CN219557611U - Removable gap-retaining denture - Google Patents

Abstract

The utility model provides a removable clearance keeps artificial tooth, includes connector and artificial tooth body, the artificial tooth body sets firmly on the connector, be equipped with adjacent tooth bearing structure on the opposite both sides of connector, adjacent tooth bearing structure is including being used for encircling in adjacent tooth cheek tongue side and the pointed end gets into the retaining snap ring in undercut district, be used for hugging closely in adjacent tooth appearance high pointAnd the supporting clamping ring does not enter the undercut region. The utility model is characterized in thatThe supporting snap ring fully utilizes the external shape of the adjacent teeth asThe force support is formed by designing a large and thick support clasp to increase the rigidity of a metal material and reduce elastic deformation, so that the biting force can be effectively resisted when a patient bites, the denture is kept from pressing a mucous membrane, the healing of a tooth extraction wound is not influenced, and the biting function of the patient is recovered to the greatest extent; the retaining clasp can make the retaining denture have retaining force to avoid retaining dentureThe dislocation is carried out, so that the retention denture has the advantage of difficult falling off, and the risk of the retention denture being swallowed by mistake and the pharynx being swallowed by mistake is reduced.

Description

Removable gap-retaining denture

Technical Field

The utility model relates to the technical field of tooth clearance retainers, in particular to a removable clearance retaining denture.

Background

Many adult patients often have teeth missing caused by caries, periodontal disease, occlusion wound, trauma and the like, and the teeth missing can only be repaired by dental inlaying or dental implant means, if the teeth missing can not be repaired in time, the adjacent teeth of the missing teeth part and the jaw teeth are shifted to the missing teeth part, and the near-far middle gap and the gap of the missing teeth part are causedThe gingival clearance is reduced, the original occlusion relation is changed, and a series of problems such as reduced occlusion efficiency, oblique displacement of adjacent teeth, temporomandibular joint disorder and the like are caused. Therefore, it is necessary to repair the missing teeth in time, and if the missing teeth cannot be repaired in time, it is important to maintain the missing teeth gap and avoid the displacement of the adjacent teeth and the jaw teeth to the missing teeth area.

Wearing a gap retainer or gap retaining denture is a common means for maintaining a gap between teeth, for example, an improved gap retaining denture disclosed in chinese patent publication No. CN216358597U, which includes a support base for wearing at a tooth-missing site, the support base being provided with an opening for communicating with an affected part when the support base is worn at the tooth-missing site; the denture body for closing the opening is detachably arranged on the supporting seat; the support seat is close to the first support piece that is used for laminating adjacent tooth all is provided with to the both sides that are close to adjacent tooth, first support piece upper end is provided with the second support piece that is used for with adjacent tooth upper end counterbalance.

However, the denture provided by the technical scheme has at least any one of the following defects:

1. the support piece closely attached to the adjacent teeth can only be placed on the undercut of the adjacent teeth, and can resist the biting force when a patient bites, if placed on the undercutThe support piece is too rigid to be in place and cannot preventAn effect on dislocation;

2. the whole gap keeps the false tooth not avoidedTo the dislocated structure, the adhesion force between the false tooth and food is very easy to cause the dislocation of the false tooth when eating, and the risk of swallowing and throat errors is increased;

3. the denture part is connected with the bottom support piece in a clamping groove mode, if the clamping groove is loose and sticky food is eaten, the denture part is easy to stick out and fall off, and the risk of swallowing by mistake and pharynx by mistake is increased;

4. the soft cushion is made of rubber, is easy to age and decompose after being worn in the mouth for a long time, and increases the allergic risk of patients.

In view of the above or any of the shortcomings, the inventors have improved upon existing retention dentures.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model provides the removable gap-retaining denture, which aims to better bear the biting force, reduce the falling risk, reduce the aging and decomposition of materials and facilitate the use of patients.

The technical scheme adopted for solving the technical problems is as follows:

the utility model provides a removable clearance keeps artificial tooth, includes connector and artificial tooth body, the artificial tooth body sets firmly on the connector, be equipped with adjacent tooth bearing structure on the relative both sides of connector, its characterized in that: the adjacent tooth supporting structure comprises a retention snap ring which is used for encircling the cheek tongue side of the adjacent tooth and enabling the tip to enter the undercut region, and a high point which is used for clinging to the shape of the adjacent toothAnd the supporting clamping ring does not enter the undercut region.

In the utility model, the connecting body, the retaining snap ring and the supporting snap ring are made of metal materials or polyether-ether-ketone materials, and the connecting body, the retaining snap ring and the supporting snap ring are in an integrated structure.

