Tooth model set and multi-layer root canal therapy practice model

Abstract

The utility model provides a tooth model kit and a multi-layer root canal therapy practice model. A hard tissue part of a teaching tooth model is made of a colorless transparent printing material, and a soft tissue part of the teaching tooth model is made of a colored printing material. The hard tissue part of the endodontotomy practice model is made of a non-transparent 3D printing material, and the dental pulp part is made of a colored printing material with the color different from that of the hard tissue part. The dental crown part of the root canal therapy practice model is made of a non-transparent printing material, the dental root part is made of a colorless transparent printing material, and the dental pulp part is made of a colorless transparent adhesive body ground printing material. A dental crown part of the multi-layer root canal therapy practice model is made of a non-transparent printing material, a tooth root part is made of a colorless transparent printing material, a semitransparent colored layer with a preset thickness is arranged at the position, close to a dental pulp part, of the tooth root part, and the dental pulp part is made of a colorless transparent adhesive body ground printing material. The tooth model kit provided by the utility model is higher in simulation degree on teeth, and the simulation result is displayed more clearly.

Description

Technical Field

[0001] This application belongs to the technical field of medical devices, and particularly relates to a dental model set and a multi-layer root canal treatment practice model. Background Art

[0002] Before entering clinical practice, dental students need to have a certain understanding of dental anatomical structures. To avoid risks during clinical practice, they should practice on extracted teeth or simulation practice tools during preliminary internships. Currently, representative high-precision simulated tooth models can be made by extracting teeth with normal anatomical structures from cone-beam computed tomography (CBCT). As a three-dimensional imaging method, CBCT is widely used in stomatology. It can display the three-dimensional structure of dental anatomy, provide a large amount of dental structure information through non-invasive measurements, and provide a large amount of anatomical information of healthy teeth while obtaining imaging information of lesions. Existing digital technologies can perform three-dimensional reconstruction on CBCT information to obtain tooth model files with three-dimensional anatomical structures, and the emergence and improvement of 3D printing technology have made it possible to produce simulated teeth using this type of tooth model. However, the simulated practice models obtained through 3D printing technology currently have a low level of simulation for teeth, affecting the real experience of simulation training. Moreover, after students perform treatment operations using the simulated practice models, the treatment effects on the teeth cannot be clearly shown, resulting in difficulties for teachers to score the results of simulation training.

[0003] Therefore, there is a need in the art for a dental model set with a higher level of simulation and more explicit display of simulation results. Summary of the Utility Model

[0004] In view of the problems existing in the above-mentioned prior art, a dental model set and a multi-layer root canal treatment practice model are proposed. This dental model set and multi-layer root canal treatment practice model have a higher level of simulation and a more explicit display of simulation training results.

[0005] This application provides the following solutions.

[0006] In a first aspect, this application provides a dental model set, including: a teaching tooth model, a pulpotomy practice model, a root canal treatment practice model, and a multi-layer root canal treatment practice model;

[0007] The hard tissue part of the teaching tooth model is made of colorless transparent 3D printing material, and the soft tissue part of the teaching tooth model is made of colored 3D printing material;

[0008] The hard tissue part of the pulpotomy practice model is made of opaque 3D printing material, and the pulp part of the pulpotomy practice model is made of colored 3D printing material with a color different from that of the hard tissue part of the pulpotomy practice model;

[0009] The crown part of the root canal treatment practice model is made of opaque 3D printing material, the root part of the root canal treatment practice model is made of colorless transparent 3D printing material, and the pulp part of the root canal treatment practice model is made of colorless transparent colloidal printing material;

[0010] The crown part of the multi-layer root canal treatment practice model is made of opaque 3D printing material, the root part of the multi-layer root canal treatment practice model is made of colorless transparent 3D printing material, a semi-transparent colored layer with a preset thickness is arranged near the pulp part of the root part of the multi-layer root canal treatment practice model, and the pulp part of the multi-layer root canal treatment practice model is made of colorless transparent colloidal printing material.

