mechanism according to the present invention.
5 is a cross-sectional view taken along the line AA of Fig.
6 is a sectional view taken along line BB in Fig.
7 is a sectional view taken along the line CC in Fig.
8 is a side view showing a contact state of a relative value according to an embodiment of the iron-based dental mechanism according to the present invention.
9 is a cross-sectional view showing a state in which the molar teeth of the relative teeth are in contact with the movable iron dental mechanism shown in Fig.
Fig. 10 is a cross-sectional view showing a state in which the relative value of the relative value is in contact with the cantilever type dental mechanism shown in Fig. 7;
11 is a flow chart illustrating a method of manufacturing a removable dental mechanism according to the present invention.
12 and 13 are a side view and a perspective view illustrating a state in which a tooth model of an upper and lower teeth is supported on a joint link device in a state where an occlusal relationship is aligned.
14 and 15 are a side view and a perspective view illustrating a state in which the teeth models of the maxillary and mandibular teeth are opened by the joint link device in a state in which the occlusal relationship is aligned.
16 is a perspective view showing a state in which a core frame is formed on a tooth model;
17 is a perspective view showing a state in which a layered structure for a cover frame is covered on a core frame disposed on a tooth model.
Fig. 18 is a plan view showing a state in which a bite groove is formed on the surface of the layered structure formed in Fig. 17; Fig.

Best Mode for Carrying Out the Invention Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings. In describing the present embodiment, the same reference numerals and symbols are used for the same components, and additional description and overlapping description thereof will be omitted in the following.

First, an embodiment of a removable dental mechanism according to the present invention will be described with reference to FIGS. 1 to 7. FIG.

FIG. 1 is a perspective view schematically showing an embodiment of a cantilever type dental mechanism according to the present invention, FIG. 2 is a plan view schematically showing an embodiment of a cantilever type dental mechanism according to the present invention, FIG. 4 is a bottom view schematically showing one embodiment of a core frame applied to a removable iron type dental mechanism according to the present invention. FIG. 4 is a side view schematically showing one embodiment of a removable iron type dental mechanism according to the present invention.

5 is a cross-sectional view taken along the line A-A in Fig. 1, Fig. 6 is a cross-sectional view taken along the line B-B in Fig. 1, and Fig. 7 is a cross-sectional view taken along line C-C in Fig.

The iron-type dental instrument according to the present invention is detachably attached to the teeth of the maxillary or mandibular teeth constituting the dental arch, that is, the upper and lower teeth and protects the teeth in an environment of dental function such as external impact, A denture mechanism can be used as a mouthpiece, a splint or a holding device. In this embodiment, a structure in which the iron type dental mechanism is attached to an upper teeth (upper teeth) is described. However, But it may be a structure to be attached to mandibular teeth (lower teeth). In the case of being attached to the lower teeth, the tooth binding grooves are formed in opposite directions.

Referring to FIGS. 1 to 7, an embodiment 100 of a removable dental appliance according to the present invention is attached to an upper teeth (upper teeth) as described above to protect a user's teeth, As a result, it can be used as a device for preventing the damage of the teeth from the impact of the teeth such as the irregular teeth and the like, and can also be used as a device for maintaining the current dental state, for example, as a holding device for maintaining the teeth after orthodontic treatment.

In the removable dental instrument 100, the teeth, that is, the tooth coupling grooves 110a into which the teeth are inserted, are formed in a shape corresponding to the teeth of the maxillary teeth forming the dental arch, 100 is an arch-shaped structure including a cover frame 110 and a core frame 120.

The lid frame 110 includes a layered structure having a plurality of layered structures, more specifically, a rigid first lid layer 101 and a soft second lid 101 provided inside the first lid layer 101, Layer structure having a layer 102 thereon. The second lid layer 102 may be in direct contact with the inner surface of the first lid layer 101 and may be laminated with another layer interposed therebetween. In this embodiment, however, Are laminated adjacent to the side surfaces.

Since the movable iron-based dental instrument 100 according to the present embodiment is a structure attached to the upper teeth, the lid frame 110 is provided with a tooth groove (not shown) along the longitudinal direction of the lid frame 110, . The lid frame 110 has an arch shape and is formed as an outer appearance of the removable iron type denture instrument 100 according to the present embodiment. The lid frame 110 has a shape in which the tooth groove is depressed downward to correspond to the dental arch Respectively.