In the utility model, the connecting body is provided with a containing groove, one end of the denture body is inserted into the containing groove, one end of the denture body is externally wrapped with a base, and part of materials of the base are filled and fixed in the containing groove.

In the utility model, the connecting body is provided with the connecting bulge which is positioned in the accommodating groove, the connecting bulge and the connecting body are integrally formed, and part of materials of the base are fixedly wrapped on the connecting bulge.

In the utility model, the connecting body is provided with a connecting hole communicated with the accommodating groove, and part of the material of the base is filled in the connecting hole.

In the utility model, the connecting body is provided with continuous protruding teeth, and part of the material of the base extends out of the openings at two sides of the accommodating groove and wraps the continuous protruding teeth.

In the present utility model, the denture body or/and the base is made of a resin material.

In the utility model, each retaining snap ring consists of two retaining claws which are close to the tooth neck and are C-shaped in overlook, the two retaining claws are oppositely arranged, and each retaining claw comprises a retaining snap ring body part with one end connected with a connector and a retaining snap ring tip part connected with the other end of the retaining snap ring body part.

In the utility model, the supporting snap ring consists of two adjacent teethThe face, overlook the shape and be the support jack catch of C shape and constitute, set up relatively between two support jack catches, support the jack catch and include the support clamp ring body portion that one end and connector are connected, connect the support clamp ring tip at the support clamp ring body portion other end.

In the utility model, the side view section of the supporting snap ring is of a flat structure.

The utility model has the beneficial effects that:

1. the utility model arranges a supporting snap ring on the connectorA retaining collar, wherein the supporting collar takes full advantage of the external form of the adjacent teeth asThe force support is formed by designing a large and thick support clasp to increase the rigidity of a metal material and reduce elastic deformation, so that the biting force can be effectively resisted when a patient bites, the denture is kept from pressing a mucous membrane, the healing of a tooth extraction wound is not influenced, and the biting function of the patient is recovered to the greatest extent; the retaining clasp can make the retaining denture have retaining force to avoid retaining denture +.>The dislocation is carried out, so that the retention denture has the advantage of difficult falling off, and the risk of the retention denture being swallowed by mistake and the pharynx being swallowed by mistake is reduced;

2. the lower end of the denture body is provided with a base made of resin material, and the base has similar color with gum, good aesthetic property, good biocompatibility and difficult aging and decomposition after long-term wearing;

3. the front and rear adjacent teeth are tightly held by the two adjacent tooth supporting structures, so that a gap is reserved between the lower end of the retaining denture and the tissue surface of the wound, the compression tooth extraction wound is avoided, and the cleaning is convenient;

4. the connecting body, the retention clasp and the support clasp are of an integrated structure, the denture body is fixed by the base at the same time, then the connecting bulge is wrapped by part of the material of the base and is filled in the connecting hole, so that the stability of connecting all parts of the maintained denture is improved, the risk of falling off the parts of the maintained denture is effectively reduced, and the probability of reducing the swallowing error of the maintained denture is reached.

Drawings

The utility model is further described below with reference to the drawings and embodiments:

fig. 1 is a perspective view of the present embodiment;

FIG. 2 is a perspective view of a connector;

FIG. 3 is a top view of the connector;

FIG. 4 is a bottom view of the connector;

FIG. 5 is a bottom view of the present embodiment;

fig. 6 is a front view of the present embodiment;

fig. 7 is a rear view of the present embodiment;

fig. 8 is a schematic view of a retaining denture in connection with two adjacent teeth.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

Referring to fig. 1 to 8, a removable gap-retaining denture comprises a connecting body 1 and a denture body 2, wherein the denture body 2 is fixedly arranged on the connecting body 1, two opposite sides of the connecting body 1 are provided with adjacent tooth supporting structures, and each adjacent tooth supporting structure comprises a retaining clasp 3 which is used for encircling the lingual side of the adjacent tooth and the tip of which enters an undercut region, and a high point which is used for clinging to the shape of the adjacent toothThe square support snap ring 4 which does not enter the undercut area, the retention snap ring 3 and the support snap ring 4 are uniformly connected to the connector 1 in a one-piece forming way, the connector 1, the retention snap ring 3 and the support snap ring 4 are made of metal materials, the connector 1, the retention snap ring 3 and the support snap ring 4 are of an integrally formed structure, the strength of the whole support structure is high, the rigidity is good, the biting force can be effectively resisted when a patient bites, and deformation is not easy to occur. Of course, in other embodiments, the connector 1, the retaining ring 3 and the supporting ring 4 are made of Polyetheretherketone (PEEK) material, and the connector 1, the retaining ring 3 and the supporting ring 4 are integrally formed.