[0011] In some possible embodiments, the tooth model set further includes: a dentition model;

[0012] The dentition model is made of transparent soft rubber material, and the dentition model is provided with tooth positions; the tooth positions have preset root grooves for fixing the demonstration tooth model and displaying the root part of the demonstration tooth model.

[0013] In some possible embodiments, the tooth model set further includes: a dentition impression model;

[0014] The dentition impression model is made of rubber-like material, and the dentition impression model is provided with tooth positions; the dentition impression model is used to pour gypsum after the practice tooth module is put in to obtain a dentition gypsum model;

[0015] In the dentition gypsum model, the root part of the practice tooth model is covered by gypsum, and the crown part of the practice tooth model is exposed. The practice tooth model includes a pulpotomy practice model, a root canal treatment practice model or a multi-layer root canal treatment practice model.

[0016] In some possible embodiments, the preset thickness is 0.375 mm - 0.8 mm.

[0017] In some possible embodiments, the preset thickness is 0.5 mm.

[0018] In some possible embodiments, the Shore hardness of the hard tissue part of the demonstration tooth model, the hard tissue part of the pulpotomy practice model, the crown part and the root part of the root canal treatment practice model, and the crown part and the root part of the multi-layer root canal treatment practice model are all between 80 HD - 100 HD;

[0019] The Shore hardness of the soft tissue part of the demonstration tooth model and the pulp part of the pulpotomy practice model are both between 30 HD - 40 HD;

[0020] The hardness of the colorless transparent colloidal printing material is lower than the hardness of the soft tissue part of the demonstration tooth model and the pulp part of the pulpotomy practice model.

[0021] In a second aspect, the present application provides a multi-layer root canal treatment practice model, including: a crown portion, a root portion, and a pulp portion;

[0022] The crown portion of the multi-layer root canal treatment practice model is made of an opaque 3D printing material, the root portion of the multi-layer root canal treatment practice model is made of a colorless transparent 3D printing material, a semi-transparent colored layer with a preset thickness is arranged adjacent to the pulp portion in the root portion of the multi-layer root canal treatment practice model, the color of the colored layer is different from that of other parts of the root portion, and the pulp portion of the multi-layer root canal treatment practice model is made of a colorless transparent colloidal printing material.

[0023] In some possible embodiments, the preset thickness is 0.375 mm - 0.8 mm.

[0024] In some possible embodiments, the preset thickness is 0.5 mm.

[0025] In some possible embodiments, the Shore hardness of both the crown portion and the root portion of the multi-layer root canal treatment practice model is within 80 HD - 100 HD.

[0026] A tooth model set provided by an embodiment of the present application, wherein the teaching tooth model is used to clearly display the hard tissue part and the soft tissue part of the tooth, the pulpotomy practice model is used to assist in practicing pulpotomy, the root canal treatment practice model is used to assist in practicing pulp opening and root canal filling, and the multi-layer root canal treatment practice model is used to assist in practicing pulp opening and root canal preparation. The pulpotomy practice model, the root canal treatment practice model, and the multi-layer root canal treatment practice model provided by the embodiments of the present application are composed of different printing materials for different parts of the tooth, with a higher degree of simulation of tooth tissues, and the simulation training results are more clearly shown by different color printing materials for different parts of the tooth.

[0027] Other advantages of the present application will be explained in more detail in conjunction with the following description and drawings.

