CN109674549B

CN109674549B - False tooth model base

Info

Publication number: CN109674549B
Application number: CN201910045495.2A
Authority: CN
Inventors: 占戈
Original assignee: Hangzhou Jiajie Dental Co ltd
Current assignee: Hangzhou Jiajie Dental Co ltd
Priority date: 2019-01-17
Filing date: 2019-01-17
Publication date: 2022-03-18
Anticipated expiration: 2039-01-17
Also published as: CN109674549A

Abstract

The invention discloses an artificial tooth model base which comprises a base body, an inner plate arranged on the base body and an outer plate arranged on the base body, wherein a containing cavity for placing uncoagulated gypsum is formed between the outer plate and the inner plate, the containing cavity is U-shaped, saw-toothed limiting blocks are arranged on the outer plate and one side of the inner plate close to the containing cavity, and a plurality of first convex blocks with triangular sections and sharp ends extending into the containing cavity are arranged on the outer plate; the middle part of the accommodating cavity is provided with a connecting strip, and both sides of the connecting strip are in a zigzag shape. The containing cavity is used for placing liquid of uncoagulated gypsum, the tooth model is connected with the uncoagulated gypsum, the shape of the gypsum after condensation is matched with the limiting blocks, the gypsum after condensation is integrally taken out and cut according to teeth to be manufactured, and the cut gypsum is reset into the containing cavity; when the gypsum is stressed by force in the left and right directions, the stability of the gypsum is improved through the limiting effect of the limiting block, the first bump and the connecting strip; and the probability of the gypsum swinging left and right is low, and the retention of the gypsum is strong.

Description

False tooth model base

Technical Field

The invention relates to the field of medical instruments, in particular to a denture model base.

Background

At present, in the manufacturing process of the dental false tooth, the occlusion state of the false tooth and the rest teeth of a patient is detected. The upper teeth of the patient are typically connected to one base and the lower teeth of the patient are connected to another base, after which the bite relationship between the teeth on the two bases is tested by means of a dental articulator.

For example, patent No. CN203483534U discloses a base for manufacturing a denture, comprising a base body; the base body is U-shaped and comprises an inner plate and an outer plate, a gum-shaped retention groove is arranged between the inner plate and the outer plate, the retention groove is connected with the inner plate and the outer plate through a connector, and a plurality of positioning holes are uniformly formed in the retention groove; be equipped with the detachable fixed plate on the base body, the shape of fixed plate is corresponding with the shape of base body, is equipped with the position fixing body corresponding with the maintenance ditch on the fixed plate, is equipped with a plurality of pins that can pass the locating hole on the position fixing body.

The base that the above-mentioned patent provided, need be connected tooth model and the gypsum that does not condense between the inner panel and the planking of base with the gypsum that does not condense, after the gypsum condenses, tooth model and the gypsum that condenses are connected and are formed wholly, later take out tooth model and the gypsum that condenses, use the cutting machine to cut according to tooth model and be single tooth position, carry out the interlock relation test in packing into the base with the tooth replacement tooth model of new preparation this moment.

When the occlusion relation is tested, the base only generates a fixing effect on the condensed gypsum through the positioning holes, and the gypsum embedded into the positioning holes is easy to damage, so that the gypsum condensed by the base can shake, teeth in the base can shake easily, and the problem of inaccurate test of the occlusion relation and the adjacency relation is caused.

Disclosure of Invention

In view of the problem of the prior art that the teeth may be shaken, an object of the present invention is to provide a denture model base that reduces the possibility of the teeth being shaken.

In order to achieve the purpose, the invention provides the following technical scheme:

an artificial tooth model base comprises a base body, an inner plate arranged on the base body and an outer plate arranged on the base body, wherein a containing cavity for placing uncoagulated gypsum is formed between the outer plate and the inner plate, the containing cavity is U-shaped, sawtoothed limiting blocks are arranged on the outer plate and one side of the inner plate close to the containing cavity, and a plurality of first convex blocks with triangular sections and sharp ends extending into the containing cavity are arranged on the outer plate; the middle part of the accommodating cavity is provided with a connecting strip, and two sides of the connecting strip are both in a zigzag shape.