As a preferred embodiment, the connecting body 1 is a component for connecting the adjacent tooth supporting structures on two sides and the denture body 2, and can support the resultant force applied by the denture body 2 during use, so as to reduce and maintain the deformation of the denture. Further, the connector 1 is of a U-shaped structure, the connector 1 is provided with a containing groove 11, one end of the denture body 2 is inserted into the containing groove 11, one end of the denture body 2 is externally wrapped with the base 5, and part of materials of the base 5 are filled and fixed in the containing groove 11. Still further, the connecting body 1 is provided with a connecting protrusion 12 positioned in the accommodating groove 11 and a connecting hole 13 communicated with the accommodating groove 11; the connecting bulge 12 is positioned below the denture body 2, the connecting bulge 12 and the connecting body 1 are integrally formed, and part of the material of the base 5 is fixedly wrapped on the connecting bulge 12, so that the base 5 is fixed in the connecting body 1. In addition, part of the material of the base 5 is filled in the connecting hole 13, so that the base 5 is fixed in the connecting body 1.

Furthermore, the continuous protruding teeth 14 are disposed on the connector 1, specifically, the continuous protruding teeth 14 are disposed on two opposite sides of the bottom of the connector 1, two continuous protruding teeth 14 and two adjacent tooth supporting structures are distributed in a cross shape, and part of the material of the base 5 extends out of the openings on two sides of the accommodating groove 11 and wraps the continuous protruding teeth 14, so that the quality of the combined connection of the base 5 and the connector 1 is further improved. The connecting body 1 can be conveniently and better combined with the base 5 by arranging the connecting protrusions 12, the connecting holes 13 and the continuous lugs 14, so that the joint quality between the connecting body 1 and the base 5 is improved.

As a preferred embodiment, the denture body 2 is made of resin, i.e. the denture body 2 is made of resin, so that the denture body 2 can have a similar color as the adjacent teeth, thereby improving the aesthetic quality of the maintained denture. The denture body 2 is a substitute of the missing teeth, has a shape similar to the missing teeth, and has the functions of restoring the tooth shape before tooth extraction of the affected teeth, relieving the foreign body sensation of a patient and enabling a user to implement the occlusion function.

As a preferred embodiment, the base 5 is made of a resin material, and the base 5 is preferably made of a pink denture base resin, so that the base 5 has a color similar to that of gums, good aesthetic property, and good biocompatibility of the resin material, and is not easy to age and decompose after long-term wearing. And the base 5 and the denture body 2 are made of resin, so that the base 5 can firmly wrap and fix the denture body 2, and then the denture body 2 and the connecting body 1 are firmly combined, and the denture body 2 is not easy to fall off when bearing the occlusion function. In use, the base 5 is spaced from the tissue of the wound by 0.8-1.2mm, preferably 1mm, so as to keep the denture from pressing on the tissue of the wound in the extraction area and to allow the extraction wound to heal without interference.

As a preferred embodiment, referring to fig. 3, each retaining ring 3 is composed of two retaining claws which are close to the tooth neck and have a C-shaped top view, the two retaining claws are oppositely arranged, each retaining claw comprises a retaining ring body 31 with one end connected with the connecting body 1 and a retaining ring tip 32 connected with the other end of the retaining ring body 31, wherein the length of the retaining ring body 31 occupies about two thirds of the total length of the retaining claw, the strength of the retaining ring body 31 is high, and the retaining ring body 31 does not enter into the undercut region of the adjacent tooth; the length of the retaining ring tip 32 occupies about one third of the total length of the retaining claw, the retaining ring tip 32 is the tip of the retaining ring 3, the retaining ring tip 32 is used for being matched with the root square (inverted concave area) of the adjacent tooth profile, and the retaining ring tip 32 is of a tapered structure gradually shrinking along the direction far away from the retaining ring body 31, so that the retaining ring tip 32 is thinner than the retaining ring body 31, the retaining ring tip 32 can generate certain deformation, and the denture can be kept in place smoothly through the adjacent tooth profile. The retaining clasp 3 fixes the retaining denture in the tooth-missing area by encircling the adjacent teeth and is not easy to move in the cheek tongue direction, and the tip 32 of the retaining clasp 3 enters the high-point root square (the undercut area) of the shape to make the retaining denture difficultThe prescription is dislocated.