More specifically, the lid frame 110 includes a lid inner wall 111, a lid outer wall 112, and a lid base 113. The lid inner wall 111 constitutes one side wall (inner side wall or rear side wall) of the tooth groove so as to be curved along the back side of the tooth, that is, the lower side of the upper tooth. The cover outer wall 112 forms the other side wall (front wall) of the tooth groove so as to be curved along the front face (forward side, narrow side) of the tooth.

Next, the lid base 113 connects the lid inner wall 111 and the lid outer wall 112 to block the gap between the teeth (upper teeth) and the upper teeth (lower teeth) Since the mechanism 100 is attached to the upper teeth as described above, the lid base 113 forms the bottom of the tooth groove, and when the lower teeth and the upper teeth are opposed to each other in a state in which the removable dental mechanism is attached to the upper teeth, The outer surface (outer surface) of the lid base 113 is in contact with the lower teeth (upper teeth).

The teeth of the normal person are divided into the posterior part and the anterior part, and the end part of the tooth part (T1, molar) constituting the posterior part is called the occlusal surface for chewing (chewing action) ; The end of the former) is called a cutting plane (or simply "cutting") because it functions as a cutting function.

In a normal person, the molar is composed of two or three molars on each of the right and left sides and two premolars on the front side of the molar, and the anterior part is composed of a central tooth, a lateral incisor, and a canine.

The core frame 120 is provided inside the cover frame 110 to be in contact with the teeth, that is, is received / fixed in the inside (tooth groove) of the cover frame 110, The tooth contact surfaces 121a and 121b have a shape in which a plurality of end portions of the teeth (upper teeth) are stamped. The tooth contact surfaces 121a and 121b are provided in an arch shape in the teeth groove of the cover frame 110.

Accordingly, the core frame 120 is fixed to the tooth groove of the lid frame, thereby completing the tooth binding groove 110a inside the lid frame 110.

In this embodiment, the tooth contact surfaces 121a and 121b of the core frame 120 are formed from one of the left teeth of the tooth to one of the right teeth of the teeth along the tooth arch of the tooth The end portion of which has been stamped.

The tooth contact surfaces 121a and 121b of the core frame 120 are formed in the shape of a tooth contact surface 121b having a tooth engaging surface 121a and a tooth engaging surface 121b, (Central teeth, side cutting teeth, and canines) constituting the anterior portion are engaged with the portion where the front contact surface 121a is formed (a portion covering the front portion), and a portion where the posterior contacting surface 121b is formed A part of them constituting the posterior part is matched.

Accordingly, the core frame 120 serves as a reference for alignment and fitting when the iron-based dental instrument 100 is attached to the teeth (upper teeth), and when the iron-based dental instrument 100 Preventing it from moving in the deposited position.

At this time, the left end and the right end of the core frame 120 are in contact with the left and right fourth molars (first premolar) through sixth molar (first molar) of the upper teeth, and the occlusal surfaces of the remaining molars are in contact with the lid frame 110, particularly the inner surface of the cover base 113. However, the present invention is not limited to this, and the entire occlusal surfaces of the left and right molar can be covered by the core frame.

As described above, the occlusal surface of some of the molar teeth may be directly in contact with the inner surface (bottom surface of the tooth groove) of the cover base 113. To this end, the cover base 113 of the cover frame At least one of the mating portions may be abutted to form a mating portion.

More specifically, in a portion between the left end of the tooth groove and the left end of the core frame 120 among the inner surfaces of the cover base 113, A contact surface 102a is formed and a umbrella contact surface 102b is formed in a section between the right end of the tooth groove and the right end of the core frame 120 so as to be in direct contact with at least one of the right teeth.

The left posterior contact surface 102a has a shape in which at least one end portion (occlusal surface) of the left posterior teeth is imaged, and the umbilical-tooth contact surface 102b has a shape in which at least one end portion of the right- .

