CN220796105U - Training teaching aid for tooth preparation - Google Patents

Abstract

The utility model relates to the technical field of oral cavity, in particular to a training teaching aid for tooth preparation, which comprises a tooth column model and a tooth crown, wherein the tooth column model is printed by a 3D printer according to typical cases selected from the prior real tooth preparation cases, a plurality of teeth are arranged on the tooth column model, at least one tooth is an affected tooth needing tooth preparation, and the prepared affected tooth is matched with the tooth crown by carrying out tooth preparation on the affected tooth. Therefore, the dentition model is printed by the 3D printer according to the typical cases of the previous real dentition preparation case screening, so that the existing actual cases can be simulated, the clinical patients are truly presented, the optimal simulation effect is achieved, and better actual operation is guided.

Description

Training teaching aid for tooth preparation

Technical Field

The utility model relates to the technical field of oral cavity, in particular to a training teaching aid for tooth preparation.

Background

The preparation of the tooth body refers to the technical operations of restoring, reconstructing and reconstructing defects, losing the anatomical shape and physiological functions of human teeth, and trimming the shape of the affected teeth or adjacent teeth by a dental instrument so as to meet the requirements of retention, support, appearance, beauty and functions of the restoration. Meanwhile, in order to obtain the curative effect of long-term stable health, according to the minimally invasive concept, on the premise of ensuring basic requirements of retention support and the like, the fewer the abraded dental tissues are, the more the dental tissues are stored, the more the dental tissues are healthy, so that the implementation of accurate dental preparation is the premise and the guarantee of minimally invasive restoration.

For dentistry, after grasping theoretical knowledge, practice operations are required to be performed more, and training for targeted tooth preparation is performed according to oral conditions of different patients, so that accurate tooth preparation is grasped. The traditional dental restoration experiment teaching adopts a standard dentition model to carry out dental preparation teaching, but in actual clinical work, the standard dentition is difficult to meet, so the training effect makes students difficult to master the minimally invasive restoration concept and the accurate dental preparation technology.

Disclosure of Invention

The utility model aims to provide a training teaching aid for tooth preparation, wherein a dentition model is printed by a 3D printer according to typical cases screened by a conventional real tooth preparation case, so that the conventional actual case can be simulated, a clinical patient is truly presented, the best simulation effect is achieved, and better actual operation is guided, so that the problem that the effect of training by adopting a standard dentition model is limited is solved.

The purpose of the utility model is realized in the following way:

the training teaching aid for tooth preparation comprises a tooth column model and a tooth crown, wherein the tooth column model is printed by a 3D printer according to typical cases selected from previous real tooth preparation cases, a plurality of teeth are arranged on the tooth column model, at least one tooth is an affected tooth needing tooth preparation, and the prepared affected tooth is matched with the tooth crown by carrying out tooth preparation on the affected tooth.

Preferably, the tooth preparation device further comprises a preparation guide plate and a measuring tool, wherein the preparation guide plate is manufactured according to healthy teeth and is used for assisting students in carrying out tooth preparation on the affected teeth, and the measuring tool is used for measuring the affected teeth before and after preparation, so that the accuracy of preparation is ensured.

Preferably, the affected teeth are detachably arranged on the dentition model, the dentition model is provided with grooves at the positions where the affected teeth are arranged, and clamping blocks are arranged at bottoms of the affected teeth corresponding to the grooves.

Preferably, the measuring tool comprises a handle and a measuring head, a rotating piece is arranged between the handle and the measuring head, the rotating piece is rotatably arranged on the handle, and the measuring head is rotatably arranged on the rotating piece;

the handle one side rotates and is provided with the side door, and the handle rotates in the side door and is provided with the bull stick to the bull stick bottom is provided with the sucking disc, and the bottom height of side door equals the bottom height of sucking disc, thereby plays the supporting role to the handle through the sucking disc with the handle is fixed and the cooperation side door, thereby through rotating measuring head and rotating the piece and measure the width and the thickness of suffering from the tooth.

Preferably, two groove rails are symmetrically arranged at the top of the measuring head, movable measuring plates are arranged in each groove rail, connecting rods penetrate the groove rails to be in threaded connection with the measuring plates, and the measuring plates are driven to move by rotating the connecting rods.

Preferably, the tooth column model comprises a tooth column model body, and is characterized by also comprising an operation table, wherein a lug is arranged on the operation table, a limit column is arranged on one side of the tooth column model, and the bottom of the limit column is opened and sleeved outside the lug;

or/and, the operation table is provided with a convex strip, one side of the convex strip is provided with a limiting plate, the inner side contour of the limiting plate is matched with the outer side contour of the dentition model, and the bottom of the dentition model is provided with a limiting groove corresponding to the convex strip;

or/and, the operation table is provided with a rotatable support frame, and the top of the support frame is provided with a placing groove for placing the turbine mobile phone.

