CN215349601U

CN215349601U - Oral cavity dental prosthesis bridge

Info

Publication number: CN215349601U
Application number: CN202120612432.3U
Authority: CN
Inventors: 夏金凤
Original assignee: Zhongshan Ruifeng Medical Devices Co ltd
Current assignee: Zhongshan Ruifeng Medical Devices Co ltd
Priority date: 2021-03-25
Filing date: 2021-03-25
Publication date: 2021-12-31
Anticipated expiration: 2031-03-25

Abstract

The utility model discloses an oral cavity prosthetic tooth bridge, which comprises two dental crowns arranged at intervals and a prosthetic tooth arranged between the two dental crowns, wherein the lower end of the dental crowns is provided with a notch matched with the shape of a residual tooth, one side of the two dental crowns, which is attached to the prosthetic tooth, is provided with a concave groove, two sides of the prosthetic tooth are clamped into the concave groove, the upper end of the prosthetic tooth is provided with a notch, the side wall of the notch is symmetrically communicated with a movable groove in the left-right direction, a locking block is movably arranged in the movable groove, a locking opening corresponding to the movable groove is arranged in the concave groove, one end of the locking block can be inserted into the locking opening, when the prosthetic tooth needs to be disassembled, a patch is disassembled, a driving piece is operated, so that the locking block can be separated from the locking opening, the prosthetic tooth can be disassembled and cleaned and replaced independently, and the two dental crowns and the prosthetic tooth do not need to be disassembled together, thereby causing no damage to the abutment.

Description

Oral cavity dental prosthesis bridge

Technical Field

The utility model relates to the technical field of medical instruments, in particular to an oral artificial tooth bridge.

Background

An artificial bridge, namely a fixed bridge, is a prosthesis for repairing one or more lost natural teeth in the defect of dentition and recovering the anatomical morphology and physiological function of the natural teeth. The artificial tooth is mainly characterized in that natural teeth at two ends or one end of a missing tooth space are used as abutments, false tooth fixing retainers are manufactured on the abutments and are connected with artificial teeth into a whole, and the false tooth fixing retainers are fixed on the abutments through cement. The existing artificial tooth bridge has some problems, the existing artificial tooth bridge is of an integrated structure, and when the artificial tooth bridge is disassembled, the whole artificial tooth bridge needs to be disassembled together, so that certain damage is caused to abutment teeth.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to an oral abutment bridge to solve the above-mentioned problems of the prior art.

In order to achieve the purpose, the utility model adopts the following scheme: the utility model provides an oral cavity sense bridge, including two crowns that the interval set up and set up two restore the tooth between the crown, the crown lower extreme is equipped with the scarce groove with incomplete tooth shape looks adaptation, two one side of the tooth is all equipped with the depressed groove to the laminating of crown restoration tooth, the both sides of restoration tooth are all blocked in the depressed groove restore the tooth upper end and are equipped with the notch the lateral wall bilateral symmetry intercommunication of notch has movable groove the activity of activity inslot activity is equipped with the locking piece be equipped with in the depressed groove with the locking mouth that the movable groove corresponds, the one end of locking piece can be inserted and is located in the locking mouth be equipped with the driving piece that can drive two locking pieces simultaneously and remove in the notch be provided with can with notch confined paster.

Further, the interval is equipped with vertical post on the activity groove, vertical post sets up in the centre of two locking pieces swing joint has the tourus of activity from top to bottom on the vertical post the rear end of locking piece is connected with the connecting rod, the articulated setting in tourus one side of one end of connecting rod.

Further, the movable groove is provided with a bolt hole corresponding to the ring body, a screw portion of the locking bolt penetrates through the ring body and is in threaded fit with the bolt hole, and a bolt head of the locking bolt abuts against the upper end of the ring body and can drive the ring body to move along the vertical column.

Further, a spring is connected between the annular ring body and the movable groove.

Further, the spring is sleeved outside the vertical column.

Further, the locking block is of a rectangular structure.

In conclusion, the utility model has the beneficial effects that: when the dental prosthesis is installed, the repair tooth is clamped between the two dental crowns, then the locking block moves along the movable groove and extends into the locking hole through the driving piece, so that the repair tooth and the dental crowns are firmly fixed, and finally, the patch is attached; furthermore, when needs dismantle the restoration tooth, dismantle the paster, operate the driving piece to can make the locking piece break away from the locking mouth, and then can be solitary dismantle the restoration tooth and wash and change, need not to dismantle two crowns and restoration tooth three together, thereby can not cause the injury to the abutment.