In the present embodiment, the core frame 120 is engaged with the teeth from the left sixth molar (left first molar) to the right sixth molar (right first molar) along the dental arch, and the left 7th molar And the right 7th molar (right second molar) are engaged with the left tooth contact surface 102a and the right tooth contact surface 102b formed on the right and left inner surfaces of the cover base, respectively.

The thickness of the bottom of the left and right ends of the tooth binding groove 110a (the portion covering the tip of the tooth) is preferably thinner than the thickness of the middle portion of the tooth binding groove covering the cut surface of the anterior portion.

This is because, when the removable dental mechanism 100 is attached to the teeth (upper teeth), when the mandible is rotated based on the jaw joint, the last molar teeth (7th or 8th molars) of the upper teeth When the bottom thickness of the tooth coupling groove 110a is made uniform, a gap (gap) is formed between the anterior portion of the relative tooth and the intermediate portion of the movable iron-based dental mechanism, ) May be formed and this phenomenon may result in a change in the vertical position of the lower and / or upper teeth.

Therefore, it is preferable that the removable dental mechanism is capable of contacting at least one of at least one of the anterior teeth of the relative tooth and the left tooth and the right tooth, and for this purpose, The thickness of the partial front cover portion covering the end portion (cut surface) of the upper incisal portion is formed thicker than the thickness of the molar covering portion covering the end portion (occlusal surface) of the most rear molar among the above-mentioned maxillary molars.

In this embodiment, since the core frame 120 extends leftward and rightward only from the left and right fourth molar teeth (first premolar tooth) to the sixth molar tooth (first molar tooth) at the anterior portion of the teeth (upper teeth) The cover cover 113 may be composed only of the cover base 113 and the front cover part is composed of the core frame 120 and the cover base 113 so that the mouth cover part is thinner than the front cover part.

Of course, in the case of a user who has symptoms of an open-frontal occlusion, it is also possible to improve the forward-opening bite by setting the thickness of the removable dental mechanism so that the removable dental mechanism contacts the posterior portion of the relative tooth and does not touch the anterior portion.

Meanwhile, the second cover layer 102 is a buffer layer made of a soft or soft material that alleviates the impact applied to the tooth, that is, the upper teeth, and the lower teeth, Is a hard layer formed on the outer side of the second cover layer 102, i.e., a hard hard surface protective layer.

In the present embodiment, the first cover layer 101 forms the outer surface of the cover base 113, that is, the outer surface of the iron-based dental mechanism 100. Therefore, when the removable dental instrument 100 is worn while it is being worn, the relative value of the tooth to which the removable dental instrument 100 is attached (in this embodiment, the undersurface) is contacted with the first cover layer 101 do.

As in the present embodiment, when the movable iron-based dental instrument 100 is attached to the upper teeth, the above-mentioned relative teeth become the lower teeth and the relative teeth become the upper teeth when they are attached to the lower teeth. To be clear to.

The first lid layer 101 is laminated adjacent to the outside of the second lid layer 102 so that the structure in which the second lid layer 102 is covered with the first lid layer 101 However, another layer may be further provided between the first cover layer 101 and the second cover layer 102. However, as the number of layers of the cover frame 110 increases, the thickness of the iron-based dental mechanism 100 increases, and the foreign body feeling may be increased.

The second lid layer 102 is laminated on the inner side of the first lid layer 101 to be in contact with the first lid layer 101 and the inner side surface of the second lid layer 102 is in contact with the The core frame 120 is brought into contact with the core frame 120, and the core frame 120 is covered with the second cover layer 102.

The lid inner wall 111 and the lid outer wall 112 are in contact with the lingual side of the upper teeth and the front face (narrow side and net side) of the teeth, respectively. The lid inner wall 111, the lid outer wall 112 and the lid base 113 are both a layered structure having the first lid layer 101 and the second lid layer 102 as described above, The second lid layer 102 is in contact with the lid side (back surface) and the front surface of the upper teeth and the core frame 120. Therefore, the thickness of both side walls (front wall and rear wall) of the removable dental mechanism according to the present embodiment can be reduced and the feeling of foreign body can be reduced.