Compared with the prior art, the utility model has the following outstanding and beneficial technical effects:

1. the dentition model is printed by the 3D printer according to the typical cases of the previous real dentition preparation case screening, so that the existing actual cases can be simulated, the clinical patients are represented most truly, the optimal simulation effect is achieved, and better actual operation is guided.

2. According to the utility model, different suffering teeth can be arranged through the detachable arrangement of the suffering teeth, so that the suffering teeth can be replaced, and different suffering teeth can be trained.

3. According to the utility model, through the arrangement of the sucker and the side door, the measuring tool can be fixed on the tabletop, so that the measuring tool is not held by hands all the time, and the measuring tool is more convenient.

4. According to the utility model, the dentition model is fixed by arranging the operation table and matching with the convex blocks or/and the convex strips or/and the limiting plates, so that the dentition model is prevented from moving during measurement or dentition preparation.

5. According to the utility model, the turbine handpiece is placed and supported by arranging the operation table and matching with the support frame.

Drawings

Fig. 1 is a schematic view of the structure of a dentition model and a crown.

Fig. 2 is a schematic diagram of the structure of a dentition model and an affected tooth.

Fig. 3 is a schematic structural view of the operation table.

Fig. 4 is a schematic structural view of the measuring tool.

Fig. 5 is a schematic structural view of the use state of the measuring tool.

Fig. 6 is a schematic cross-sectional view of a measuring tool.

FIG. 7 is a second schematic cross-sectional view of the measuring tool.

Reference numerals: 1-dentition model; 11-grooves; 12-limiting columns; 13-a limit groove; 2-dental crowns;

3-suffering from tooth; 4-measuring means; 41-a handle; 411-pole three; 412-positioning bead three; 42-measuring head;

421-grooved rail; 422-connecting rod; 43-a rotating member; 431—a connection station; 432-positioning bead one;

44-side door; 45-rotating rod; 46-sucking disc; 47-adjusting member; 471-second pole; 472-positioning a second bead;

48-supporting rods; 481-positioning bead four; 49-measuring plate; 491—an indicator lever; 5-an operation table; 51-bump; 52-convex strips; 53-limiting plates; 54-supporting frame.

Detailed Description

The following describes the embodiments of the present utility model in further detail with reference to the accompanying drawings.

As shown in fig. 1 to 7, the training aid for tooth preparation comprises a tooth row model 1 and a tooth crown 2, wherein the tooth row model 1 is printed by a 3D printer according to the previous patient cases, a plurality of teeth are arranged on the tooth row model 1, at least one tooth is an affected tooth 3 needing tooth preparation, and the prepared affected tooth 3 is matched with the tooth crown 2 by carrying out tooth preparation on the affected tooth 3.

The preparation of the affected teeth 3 is performed by using a turbine handpiece, and the turbine handpiece is a common medical instrument in dental treatment and is matched with a needle to prepare the affected teeth 3. And the actual dental preparation case is obtained by scanning the oral cavity of the patient by a computer.

Therefore, in the actual use process, the 3D printer prints the dentition model according to the typical cases screened by the prior real dentition preparation cases, so that the prior actual cases can be simulated, the clinical patients are truly presented, the optimal simulation effect is achieved, and better actual operation is guided.

The tooth preparation training teaching aid further comprises a preparation guide plate and a measuring tool 4, wherein the preparation guide plate is manufactured according to healthy teeth and is used for assisting students in preparing the tooth of the patient 3 and observing a preparation space, and the measuring tool 4 is used for measuring the patient 3 before and after preparation, so that the preparation accuracy is ensured.

Therefore, in the actual use process, after the tooth preparation is finished, the preparation guide plate can be covered to see whether the prepared affected tooth 3 is matched with the preparation guide plate.

Also as shown in fig. 4-7, the structure of the measuring tool 4 is: first, the measuring tool 4 includes a handle 41 and a measuring head 42, with a rotating member 43 provided between the handle 41 and the measuring head 42, and the rotating member 43 is rotatably provided on the handle 41, and the measuring head 42 is rotatably provided on the rotating member 43.

Next, a side door 44 is rotatably provided on one side of the handle 41, a rotating rod 45 is rotatably provided on the side door 44 of the handle 41, a suction cup 46 is provided on the bottom of the rotating rod 45, and the bottom of the side door 44 is equal to the bottom of the suction cup 46.

Thus, in the actual use process, the handle 41 is fixed by the sucker 46 and is matched with the side door 44 so as to play a supporting role on the handle 41, and the width and the thickness of the suffering tooth 3 are measured by rotating the measuring head 42 and the rotating piece 43. The measuring tool 4 can be fixed on the table top, so that the measuring tool is not held by hands, i.e. the measuring tool is not held by hands, thereby being more convenient.