Drawings

FIG. 1 is a schematic representation of two crowns and prosthetic teeth of the present invention after installation.

FIG. 2 is a schematic cross-sectional view of two crowns and prosthetic teeth of the present invention after installation.

Fig. 3 is a partial cross-sectional schematic view of the present invention.

Description of reference numerals: 1. a crown of a tooth; 2. repairing the teeth; 4. notching; 5. a recessed groove; 6. a notch; 7. a movable groove; 8. a locking block; 9. a locking port; 10. pasting a piece; 21. a vertical column; 22. a torus; 23. a connecting rod; 31. a locking bolt; 32. bolt holes; 33. a bolt head; 41. a spring.

Detailed Description

The following detailed description provides many different embodiments or examples for implementing the utility model. Of course, these are merely embodiments or examples and are not intended to be limiting. In addition, repeated reference numbers, such as repeated numbers and/or letters, may be used in various embodiments. These iterations are for simplicity and clarity of describing the present invention and are not intended to represent a particular relationship between the various embodiments and/or configurations discussed.

Furthermore, spatially relative terms, such as "below" … "," below "," inside-out "," above "," upper "and the like, may be used herein to facilitate describing one element or feature's relationship to another element or feature during use or operation of the device, and may include different orientations of the device during use or operation of the device as illustrated in the figures. The devices may be rotated 90 degrees or other orientations from different orientations and the spatially relative descriptors used therein should be interpreted as such and are not to be construed as limiting the utility model, and the terms "first" and "second" are used for descriptive purposes only and are not intended to indicate or imply relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

The utility model is further described in the following figures and detailed description: an oral cavity dental prosthesis bridge as shown in fig. 1 to 3 comprises two dental crowns 1 arranged at intervals and a repair tooth 2 arranged between the two dental crowns 1, wherein the lower end of the dental crown 1 is provided with a notch 4 matched with the shape of a residual tooth, and the oral cavity dental prosthesis bridge is characterized in that: one side of the two dental crowns 1, which is attached to the repair tooth 2, is provided with a concave groove 5, the two sides of the repair tooth 2 are clamped in the concave groove 5, the upper end of the repair tooth 2 is provided with a notch 6, the side wall of the notch 6 is symmetrically communicated with a movable groove 7, a locking block 8 is movably arranged in the movable groove 7, a locking opening 9 corresponding to the movable groove 7 is arranged in the concave groove 5, one end of the locking block 8 can be inserted in the locking opening 9, a driving piece which can drive the two locking blocks 8 to move simultaneously is arranged in the notch 6, a patch 10 which can seal the notch 6 is arranged in the notch 6, when the device is installed, the repairing tooth 2 is clamped between the two dental crowns 1, then the locking block 8 moves along the movable groove 7 and extends into the locking opening 9 through the driving piece, so that the repairing tooth 2 and the dental crowns 1 are firmly fixed, and finally, the patch 10 is attached; furthermore, when needs dismantle restoration tooth 2, dismantle paster 10, operate the driving piece to can make locking piece 8 break away from locking mouth 9, and then can be solitary dismantle restoration tooth 2 and wash and change, need not to dismantle two

dental crowns

1 and 2 three together, thereby can not cause the injury to the abutment.

Referring to fig. 2, be equipped with vertical post 21 on the activity groove 7 at the interval, vertical post 21 sets up in the centre of two locking pieces 8 swing joint has the tourus 22 of activity from top to bottom on vertical post 21 the rear end of locking piece 8 is connected with connecting rod 23, the one end of connecting rod 23 is articulated to be set up in tourus 22 one side, and then moves down through drive tourus 22, drives locking piece 8 through connecting rod 23 and outwards removes and then insert in the locking mouth 9, and is preferred, and the outer end of locking piece 8 has oblique angle or fillet structure, makes things convenient for locking piece 8 to insert in the locking mouth 9.