The core frame 120 is a rigid material, that is, a hard material. The core frame 120 is an alignment reference when the iron-based dental tool 100 is attached to the upper teeth, while maintaining the basic rigidity in the iron- 1 cover layer 101 protects the surface of the iron-based dental mechanism from the impact applied to the spiral dental mechanism and maintains rigidity of the iron-based dental mechanism 100 together with the core frame, The core frame 120 and the first cover layer 101 are formed of a hard dental resin material and the second cover layer 102 is formed of a material having a hardness, The layer 102 may be formed of a soft dental resin material.

In this embodiment, the first cover layer 101 may be made of a hard resin such as a hard silicone resin, and the second cover layer 102 may be made of a soft, Layer can be made of a soft resin such as a soft silicone resin. As a dental resin, a hard resin and a soft resin sold in various companies such as ERKODENT in Germany and FORESTADENT in Germany (Polyethylene terephthalate glycols). Specific examples of the soft dental resins include EVA (Ethylene Vinyl Acetate), thermoplastic polyurethane (TPU), and the like. . As described above, the hard resin having a hard surface and the soft resin having cushioning properties are variously known, and further description thereof will be omitted.

The core frame 120 may be made of a hard dental resin but is not limited thereto. In the present embodiment, the core frame 120 is formed of a hard rigid body by mixing methyl methacrylate and polymethyl methacrylate, but the material thereof is limited as described above And may be made of the same material as that of the first cover layer 101.

The lid inner wall 111 and the lid outer wall 112 are elastically and tightly adhered to the back surface and the entire surface of the teeth so as to maintain the adhered state of the removable dental mechanism 100. As described above, And a second cover layer 102 of soft nature.

The portion of the lid inner wall 111 and the lid outer wall 112 that covers the molar portion is elastically adhered to the surface of the molar portion, in particular, the surface of the molten portion to maintain the adhered state of the iron type dental mechanism 100.

In the present invention, the second cover layer 102 reduces the excessive fitting force of the removable dental mechanism 100 to prevent damage to the tooth surface when the removable dental mechanism 100 is detached, And the first lid layer 101 maintains the rigidity and durability of the lid inner wall 111 and the lid outer wall 112 while preventing the surface damage of the removable denture mechanism 100, The cover frame 110 may be loosened.

In other words, a structure in which the removable dental mechanism 100 according to the present invention includes a cushioning inner buffer layer (second cover layer) and a hard hard surface protection layer (first cover layer) for surface protection, The first cover layer 101 prevents breakage, for example tearing, of the iron type dental mechanism 100 while maintaining the skeleton and rigidity of the lid frame 110 and the core frame 120 is engaged with the tip of the tooth Thereby minimizing or preventing the movement of the removable dental mechanism 100 in the gentle or rough.

Therefore, according to the present embodiment, the removable dental mechanism becomes a layered structure including hard-soft-hard, and in particular, the front and back surfaces of teeth are covered with a soft-hard two-layered layered structure, (Denture) and denture (denture) can be satisfactorily satisfied, as compared with the denture-type denture apparatus of the present invention.

8 to 10, a removable dental instrument 100 according to the present invention includes an outer surface of the cover base 113, that is, an outer surface of the cover base 101, (113a, 113b) (hereinafter, abbreviated as "bite grooves") formed in the portion where the bumps are formed.

In other words, the outer surface of the lid base 113 has the engaging grooves 113a and 113b having a shape in which the relative value of the tooth (in this embodiment, the lower tooth) is stamped.

More specifically, the cover base 113 is formed on its outer surface with engaging grooves 113a and 113b having at least a part of the inferior ridges formed thereon. The engaging grooves 113a and 113b are formed at positions The dentular instrument 100 is held on the teeth and the occlusal relationship between the dorsal and upper teeth is maintained while the wearer holds the denture 100 in a state where the denture 100 is in contact with the teeth, Thereby preventing an abnormality of the jaw joint.

The engaging grooves include a front engaging groove 113a in which at least a part of the cut surfaces of the anterior portion are stamped and a posterior engaging groove 113b in which at least a part of the occlusal surfaces of the right and left posterior portions are stamped . Therefore, the iron-type dental instrument 100 makes contact at least three points with respect to the lower teeth.

In the present embodiment, the posterior bite groove 113b is a shape in which a part of the occlusal surface, in particular, a part of the cusp is slightly formed, rather than a shape in which the whole of the posterior occlusal surface is deeply drawn, Shaped dental instrument and it is enough to prevent the lower teeth from being shifted to the left or right relative to the upper teeth when watered.