And more specifically, the position of the handle 41 is fixed by sucking through the sucking disc 46, and the side door 44 is matched, so that better support and limit are achieved.

And when the position is fixed, the handle 41 is horizontally arranged, so that the measuring head 42 needs to be rotated, the measuring head 42 can be changed from horizontal to vertical through the rotation setting of the rotating piece 43, and then the width and the thickness of the affected tooth 3 need to be measured, so that the measuring direction of the measuring head 42 can be changed through the rotation setting of the measuring head 42, and the width and the thickness of the affected tooth 3 can be measured.

And the structure between the measuring head 42 and the rotating member 43 is: first, the rotating member 43 is provided with a connecting table 431, the measuring head 42 is sleeved outside the connecting table 431 and rotates around the connecting table 431, positioning beads 432 are symmetrically arranged on two sides of the connecting table 431, four positioning grooves I are uniformly formed in the inner side of the measuring head 42, the positioning beads 432 are located in the positioning grooves I to limit the position, and the positioning beads 432 are located in different positioning grooves I to rotate. The first positioning bead 432 comprises a shell and a ball body arranged at an opening of the shell, a spring is arranged between the shell and the ball body, and the ball body stretches and contracts through the spring.

As shown in fig. 4 to 7, the structure of the measuring head 42 is various, and different measuring structures can be adopted, and a structure in which two measuring plates 49 are movable is adopted, and the specific structure is as follows: first, two groove rails 421 are symmetrically arranged on the top of the measuring head 42, and each groove rail 421 is internally provided with a movable measuring plate 49, and a connecting rod 422 penetrates into the groove rail 421 to be in threaded connection with the measuring plate 49.

Thus, in actual use, the measuring plate 49 is moved by rotating the connecting rod 422, which may be similar to a screw or a structure between a screw and a nut-and-socket.

Furthermore, a side of the measuring head 42 is provided with graduations, and the measuring plate 49 is provided with an indicator lever 491 corresponding to the side, thereby making the reading more accurate.

As shown in fig. 4 to 7, in order to measure the patient's teeth 3 at different positions without adjusting the handle 1, an adjusting member 47 is provided between the handle 41 and the rotating member 43, and the adjusting member 47 is rotatably provided on the handle 41, and the rotating member 43 is rotatably provided on the adjusting member 47, and the adjusting member 47 is horizontally rotated, and the rotating member 43 is vertically rotated, and the patient's teeth 3 at different positions can be measured by the rotation of the adjusting member 47.

Thus, during actual use, the patient's teeth 3 at different positions can be measured by the rotation of the adjusting member 47.

Wherein the structure between the adjusting member 47 and the rotating member 43 is: first, the second lever 471 passes through the adjusting member 47 and the rotating member 43, and the second lever 471 is fixed to the adjusting member 47 and provided with the second positioning beads 472, meanwhile, four second positioning grooves are uniformly formed in the inner side of the rotating member 43, and the second positioning beads 472 are located in the second positioning grooves to limit the positions, and the second positioning beads 472 are located in different second positioning grooves to rotate.

The structure between the adjusting member 47 and the handle 41 is: first, the third rod 411 passes through the adjusting member 47 and the handle 41, and the third rod 411 is fixed with the handle 41 and provided with the third positioning beads 412, meanwhile, at least eight third positioning grooves are uniformly formed on the inner side of the adjusting member 47, the third positioning beads 412 are located in the third positioning grooves to limit the positions, and the third positioning beads 412 are located in different third positioning grooves to rotate.

And the structures of the second positioning bead 472 and the third positioning bead 412 are basically identical to those of the first positioning bead 432.

As shown in fig. 4 to 7, the adjusting member 47 is provided with a movable supporting rod 48, and the bottom of the supporting rod 48 is equal to the bottom of the suction cup 46. Thus, in the actual use process, the support rods 48 are arranged, so that better support and limit effects are achieved.

The limiting structure of the supporting rod 48 is as follows: first, two sides of the supporting rod 48 are provided with four positioning beads 418, the adjusting piece 47 is provided with a through hole corresponding to the supporting rod 48, and two ends of the through hole are internally provided with four positioning grooves, the four positioning beads 418 are positioned in the four positioning grooves to limit the position, and the four positioning beads 418 are positioned in the four different positioning grooves to move.

And the fourth positioning bead 418 is substantially identical in structure to the first positioning bead 432.

As shown in fig. 2, the affected teeth 3 are detachably disposed on the dentition model 1, so that the affected teeth can be detached by themselves, and the detachment structure is as follows: firstly, a groove 11 is formed in the position where the suffering tooth 3 is arranged on the dentition model 1, and a clamping block is formed at the bottom of the suffering tooth 3 corresponding to the groove 11.