Referring to fig. 2 to 3, the locking device further includes a locking bolt 31, a bolt hole 32 is formed in the movable groove 7 corresponding to the ring body 22, a screw portion of the locking bolt 31 penetrates through the ring body 22 and is in threaded fit with the bolt hole 32, a bolt head 33 of the locking bolt 31 abuts against the upper end of the ring body 22 and can drive the ring body 22 to move along the vertical column 21, during installation, the locking bolt 31 penetrates through the ring body 22 and is screwed into the bolt hole 32, at the moment, the bolt head of the locking bolt 31 abuts against the ring body 22, and then the ring body 22 moves downwards, when the locking bolt 31 is locked, the locking block 8 is inserted into the locking opening 9, and the locking device is simple in structure and convenient to install and disassemble.

In the present invention, a spring 41 is connected between the annular body 22 and the movable groove 7, and specifically, the spring 41 is sleeved outside the vertical column 21. Furthermore, when the locking bolt 31 is removed, the ring body 22 can be automatically lifted upwards, so that the locking block 8 is automatically separated from the locking opening 9, and the repair tooth 2 can be conveniently removed.

In the utility model, the locking block 8 is of a rectangular structure, so that the locking block 8 has stronger strength, and the repair tooth 2 is more stably fixed.

The working principle of the utility model is as follows: the two dental crowns 1 are respectively sleeved on the abutment of a patient, the two dental crowns 1 are respectively firmly sleeved in the notch 4, the repairing tooth 2 is clamped in the concave groove 5 of the two dental crowns 1, the locking bolt 31 penetrates through the ring body 22 and is screwed into the bolt hole 32, the bolt head of the locking bolt 31 presses against the ring body 22 at the moment, and then the ring body 22 moves downwards along with the ring body, when the locking bolt 31 is locked, the locking block 8 is inserted into the locking opening 9, the two dental crowns 1 and the repairing tooth 2 are fixed together, and the patch 10 is pasted; similarly, when the repair tooth 2 needs to be disassembled or replaced, the patch 10 is firstly polished and removed, the locking bolt 31 is disassembled, the locking block 8 is separated from the locking port 9, and then the repair tooth 2 is separated from the concave groove 5, so that the disassembly can be realized.

While there have been shown and described the fundamental principles and principal features of the utility model and advantages thereof with reference to the drawings, it will be understood by those skilled in the art that the utility model is not limited to the embodiments described above, which are given by way of illustration of the principles of the utility model, but that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an oral cavity sense bridge, including two dental crowns (1) that the interval set up and set up two repair tooth (2) between dental crown (1), dental crown (1) lower extreme is equipped with scarce groove (4) with incomplete tooth shape looks adaptation, its characterized in that: two one side of dental crown (1) laminating restoration tooth (2) all is equipped with depressed groove (5), the both sides of restoration tooth (2) are all blocked in depressed groove (5) restoration tooth (2) upper end is equipped with notch (6) the lateral wall bilateral symmetry intercommunication of notch (6) has movable groove (7) internalization is equipped with locking piece (8) be equipped with in depressed groove (5) with the corresponding locking mouth (9) of movable groove (7), the one end of locking piece (8) can be inserted and is located in locking mouth (9) be equipped with the driving piece that can two locking pieces of simultaneous drive (8) remove in notch (6) be provided with in notch (6) can with notch (6) confined paster (10).

2. The oral bridge prosthesis of claim 1, wherein: activity groove (7) are gone up the interval and are equipped with vertical post (21), vertical post (21) set up in the centre of two locking pieces (8) swing joint has tourus (22) of activity from top to bottom on vertical post (21) the rear end of locking piece (8) is connected with connecting rod (23), the one end of connecting rod (23) is articulated to be set up in tourus (22) one side.

3. The oral bridge prosthesis of claim 2, wherein: still including locking bolt (31), it is equipped with bolt hole (32) to correspond tourus (22) on activity groove (7), the screw portion of locking bolt (31) passes tourus (22) and with bolt hole (32) screw-thread fit, bolt head (33) of locking bolt (31) support and lean on in tourus (22) upper end and can drive tourus (22) are along vertical post (21) removal.

4. The oral bridge prosthesis of claim 2, wherein: a spring (41) is connected between the ring body (22) and the movable groove (7).

5. The oral bridge prosthesis of claim 4, wherein: the spring (41) is sleeved outside the vertical column (21).

6. The oral bridge prosthesis of claim 1, wherein: the locking block (8) is of a rectangular structure.