Meanwhile, the movable iron type dental instrument 100 according to the present invention is provided with air grooves 113c, 113c formed on the outer surface of the cover base 113 to allow external air to pass into the oral cavity, Airway grooves).

The air groove 131 is formed on the outer surface of the cover base 113, that is, on the outer surface of the first cover layer 101. More specifically, the air groove 131 is formed in a direction crossing the longitudinal direction of the cover frame 110, That is, in the portion covering the anterior portion and in the portion covering the molar portion in the sagging direction to form a breathing passage.

The air groove 131 is located in a region between the teeth (between the teeth) on the outer surface of the lid frame and has a shape recessed from the interdental region in the outer surface of the lid base 113 The shape that is depressed upward). At this time, the air grooves 131 are formed at positions corresponding to all the teeth (adjacent teeth) of the teeth covered by the iron-type dental mechanism 100, and a plurality of air grooves 131 are provided in the iron- desirable.

Hereinafter, with reference to FIGS. 11 to 18, an embodiment of a method for manufacturing a removable dental mechanism according to the present invention will be described.

12 and 13 illustrate a state in which a tooth model of an upper and lower teeth is supported on a joint link device in a state in which an occlusal relationship is aligned; FIG. 11 is a flowchart illustrating a method FIGS. 14 and 15 are a side view and a perspective view illustrating a state in which the teeth models of the maxillary and mandibular teeth are opened by the articulated link device in a state where the occlusal relations are aligned. FIG. 17 is a perspective view showing a state in which a layered structure for a lid frame is covered on a core frame disposed on a tooth model, and Fig. 18 is a perspective view showing a state in which a core frame FIG. 5 is a plan view showing a state in which a groove is formed on the surface of the layered structure formed in FIG.

The manufacturing method of the removable dental instrument 100 includes the steps of forming the core frame 120 and forming the cover frame 110.

More specifically, in the method of manufacturing a removable dental appliance according to the present embodiment, the core frame 120 is manufactured on a tooth model. To this end, a tooth model of a user, for example, an oral gypsum model is prepared. The tooth model is generally manufactured using an impression material and a gypsum. Since the method of manufacturing the tooth model is generally known in the art, further explanation is omitted.

The tooth model has the same structure as that of the tooth on which the removable dental instrument 100 is installed. Hereinafter, a tooth model that mimics the tooth, that is, the structure of the teeth to which the iron-based dental mechanism is attached, is referred to as a first tooth model M1, and a tooth model that mimics the structure of a relative tooth is referred to as a second tooth model M2.

To manufacture the tooth frame, particularly the core frame 120 on the first tooth model M1, as shown in FIGS. 13 and 14. More specifically, the first tooth model M1 is disposed on the base plate P of the articulated link device, and the interlocking relationship between the first tooth model M1 and the second tooth model M2 is determined by the wearer Is arranged on the base plate (P) as much as possible with the occlusion relationship of the upper and lower teeth of the base plate (P).

In order to align the first tooth model M1 and the second tooth model M2, the teeth of the lower and upper teeth of the wearer are mainly used.

The second tooth model M2 is rotatably connected to the joint J of the articulated link mechanism in a state in which the first teeth model M1 and the second tooth model M2 are in an aligned state. When the link bar L is rotated about the joint J after the second tooth model M2 is fixed to the link bar L, , The second tooth model M2 is rotated and separated from the first tooth model M1 as shown in FIGS.

16, the core frame 120 may be manufactured on the first tooth model M1 and the core frame 120 may be formed on the first tooth model M2, It is manufactured by applying dental resin, especially hard resin, to the tooth part of tooth model and hardening it. Of course, the core frame 120 may be manufactured by stamping a hard sheet to be described later on the first tooth model M1.

In this embodiment, a dental resin, more specifically, Methyl Methacrylate and Polymethyl Methacrylate are applied to the tooth portion of the first tooth model M1, 120 are formed into a shape having the above-described tooth contact surfaces 121a, 131b.

After the core frame 120 is separated from the first tooth model M1, the core frame 120 is subjected to a trimming process for finishing the appearance of the core frame 120, for example, It is possible.