As a preferred embodiment, referring to fig. 4, the supporting snap ring 4 is formed by two adjacent teethThe plane, overlook the shape and be C-shaped support jack catch and constitute, set up relatively between two support jack catches, support jack catch include one end with support clamp ring body portion 41 that connector 1 is connected, connect the support clamp ring tip 42 at the other end of support clamp ring body portion 41, support clamp ring body portion 41 accounts for about two thirds of support jack catch total length, support the cardThe ring tip 42 is the tip of the supporting snap ring 4, the supporting snap ring tip 42 occupies about one third of the total length of the supporting claw, the supporting claw 41 of the supporting snap ring 4 is tightly attached to the high point of the adjacent tooth shape +.>The tip does not enter the undercut region, the effect of bearing the meshing force is realized by utilizing the slope of the profile of the undercut region, and the stability of wearing and maintaining the denture is ensured. Further, compared with the retaining snap ring 3, the side view section of the supporting snap ring 4 is of a flat structure, so that the width of the supporting snap ring 4 can be wider and thicker, the connecting position of the supporting snap ring 4 and the connecting body 1 is wider, the rigidity of the supporting snap ring 4 can be maintained to the greatest extent, the elasticity is reduced, the effect of resisting the meshing force is achieved, and the wide base of the supporting snap ring 4 is not easy to shift when the supporting snap ring 4 is stressed. After the denture is kept installed, the supporting clasp 4 is not inserted into the adjacent tooth +.>The surface is not affected by the occlusion function of the adjacent teeth. If the adjacent teeth are->The surface has a natural biting gap, and the supporting snap ring 4 can be extended to the biting gap on the principle that the biting function is not affected, so that the biting force can be better borne, and the design can be flexibly carried out according to the requirement.

The foregoing is only a preferred embodiment of the present utility model, and all technical solutions for achieving the object of the present utility model by substantially the same means are included in the scope of the present utility model.

Claims (10)

1. The utility model provides a removable clearance keeps artificial tooth, includes connector (1) and artificial tooth body (2), artificial tooth body (2) set firmly on connector (1), be equipped with adjacent tooth bearing structure on the both sides that connector (1) are relative, its characterized in that: the adjacent tooth supporting structure comprises a retention snap ring (3) which is used for encircling the lingual side of the adjacent tooth and the tip of which enters the undercut region, and a high point which is used for clinging to the shape of the adjacent toothAnd a supporting clamping ring (4) which does not enter the undercut area.

2. A removable gap-retaining denture as claimed in claim 1, wherein: the connector (1), the retention snap ring (3) and the support snap ring (4) are made of metal materials or polyether-ether-ketone materials, and the connector (1), the retention snap ring (3) and the support snap ring (4) are of an integrated structure.

3. A removable gap-retaining denture as claimed in claim 1, wherein: the connecting body (1) is provided with a containing groove (11), one end of the denture body (2) is inserted into the containing groove (11), a base (5) is wrapped outside one end of the denture body (2), and part of materials of the base (5) are filled and fixed in the containing groove (11).

4. A removable gap-retaining denture according to claim 3, wherein: the connecting body (1) is provided with a connecting protrusion (12) positioned in the accommodating groove (11), the connecting protrusion (12) and the connecting body (1) are integrally formed, and part of materials of the base (5) are fixedly wrapped on the connecting protrusion (12).

5. A removable gap-retaining denture according to claim 3, wherein: the connecting body (1) is provided with a connecting hole (13) communicated with the accommodating groove (11), and part of materials of the base (5) are filled in the connecting hole (13).

6. A removable gap-retaining denture according to claim 3, wherein: the connecting body (1) is provided with continuous protruding teeth (14), and part of materials of the base (5) extend out of openings on two sides of the accommodating groove (11) and wrap the continuous protruding teeth (14).

7. A removable gap-retaining denture according to claim 3, wherein: the denture body (2) and/or the base (5) are/is made of a resin material.

8. A removable gap-retaining denture according to any one of claims 1 to 7, wherein: each retaining snap ring (3) consists of two retaining claws which are close to the tooth neck and are C-shaped in overlook shape, the two retaining claws are oppositely arranged, each retaining claw comprises a retaining snap ring body (31) with one end connected with the connecting body (1) and a retaining snap ring tip (32) connected with the other end of the retaining snap ring body (31).

9. A removable gap-retaining denture according to any one of claims 1 to 7, wherein: the supporting snap ring (4) is formed by two adjacent teethThe face, overlook the shape and be the support jack catch of C shape and constitute, set up relatively between two support jack catches, support jack catch includes support clamp ring body portion (41) that one end and connector (1) are connected, supports clamp ring tip (42) at the other end of support clamp ring body portion (41).

10. A removable gap-retaining denture according to any one of claims 1 to 7, wherein: the side view section of the supporting clamping ring (4) is of a flat structure.