Through adopting above-mentioned technical scheme, it is used for putting into the gypsum that does not condense to hold the chamber, be connected tooth model and the gypsum that does not condense, the gypsum condenses the back shape and all cooperates with the stopper, the gypsum after will condensing takes out and cuts according to the tooth, the gypsum after cutting is put into and is held the intracavity, gypsum and stopper cooperation after cutting, the connecting strip produces spacing effect equally to the gypsum after cutting, through the stopper, first lug, the spacing effect of connecting strip, the stability of the tooth of being connected with the gypsum after cutting has been promoted, the probability of gypsum emergence horizontal hunting is little, the fixity of gypsum is strong. The first convex block has a limiting effect on the plaster after cutting, the worker can conveniently recognize the installation positions of different teeth by the first convex block, and the depression on the plaster contacted with the first convex block is larger than the depression generated by the limiting block. Therefore, the probability of installation error is low in the process of installing the plaster by workers, and the probability of damage to the plaster is reduced.

The invention is further provided with: and a second bump with a triangular section and a tip extending into the accommodating cavity is arranged on the inner plate.

Through adopting above-mentioned technical scheme, the second lug produces fixed effect to the gypsum after cutting, and the second lug produces the marking action to the gypsum, and the staff of being convenient for discerns the mounted position of different gypsum.

The invention is further provided with: the first protruding blocks are at least provided with four, the second protruding blocks are at least provided with five, and the first protruding blocks and the second protruding blocks are arranged in a staggered mode.

Through adopting above-mentioned technical scheme, first lug sets up with the second lug is crisscross, so first lug and second lug produce sunken position difference on the gypsum after the condensation, have promoted the structural strength of gypsum.

The invention is further provided with: the base body is detachably provided with a positioning insertion piece which is used for extending into the containing cavity.

Through adopting above-mentioned technical scheme, make the gypsum after the setting fix in holding the intracavity through the location inserted sheet, reduce the probability that the gypsum breaks away from holding the chamber.

The invention is further provided with: the outer plate is provided with a clamping sheet extending into the accommodating cavity.

Through adopting above-mentioned technical scheme, the joint piece sets up on the planking, and the location inserted sheet sets up on the inner panel, produces spacing effect to the gypsum simultaneously through location inserted sheet and joint piece, reduces the probability that the gypsum breaks away from holding the chamber.

The invention is further provided with: the outer plate is provided with a plurality of first marks corresponding to teeth, and the clamping sheet is provided with a plurality of second marks corresponding to the first marks and used for printing on the uncoagulated gypsum.

By adopting the technical scheme, the number of the first marks and the second marks is not less than fourteen. The second indicia is used to print a corresponding number on the uncoagulated gypsum. At first put into the gypsum that does not condense in holding the intracavity, be connected joint piece and planking, the second sign on the joint piece prints out corresponding digit on the gypsum that does not condense this moment, takes out after the gypsum condenses, and the gypsum after will condensing is cut according to the tooth, is printed on the gypsum after cutting corresponding digit, and the position that the gypsum after cutting corresponds can be discerned through the digit to the staff, and the installation gypsum that the staff corresponds reduces the gypsum and is produced the probability of damaging by the dislocation position. The digit on the gypsum after cutting is located the top, and first sign on the planking is located the top of planking, compares in the scheme of the below of the gypsum after condensing of digit seal, and this scheme installation need not to turn over the lower surface of the gypsum after cutting, and the installation is more convenient.

The invention is further provided with: the outer plate is provided with a plurality of fixing sleeves and a plurality of fixing columns which are arranged on the clamping piece and used for penetrating the fixing sleeves, the extending direction of the fixing columns is the same as the extending direction of the first convex blocks, and the fixing columns are circumferentially provided with fixing blocks used for abutting against one ends, far away from the clamping piece, of the fixing sleeves.

Through adopting above-mentioned technical scheme, through passing the fixed column along fixed cover, after the fixed block passed fixed cover, the fixed block produced spacingly to the fixed column to make the joint strip be connected with the planking. Because the extension direction of the fixing column is the same as that of the first bump, the clamping sheet is in contact with the uncoagulated gypsum along the extension direction of the first bump, so that marks corresponding to the second identification can be conveniently printed on the uncoagulated gypsum.

The invention is further provided with: the fixing sleeve is arranged on the outer side of the outer plate.