After the manufacture of the core frame 120 is completed as described above, the manufacturing process of the cover frame 110 proceeds. For the manufacture of the lid frame 110, the core frame 120 is placed on the first tooth model M1, and the core frame 120 is provided with a layered structure for the lid frame 110, That is, the layered structure S is formed.

Examples of forming the layered structure S include a method in which the layered structure S is formed by sequentially laminating a soft layer and a hard layer on the outer side of the core frame 120, The layered structure (S) may be formed by laminating a soft layer and a hard layer in a state where the layered structure (S) is present.

More specifically, the layered structure (S) may be formed by a multilayer sheet including a hard layer constituting the first lid layer and a soft layer constituting the second lid layer integrally with the hard layer have.

For this purpose, after softening the hard layer and the multilayer sheet (for example, Model TRACK B, manufactured by FORESTADENT, Germany) laminated on the hard layer and including the soft layer integrated with the hard layer, the core frame 120 The first tooth model M1 in which the core frame 120 is disposed is placed on the first tooth model M1 so that the shape of the first tooth model M1 is transferred to the first and second tooth layers M1, And the double-layered sheet is integrated on the outside of the core frame 120. Examples of the material constituting the hard layer include PETG material, and examples of the material constituting the soft layer include EVA material and TPU material, but the specific material is not limited to the above-mentioned kind.

The model name TRACK B of Germany FORESTADENT, which is an example of the above-mentioned multilayer sheet, can be softened by heat. When the multilayer sheet is stamped on the first tooth model M1 in which the core frame 120 is disposed, Can be molded. The layered structure S described above can be manufactured using a thermocompression transfer apparatus (for example, model TRACK, manufactured by FORESTADENT, Germany).

The layered structure S may be formed by sequentially stacking the soft layer and the hard layer as described above. More specifically, the layered structure may be manufactured by forming a second cover layer and forming a first cover layer.

The second cover layer may be formed in a shape such that the shape of the first tooth model M1 in which the core frame 120 is disposed is a soft sheet forming the second cover layer (for example, model TRACK E, manufactured by FORESTADENT, Germany) And the soft sheet is adhered to the first tooth model M1 on which the core frame 120 is disposed so that the core frame 120 and the soft sheet are integrated with each other .

The first cover layer may be formed of a rigid hard sheet that forms the first cover layer (for example, model name TRACK, manufactured by FORESTADENT, Germany), the shape of the first tooth model covered with the core frame 120 and the soft sheet The hard sheet is closely contacted with the first tooth model M1 covered with the core frame 120 and the soft sheet so that the hard sheet is integrated with the outside of the soft sheet .

The process of forming the first cover layer and the second cover layer may also be performed using the above-described thermocompression transfer apparatus (for example, TRACK, model name of FORESTADENT, Germany).

The above-described duplex sheet, the hard sheet and the soft sheet are thermoplastic, softly softened so as to be able to be formed by applying heat, and pressed when pressed against the tooth model to form a sheet, )to be.

The core frame 120 and the layered structure S are stacked on the first tooth model M1 so as to form the above-mentioned facing grooves 113a and 113b on the outer surface of the cover frame When the second tooth model M2 is drawn on the outer surface of the layered structure S corresponding to the occlusal relationship between the upper and lower jaws in a state in which the bite groove 110 is disposed on the outer surface of the lid base 110, (113a, 113b) can be formed, whereby the occlusion relationship between the upper and lower teeth can be popular.

The bite grooves 113a and 113b are formed in a state where the layered structure S is softened, that is, at a temperature state where molding is possible. The bite grooves 113a and 113b are formed immediately after the layered structure S is formed. 17, the second tooth model M2 is formed in the layered structure (S) while the first tooth model M1 is covered with the core frame 120 and the layered structure S, S to the second tooth model M2 by rotating the link bar L (see Figs. 12 to 15) of the joint link device downward so as to be stamped on the surface of the second tooth model M2, The tooth part of the tooth model M2, particularly the tip of the teeth, is stamped on the surface of the layered structure S to form the grooves 113a and 113b on the surface of the layered structure S as shown in FIG. do.