Therefore, in the actual use process, different suffering teeth 3 can be arranged through the detachable arrangement of the suffering teeth 3, and then the different suffering teeth 3 can be replaced to train the different suffering teeth 3, namely, different suffering teeth 3 can be replaced on the dentition model 1 to perform different tooth preparation operations.

As shown in fig. 3, the dental model device further comprises an operation table 5, and a limit structure is arranged between the operation table 5 and the dental model 1, so that the dental model 1 is fixed, and the dental model 1 is prevented from moving during measurement or dental preparation.

The limit structure is various, a bump 51 is arranged on the operation table 5, a limit column 12 is arranged on one side of the dentition model 1, and an opening at the bottom of the limit column 12 is sleeved outside the bump 51. Therefore, in the actual use process, the limit is realized through the matching of the lug 51 and the opening.

Alternatively, the console 5 is provided with a protruding strip 52, a limiting plate 53 is provided on one side of the protruding strip 52, the inner contour of the limiting plate 53 is matched with the outer contour of the dentition model 1, and a limiting groove 13 is provided at the bottom of the dentition model 1 corresponding to the protruding strip 52. Therefore, in the actual use process, the limit is realized through the matching of the raised strips 52 and the raised strips 52, and the limit plate 53 is matched, so that the limit is better.

Or the proposal is adopted, thereby leading the limit effect to be better.

And the turbine handpiece is not very well placed aside when not in use, so the operation table 5 is provided with a rotatable support frame 54, and the top of the support frame 54 is provided with a placement groove 541 for placing the turbine handpiece. Thus, in actual use, the turbine handpiece is placed and supported by the support bracket 54.

And the supporting frame 54 is internally provided with a rotatable supporting rod so as to limit the supporting frame 54, the operating platform 5 is provided with a groove so as to internally arrange the supporting frame 54, and a limiting block is arranged corresponding to the placing groove 541.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. While the utility model is not limited to the above-described embodiments, there are various changes and modifications which fall within the scope of the utility model as hereinafter claimed, without departing from the spirit and scope of the utility model.

Claims (4)

1. Training teaching aid that tooth was prepared, its characterized in that includes: the tooth system comprises a tooth array model (1) and a tooth crown (2), wherein a plurality of teeth are arranged on the tooth array model (1), at least one tooth is an affected tooth (3) which needs to be subjected to tooth body preparation, and the affected tooth (3) can be matched with the tooth crown (2) after the tooth body preparation;

the tooth preparation device also comprises a preparation guide plate and a measuring tool (4), wherein the preparation guide plate is manufactured according to healthy teeth and is used for assisting students in carrying out tooth preparation on the suffering teeth (3), and the measuring tool (4) is used for measuring the suffering teeth (3) before and after preparation so as to ensure the accuracy of preparation;

the measuring tool (4) comprises a handle (41) and a measuring head (42), a rotating piece (43) is arranged between the handle (41) and the measuring head (42), the rotating piece (43) is rotatably arranged on the handle (41), the measuring head (42) is rotatably arranged on the rotating piece (43), and the width and the thickness of the suffering tooth (3) are measured by rotating the measuring head (42) and the rotating piece (43);

the suffering tooth (3) is detachably arranged on the dentition model (1), the dentition model (1) is provided with a groove (11) at the position where the suffering tooth (3) is arranged, and a clamping block is arranged at the bottom of the suffering tooth (3) corresponding to the groove (11).

2. The dental preparation training aid of claim 1, wherein: the handle (41) one side rotates and is provided with side door (44), and handle (41) is provided with bull stick (45) in the rotation of side door (44), and bull stick (45) bottom is provided with sucking disc (46), and the bottom height of side door (44) equals the bottom height of sucking disc (46), thereby through sucking disc (46) with handle (41) fixed and cooperation side door (44) play the supporting role to handle (41).

3. The dental preparation training aid of claim 2, wherein: two groove rails (421) are symmetrically arranged at the top of the measuring head (42), movable measuring plates (49) are arranged in each groove rail (421), connecting rods (422) penetrate into the groove rails (421) to be in threaded connection with the measuring plates (49), and the measuring plates (49) are driven to move by rotating the connecting rods (422).

4. The dental preparation training aid of claim 1, wherein: the tooth column model comprises a tooth column model (1) and is characterized by further comprising an operation table (5), wherein a lug (51) is arranged on the operation table (5), a limit column (12) is arranged on one side of the tooth column model (1), and an opening is formed in the bottom of the limit column (12) and is sleeved outside the lug (51);

or/and, the operation table (5) is provided with a raised line (52), one side of the raised line (52) is provided with a limiting plate (53), the inner side contour of the limiting plate (53) is matched with the outer side contour of the dentition model (1), and the bottom of the dentition model (1) is provided with a limiting groove (13) corresponding to the raised line (52);

or/and, the operation table (5) is provided with a rotatable support frame (54), and a placing groove (541) for placing the turbine mobile phone is formed in the top of the support frame (54).