Through adopting above-mentioned technical scheme, fixed cover sets up in the outside of planking, and the staff's accessible presses the fixed column, makes the fixed column break away from in the fixed cover, and the joint piece is dismantled conveniently. And the attachment of the snap tabs does not affect the uncoagulated gypsum in the holding cavity.

The invention has the following advantages:

1. the connection between the tooth and the substrate is strong;

2. the probability of the gypsum swinging left and right is small, and the fixity of the gypsum is strong.

3. The cut gypsum is conveniently filled into the matrix.

Drawings

FIG. 1 is an overall view of the base;

FIG. 2 is a view showing the structure of the lower part of the base and the positioning insert;

fig. 3 is an enlarged view of the area a in fig. 2.

Reference numerals: 1. a substrate; 2. an inner plate; 3. an outer plate; 4. an accommodating chamber; 5. a limiting block; 6. a first bump; 7. a second bump; 8. a connecting strip; 9. positioning the inserting sheet; 10. inserting grooves; 11. an insertion block; 12. a clip sheet; 13. fixing a sleeve; 14. fixing a column; 15. a fixed block; 16. a first identifier; 17. a second identifier; 18. and (4) a groove.

Detailed Description

The invention is further described with reference to the accompanying drawings.

A denture form base, as shown in fig. 1: including base member 1, set up on base member 1 inner panel 2, set up planking 3 on base member 1, form between planking 3 and the inner panel 2 and hold chamber 4, hold chamber 4 and be the U font. The outer plate 3 and the inner plate 2 are provided with sawtooth-shaped limiting blocks 5 at the side close to the accommodating cavity 4. A positioning groove 18 is arranged in the accommodating cavity 4. Hold chamber 4 and be used for putting into the gypsum that does not condense, be connected tooth model and the gypsum that does not condense, the gypsum condenses back shape and stopper 5 all cooperate, the gypsum after will condensing takes out and cuts according to the tooth, the gypsum after cutting is put into and is held the chamber 4 in, gypsum after cutting cooperates with stopper 5, because all be provided with stopper 5 on inner panel 2 and the planking 3, so inner panel 2 all produces fixed effect to the gypsum after condensing with planking 3, the stability of the tooth of being connected with the gypsum after condensing has been promoted.

At least four first lugs 6 are arranged on the outer plate 3, the cross section of each first lug 6 is triangular, and the tip of each first lug 6 extends into the accommodating cavity 4. At least five second bumps 7 are arranged on the inner plate 2, the cross section of each second bump 7 is triangular, and the tip of each second bump 7 extends into the accommodating cavity 4. The first bumps 6 and the second bumps 7 are protruded out of the limiting block 5, and the first bumps 6 and the second bumps 7 are arranged in a staggered mode. The first bump 6 and the second bump 7 generate a further limiting effect on the set gypsum, and the connectivity between the tooth connected with the set gypsum and the base body 1 is improved.

The middle part of the accommodating cavity 4 is provided with a U-shaped connecting strip 8, and two sides of the connecting strip 8 are both in a zigzag shape. The saw-toothed connecting strip 8 is matched with the set gypsum to generate a limiting effect, and the stability of the teeth is further improved.

As shown in fig. 1 and 2: in order to fix the set gypsum in the receiving chamber 4. The base body 1 is detachably provided with a positioning insertion sheet 9 extending into the accommodating cavity 4. The inner plate 2 is provided with an inserting groove 10, the positioning insertion piece 9 is provided with two L-shaped inserting blocks 11 which are arranged oppositely, the inserting blocks are used for abutting against the inserting groove 10 to be tightly matched, and the positioning insertion piece 9 can be connected with the base body 1 by sliding the inserting blocks 11 on the positioning insertion piece 9 into the inserting groove 10. In the use, fill in the gypsum that does not condense in holding chamber 4, be connected tooth model and the gypsum that does not condense, insert piece 11 on 9 with the location and slide in along inserting groove 10, make location inserted sheet 9 be connected with inner panel 2, after the gypsum condenses, location inserted sheet 9 forms spacing effect to the gypsum after condensing, reduces the probability that the gypsum after condensing breaks away from holding chamber 4.

As shown in fig. 1: the outer plate 3 is provided with a snap tab 12 extending into the receiving cavity 4.