[0028] It should be understood that the above description is only an overview of the technical solution of the present application, so as to be able to understand the technical means of the present application more clearly, and thus it can be implemented according to the content of the specification. In order to make the above and other purposes, features, and advantages of the present application more obvious and understandable, the following specifically illustrates the specific implementation manners of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] By reading the following detailed description of the exemplary embodiments, those of ordinary skill in the art will understand the advantages and benefits described herein, as well as other advantages and benefits. The drawings are only for the purpose of illustrating the exemplary embodiments and are not considered to be a limitation of the present application. And throughout the drawings, the same reference numerals are used to denote the same components. In the drawings:

[0030] Figure 1 Schematic diagram of a teaching tooth model provided by an embodiment of the present application;

[0031] Figure 2 Schematic diagram of a pulpotomy practice model provided by an embodiment of the present application;

[0032] Figure 3 Schematic diagram of a root canal treatment practice model provided by an embodiment of the present application;

[0033] Figure 4 Schematic diagram of a multi-layer root canal treatment practice model provided by an embodiment of the present application. Detailed implementation manners

[0034] The exemplary embodiments of the present application will be described in more detail below with reference to the accompanying drawings. Although the exemplary embodiments of the present application are shown in the drawings, it should be understood that the present application can be implemented in various forms and should not be limited by the embodiments set forth herein. On the contrary, these embodiments are provided so that the present application can be more thoroughly understood and the scope of the present application can be completely conveyed to those skilled in the art.

[0035] In the description of the embodiments of the present application, it should be understood that terms such as "including" or "having" are intended to indicate the presence of the disclosed features, numbers, steps, actions, components, parts, or combinations thereof in this specification, and do not exclude the possibility of the presence of one or more other features, numbers, steps, actions, components, parts, or combinations thereof. Terms such as "first", "second", etc. are only used for convenience of description to distinguish the same or similar technical features, and cannot be understood as indicating or implying the relative importance or quantity of these technical features. Thus, the features defined by "first", "second", etc. may explicitly or implicitly include one or more of this feature. In the description of the embodiments of the present application, unless otherwise specified, the meaning of the term "plurality" is two or more than two.

[0036] Unless otherwise specified, " / " means "or", for example, A / B may mean A or B; herein, "and / or" is merely a description of the relationship between associated objects, indicating that there can be three relationships. For example, A and / or B may mean: A exists alone, A and B exist simultaneously, and B exists alone. For the convenience of description, spatial relationship terms such as "under", "below", "above", "on", etc. may be used herein to describe the relationship between an element or feature shown in the drawings and other elements or features. It will be understood that these spatial relationship terms are intended to include other directions of the device in use or operation in addition to the directions depicted in the drawings.

[0037] It should also be noted that, without conflict, the embodiments in this application and the features in the embodiments can be combined with each other. The following will describe this application in detail with reference to the accompanying drawings and in combination with the embodiments.

[0038] The dental model kit provided by the embodiment of this application includes: as Figure 1 shown, a teaching dental model, as Figure 2 shown, a pulpotomy practice model, as Figure 3 shown, a root canal treatment practice model, and as Figure 4 shown, a multi-layer root canal treatment practice model.

[0039] As Figure 1 shown, the hard tissue part 11 of the teaching dental model provided by the embodiment of this application is made of colorless and transparent 3D printing material, and the soft tissue part 12 of the teaching dental model is made of colored 3D printing material. It should be noted that since the hard tissue part 11 of the teaching dental model in this application is made of colorless and transparent 3D printing material, when using the teaching dental model provided in this application, the soft tissue part of the dental model composed of colored 3D printing material can be directly observed, that is, the dental pulp structure of the tooth can be directly observed, which is convenient for users to understand and learn the dental pulp structure of the tooth.

[0040] As Figure 2 shown, the hard tissue part 21 of the pulpotomy practice model provided by the embodiment of this application is made of opaque 3D printing material, and the dental pulp part 22 of the pulpotomy practice model is made of colored 3D printing material whose color is different from that of the hard tissue part 21 of the pulpotomy practice model. It should be noted that the pulpotomy practice model can assist users in practicing pulpotomy. Specifically, users can remove part of the dental pulp in the pulpotomy model. Since the color of the dental pulp part 22 is different from that of the hard tissue part 21, after the user completes the pulpotomy, the teacher can clearly observe the removed dental pulp part and the remaining dental pulp part of the user, so as to make a more accurate evaluation of the user's removal result.