18, the layered structure S integrated with the core frame 120 is separated from the first tooth model M1, the layered structure S is cut, the surface is trimmed, and the like And then the outer surface of the cover frame 110 is closed in an arch shape, an arch-shaped iron type dental instrument 100 can be completed.

As described above, the removable dental instrument may be manufactured using a tooth model of a wearer (user) as described above, or a three-dimensional (3D) model of a removable dental instrument designed on a computer using CAD / And the shape data may be transmitted to the three-dimensional molding machine to be manufactured in the three-dimensional molding machine.

It will be apparent to those skilled in the art that the present invention can be embodied in other specific forms without departing from the spirit or scope of the invention as defined in the appended claims. It is obvious to them.

Therefore, the above-described embodiments are to be considered as illustrative rather than restrictive, and the present invention is not limited to the above description, but may be modified within the scope of the appended claims and equivalents thereof.

100: removable dental mechanism 101: first cover layer
102: second cover layer 110: cover frame
111: lid inner wall 112: lid outer wall
113: lid base 110a: tooth binding groove
113a, 113b: facing groove 113c: air groove

Claims (17)

An Arch-shaped removable dental instrument removably mounted on a maxillary or mandibular teeth comprising a dental arch, comprising:
A laminar structure comprising a rigid first lid layer and a soft second lid layer provided inside the first lid layer, the lid frame having tooth grooves formed along its longitudinal direction; And
And a rigid hard core frame having teeth contact surfaces of a plurality of teeth of the teeth, the tooth contact surfaces of which have their ends stamped, and which are provided in tooth grooves of the lid frame,
The lid frame includes a lid inner wall forming one side wall of the tooth groove so as to be along the lingual side of the tooth, a lid outer wall constituting the other side wall of the tooth groove to be provided along the front of the tooth, And a cover base connecting the inner wall of the cover and the outer wall of the cover to block the gap between the cover and the cover;
Wherein the lid inner wall is in contact with the lingual side of the tooth, and the lid outer wall is in contact with the entire surface of the tooth. The method according to claim 1,
Wherein the tooth contact surface of the core frame has a shape in which an end portion of the tooth contact surface, which is provided along one of the right teeth of the teeth, along one of the right teeth of the tooth, Dental instrument. 3. The method of claim 2,
A left mouth contact surface having a shape in which at least one end portion of the left tooth teeth is formed so as to be in direct contact with at least one of the left teeth teeth is formed between a left end of the tooth groove and a left end of the core frame; And a umbilical-tooth contact surface having a shape in which at least one end portion of the right teeth is stamped is formed between the right end of the tooth groove and the right end of the core frame so as to be in direct contact with at least one of the right teeth A removable dental appliance. The method according to claim 1,
Wherein the thickness of the anterior cover portion covering the end portion of the anterior portion of the teeth among the removable dental instruments is thicker than the thickness of the posterior molar portion covering the end portion of the rearwardmost of the posterior teeth of the teeth. Instrument. The method according to claim 1,
The first cover layer forming an outer surface of the removable dental mechanism; Wherein the second cover layer is laminated inside the first cover layer to abut the first cover layer and the inner surface of the second cover layer is in contact with the core frame to cover the core frame. Dental instrument. delete The method according to claim 1,
And the second cover layer is in contact with the core frame and the front face of the teeth of the tooth. The method according to claim 1,
And the outer surface of the cover base has a shape in which the relative value of the teeth is stamped. The method according to claim 1,
The cover base comprising: And an air groove formed in a direction intersecting with the longitudinal direction of the lid frame to allow air to pass behind the lid frame, the air groove being interdigitated at the outer surface of the lid base. A method of manufacturing an arch-shaped iron-type dental instrument detachably mounted on a maxillary or mandibular tooth of a dental arch, comprising:
(A) forming a rigid hard core frame having a tooth contact surface in a shape in which a plurality of teeth of the teeth are stamped; And
A cover inner wall constituting one side wall of the tooth groove so as to be provided along the lingual side of the tooth; a cover outer wall constituting the other side wall of the tooth groove to be provided along the front of the tooth; A first hard cover layer and a second hard cover layer are integrally formed on the outer surface of the core frame to cover the core frame by connecting the inner wall and the outer wall of the cover, (B) forming a cover frame of a layered structure having a soft second cover layer provided inside the first cover layer on the outer side of the core frame,