As shown in fig. 2 and 3: be provided with a plurality of fixed covers 13 that set up in 3 outside circumference of planking on planking, a plurality of settings just are used for passing fixed cover 13's fixed column 14 on joint piece 12, fixed column 14 extending direction is the same with first lug 6 extending direction, fixed column 14 circumference is provided with the fixed block 15 that is used for supporting the one end of fixed cover 13 apart from joint piece 12 closely, and the arc is personally submitted to the outside of fixed block 15, and fixed column 14, fixed block 15 and fixed cover 13 are deformable. The clip 12 is connected to the inner plate 2 by passing the fixing post 14 through the fixing sleeve 13. The snap tabs 12 provide a limiting effect on the set gypsum, reducing the probability of the set gypsum escaping from the receiving chamber 4.

As shown in fig. 1: the outer plate 3 is provided with a plurality of first marks 16 corresponding to teeth, the clamping sheet 12 is provided with a plurality of second marks 17, the second marks 17 protrude out of the lower surface of the clamping sheet 12, the first marks 16 and the second marks 17 are both numbers, and the number of the first marks 16 and the number of the second marks 17 are not less than fourteen. The second marking 17 is used to print a corresponding number on the uncoagulated plaster. At first put into the gypsum that does not condense in holding chamber 4, be connected joint piece 12 and planking 3, the second sign 17 on joint piece 12 prints out the digit that corresponds on the gypsum that does not condense this moment, the gypsum takes out after condensing, the gypsum after will condensing is cut according to the tooth, be printed with corresponding digit on the gypsum after cutting, the position that the gypsum after cutting corresponds can be discerned through the digit to the staff, the installation gypsum that the staff corresponds, reduce the gypsum and produce the probability of damaging by the misplaced position. The digit on the gypsum after cutting is located the top, and first sign 16 on planking 3 is located the top of planking 3, compares in the scheme of the below of the gypsum after condensing of digital seal, and this scheme installation need not to turn over the lower surface of seeing the gypsum after cutting, and the installation is more convenient.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.

Claims

1. The utility model provides an artificial tooth model base, includes base member (1), sets up inner panel (2) on base member (1), sets up planking (3) on base member (1), forms between planking (3) and inner panel (2) and is used for putting into the chamber (4) that holds of uncoagulated gypsum, it is the U font to hold chamber (4), characterized by: a sawtooth-shaped limiting block (5) is arranged on one side of the outer plate (3) close to the accommodating cavity (4) and one side of the inner plate (2) close to the accommodating cavity (4), and a plurality of first lugs (6) with triangular sections and sharp ends extending into the accommodating cavity (4) are arranged on the outer plate (3); a positioning groove (18) is arranged in the accommodating cavity (4); the middle part of the accommodating cavity (4) is provided with a connecting strip (8), and both sides of the connecting strip (8) are in a sawtooth shape; the outer plate (3) is provided with a plurality of fixing sleeves (13), a plurality of fixing columns (14) which are arranged on the clamping sheets (12) and used for penetrating through the fixing sleeves (13), the extending direction of the fixing columns (14) is the same as that of the first convex blocks (6), and fixing blocks (15) used for abutting against one ends, far away from the clamping sheets (12), of the fixing sleeves (13) are circumferentially arranged on the fixing columns (14); the base body (1) is detachably provided with a positioning insertion sheet (9) which is used for extending into the accommodating cavity (4); the outer plate (3) is provided with a clamping sheet (12) extending into the accommodating cavity (4); the outer plate (3) is provided with a plurality of first marks (16) corresponding to teeth, and the clamping sheet (12) is provided with a plurality of second marks (17) used for printing the plurality of first marks (16) on the uncoagulated plaster.

2. A denture form base as claimed in claim 1, wherein: and a second bump (7) with a triangular cross section and a tip end extending into the accommodating cavity (4) is arranged on the inner plate (2).

3. A denture form base as claimed in claim 2, wherein: the first bumps (6) are at least four, the second bumps (7) are at least five, and the first bumps (6) and the second bumps (7) are arranged in a staggered mode.

4. A denture form base as claimed in claim 1, wherein: the fixed sleeve (13) is arranged on the outer side of the outer plate (3).