[0041] As Figure 3 shown, the crown part 31 of the root canal treatment practice model is made of opaque 3D printing material, the root part 32 of the root canal treatment practice model is made of colorless and transparent 3D printing material, and the dental pulp part 33 of the root canal treatment practice model is made of colorless transparent colloidal printing material. It should be noted that users can practice pulp opening and root canal filling through the root canal treatment model. Specifically, after the user opens the pulp of the root canal treatment practice model, root canal treatment drugs can be filled. Since the root canal treatment drugs are usually colored opaque materials, the part where the root canal treatment drugs are filled can be more clearly observed through the transparent dental pulp part 33 after filling, so that the teacher can make a more accurate evaluation of the user's operation result.

[0042] As Figure 4 shown, the crown part 41 of the multi-layer root canal treatment practice model is made of an opaque 3D printing material, the root part 42 of the multi-layer root canal treatment practice model is made of a colorless and transparent 3D printing material, and a semi-transparent colored layer 43 with a preset thickness is arranged near the pulp part of the root part of the multi-layer root canal treatment practice model. The color of the colored layer is different from that of other parts of the root part. The pulp part 44 of the multi-layer root canal treatment practice model is made of a colorless and transparent colloidal printing material.

[0043] It should be noted that in this application, the user can practice pulp opening and root canal preparation through the multi-layer root canal treatment practice model. When the user practices root canal preparation, a layer of hard tissue needs to be removed from the part of the root part 42 close to the pulp. After the user completes the root canal preparation, the teacher can judge whether the thickness of the root tissue removed by the user is evenly distributed on the cross-section by observing the remaining semi-transparent colored layer 43 with a preset thickness on the cross-section of the root part 42, so that the teacher can evaluate the operation result of the user more accurately. In actual application, the preset thickness of the semi-transparent colored layer 43 is 0.375 mm - 0.8 mm, and preferably the preset thickness of the semi-transparent colored layer 43 is 0.5 mm.

[0044] It should be noted that the tooth model set provided in the embodiments of this application can be used in the teaching field of tooth operations and can also be used to assist in evaluating the treatment effect of patients' teeth in clinical practice. The embodiments of this application do not make any limitations here. For example, the root canal treatment operation can be carried out using the tooth model set corresponding to the patient's teeth, and the root canal treatment effect can be evaluated based on the tooth model set after the root canal treatment operation.

[0045] It can be seen from this that the tooth model set provided in the embodiments of this application, in which the teaching tooth model is used to clearly display the hard tissue part and soft tissue part of the tooth, the pulpotomy practice model is used to assist in practicing pulpotomy, the root canal treatment practice model is used to assist in practicing pulp opening and root canal filling, and the multi-layer root canal treatment practice model is used to assist in practicing pulp opening and root canal preparation. The pulpotomy practice model, root canal treatment practice model, and multi-layer root canal treatment practice model provided in the embodiments of this application are composed of printing materials of different materials to form different parts of the tooth, with a higher degree of simulation of tooth tissues, and the simulation training results are more clearly displayed by using printing materials of different colors to form different parts of the tooth.

[0046] As a possible implementation manner, the tooth model kit provided by the embodiments of the present application further includes a dental arch model. The dental arch model is made of a transparent soft rubber material, and the dental arch model is provided with tooth positions; the tooth positions have preset root grooves, and the preset root grooves are used to fix the teaching tooth model and display the root part of the teaching tooth model. The dental arch model in the present application can clearly show the shape of the teaching tooth model it fixes and the pulp structure inside the teaching tooth model.

[0047] As a possible implementation manner, the tooth model kit further includes a dental arch impression model. The dental arch impression model is made of a rubber-like material, and the dental arch impression model is provided with tooth positions. The dental arch impression model is used to pour gypsum after the practice tooth module is placed in it to obtain a dental arch gypsum model. In the dental arch gypsum model, the root part of the practice tooth model is covered by gypsum, and the crown part of the practice tooth model is exposed. The practice tooth model includes a pulpotomy practice model, a root canal treatment practice model or a complex root canal treatment practice model.