Wherein the step (a) is performed on a tooth model having the same structure as the tooth; Wherein the step (b) includes forming the layered structure for the cover frame outside the core frame with the core frame disposed on the tooth model;
Wherein forming the layered structure comprises:
Softening a multilayer sheet comprising a hard layer constituting the first lid layer and a soft layer laminated on the hard layer and constituting the second lid layer and integrated with the hard layer,
Adhering the double-layered sheet to the tooth model on which the core frame is disposed so that the shape of the tooth model on which the core frame is disposed is transferred to the double-layered sheet at a negative angle, thereby integrating the core frame and the multi- Wherein the step of forming the denture base comprises the steps of: CLAIMS 1. A method of manufacturing an arch-shaped iron-type dental instrument detachably mounted on an upper or lower mandible of a dental arch, comprising:
(A) forming a rigid hard core frame having a tooth contact surface in a shape in which a plurality of teeth of the teeth are stamped; And
A cover inner wall constituting one side wall of the tooth groove so as to be provided along the lingual side of the tooth; a cover outer wall constituting the other side wall of the tooth groove to be provided along the front of the tooth; A first hard cover layer and a second hard cover layer are integrally formed on the outer surface of the core frame to cover the core frame by connecting the inner wall and the outer wall of the cover, (B) forming a cover frame of a layered structure having a soft second cover layer provided inside the first cover layer on the outer side of the core frame,
Wherein the step (a) is performed on a tooth model having the same structure as the tooth; Wherein the step (b) includes forming the layered structure for the cover frame outside the core frame with the core frame disposed on the tooth model;
Wherein forming the layered structure comprises:
The soft sheet is adhered to the tooth model on which the core frame is disposed so that the shape of the tooth model on which the core frame is disposed is transferred to the soft sheet forming the second cover layer at a negative angle, Integrating the frame and the soft sheet;
Wherein the core frame and the tooth model covered with the soft sheet are transferred to the rigid rigid sheet forming the first cover layer at a negative angle, Wherein the hard sheet is bonded to the outside of the soft sheet by tightly bonding the sheet of the hard sheet to the soft sheet. The method according to claim 10 or 11,
A top model having the same structure as that of the teeth is formed on the outer surface of the structure so as to correspond to an occlusal relationship between the upper and lower jaws in a state that the structure of the layered structure covering the core frame is formed on the tooth model. And (c) forming an engaging groove having a shape in which the relative value is formed on the outer surface of the cover base. A method of manufacturing an arch-shaped iron-type dental instrument detachably mounted on a maxillary or mandibular tooth of a dental arch, comprising:
(A) forming a rigid hard core frame having a tooth contact surface in a shape in which a plurality of teeth of the teeth are stamped;
A cover inner wall constituting one side wall of the tooth groove so as to be provided along the lingual side of the tooth; a cover outer wall constituting the other side wall of the tooth groove to be provided along the front of the tooth; A first hard cover layer and a second hard cover layer are integrally formed on the outer surface of the core frame to cover the core frame by connecting the inner wall and the outer wall of the cover, (B) forming a cover frame of a layered structure having a soft second cover layer provided inside the first cover layer on the outer side of the core frame; And
And (c) forming an engaging groove having a shape in which the relative value is formed on the outer surface of the cover base,
Wherein the step (a) is performed on a tooth model having the same structure as the tooth; Wherein the step (b) includes forming the layered structure for the cover frame outside the core frame with the core frame disposed on the tooth model;
In the step (c), an upper face model having the same structure as the tooth face relative to the teeth in a state in which the structure of the layered structure covering the core frame is formed on the tooth model corresponds to the occlusal relationship between the upper and lower teeth And forming an engaging groove having a shape in which the relative value is formed on an outer surface of the cover base by being formed on an outer surface of the structure. The method according to any one of claims 10, 11, and 13,
Wherein the step (a) includes a step (a1) of applying a dental resin to the tooth model to form the tooth contact surface. delete delete The method according to any one of claims 10, 11, and 13,
Further comprising the step of finishing the layered structure to complete the appearance of the lid frame.

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