[0048] It should be noted that the hard tissue part 21 of the pulpotomy practice model, the crown part 31 of the root canal treatment practice model, and the crown part 41 of the complex root canal treatment practice model are all made of opaque materials. Therefore, after the above practice tooth models are placed in the dental arch impression model to make a dental arch gypsum model, the user cannot observe the internal situation of the tooth model through the appearance, which is beneficial to simulating a real tooth environment and testing the user's understanding of the tooth structure.

[0049] In the embodiments of the present application, the Shore hardness of the hard tissue part of the teaching tooth model, the hard tissue part of the pulpotomy practice model, the crown part and the root part of the root canal treatment practice model, and the crown part and the root part of the complex root canal treatment practice model can be 80HD - 100HD, such as 85HD. The Shore hardness of the soft tissue part of the teaching tooth model and the pulp part of the pulpotomy practice model can be 30HD - 40HD, such as 35HD. In actual applications, the colorless transparent colloidal printing material in the present application is used to simulate the soft tissue of the pulp, and the hardness of the colorless transparent colloidal printing material is lower than that of the soft tissue part of the teaching tooth model and the pulp part of the pulpotomy practice model.

[0050] In summary, the tooth model kit provided in the embodiments of the present application includes a teaching tooth model for clearly displaying the hard tissue part and soft tissue part of teeth, a pulpotomy practice model for assisting in practicing pulpotomy, a root canal treatment practice model for assisting in practicing pulp chamber opening and root canal filling, and a multi-layer root canal treatment practice model for assisting in practicing pulp chamber opening and root canal preparation. The pulpotomy practice model, root canal treatment practice model, and multi-layer root canal treatment practice model provided in the embodiments of the present application are composed of printing materials of different materials to form the pulp part, crown part, and root part of the tooth, with a higher degree of simulation of tooth tissues. Moreover, in the multi-layer root canal treatment practice model, a semi-transparent colored layer with a preset thickness is provided at the root part of the tooth, which can more clearly display the simulation training results.

[0051] Based on the tooth model kit provided in the above embodiments, the present application also provides a multi-layer root canal treatment practice model.

[0052] As Figure 4 shown, the multi-layer root canal treatment practice model provided in the embodiments of the present application includes: a crown part, a root part, and a pulp part. The crown part of the multi-layer root canal treatment practice model is made of an opaque 3D printing material, the root part of the multi-layer root canal treatment practice model is made of a colorless transparent 3D printing material, a semi-transparent colored layer with a preset thickness is provided adjacent to the pulp part at the root part of the multi-layer root canal treatment practice model, the color of the colored layer is different from that of other parts of the root part, and the pulp part of the multi-layer root canal treatment practice model is made of a colorless transparent colloidal printing material.

[0053] As a possible implementation manner, the preset thickness of the semi-transparent colored layer in the embodiments of the present application is 0.375 mm - 0.8 mm. As an example, the preset thickness is 0.5 mm. In actual applications, the Shore hardness of the crown part and root part of the multi-layer root canal treatment practice model can be 80 HD - 100 HD.

[0054] In summary, the multi-layer root canal treatment practice model provided in the embodiments of the present application is used to assist in practicing pulp chamber opening and root canal preparation. The multi-layer root canal treatment practice model provided in the embodiments of the present application is composed of printing materials of different materials to form the pulp part, crown part, and root part of the tooth, with a higher degree of simulation of tooth tissues. Moreover, in the multi-layer root canal treatment practice model, a semi-transparent colored layer with a preset thickness is provided at the root part of the tooth, which can more clearly display the simulation training results.

[0055] Although the illustrative embodiments of the present application have been described in detail in the drawings and the foregoing description, they should be considered illustrative rather than restrictive. It should be understood that only certain exemplary embodiments have been shown and described and all variations and modifications that fall within the spirit of the claimed application are desired to be protected. It should be understood that although words such as "preferred", "preferably", "more preferred" or "even more preferred" are used in the foregoing description to indicate that the features so described may be more desirable, they may not be necessary and embodiments without these features may be contemplated as being within the scope of the present application, which is defined by the appended claims. When reading the claims, when words such as "a", "an", "at least one" or "at least a portion" are used, the claims are not intended to be limited to one item unless specifically stated to the contrary in the claim. When the language "at least a portion" and / or "a portion" is used, the item may include a portion and / or the whole item unless specifically stated to the contrary.

[0056] Although the spirit and principles of the present application have been described above with reference to several specific embodiments, it should be understood that the present application is not limited to the specific embodiments disclosed, and the division of each aspect does not mean that the features in these aspects cannot be combined. The present application is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.

Claims

1. A tooth model set, characterized in that: include: Teaching tooth model, pulpotomy training model, root canal therapy training model and multi-layer root canal therapy training model; The hard tissue part of the teaching tooth model is a colorless and transparent 3D printing material, and the soft tissue part of the teaching tooth model is a colored 3D printing material; The hard tissue portion of the pulpotomy training model is an opaque 3D printing material, and the pulp portion of the pulpotomy training model is a colored 3D printing material having a color different from that of the hard tissue portion of the pulpotomy training model; The crown part of the root canal therapy practice model is an opaque 3D printing material, the root part of the root canal therapy practice model is a colorless transparent 3D printing material, and the pulp part of the root canal therapy practice model is a colorless transparent colloid printing material; The crown portion of the multi-layer root canal therapy practice model is an opaque 3D printing material, the root portion of the multi-layer root canal therapy practice model is a colorless and transparent 3D printing material, the root portion of the multi-layer root canal therapy practice model is adjacent to the pulp portion and a translucent colored layer of a preset thickness is provided, and the pulp portion of the multi-layer root canal therapy practice model is a colorless and transparent colloid printing material.

2. The tooth model kit according to claim 1, characterized in that: The tooth model kit also includes: a dentition model; The dentition model is made of a transparent soft rubber material, and the dentition model is provided with tooth positions; the tooth positions have preset root grooves, and the preset root grooves are used to fix the teaching tooth model and display the root part of the teaching tooth model.

3. The tooth model kit according to claim 1, characterized in that: The tooth model kit also includes: a negative model of dentition; The negative dentition model is made of a rubber material and is provided with tooth positions; the negative dentition model is used to pour plaster after the practice tooth module is placed in order to obtain a dentition plaster model; The tooth roots of the training tooth model in the dental arch plaster model are covered by plaster, and the tooth crowns of the training tooth model are exposed. The training tooth model includes the pulpotomy training model, the root canal therapy training model, or the multi-layer root canal therapy training model.

4. The multi-layer root canal therapy practice model according to claim 1, characterized in that: The preset thickness is 0.375mm-0.8mm.

5. The multi-layer root canal therapy practice model according to claim 1, characterized in that: The preset thickness is 0.5 mm.

6. The tooth model kit according to claim 1, characterized in that: The hard tissue part of the teaching tooth model, the hard tissue part of the pulpotomy training model, the crown and root of the root canal therapy training model, and the crown and root of the multi-layer root canal therapy training model all have a Shore hardness of 80HD-100HD; The Shore hardness of the soft tissue part of the teaching tooth model and the pulp part of the pulpotomy training model are both 30HD-40HD; The hardness of the colorless transparent colloid printing material is lower than the hardness of the soft tissue part of the teaching tooth model and the pulp part of the pulpotomy training model.

7. A multi-layer root canal therapy practice model, characterized in that: include: The crown, root and pulp of the tooth; The crown portion of the multi-layer root canal therapy practice model is an opaque 3D printing material, the root portion of the multi-layer root canal therapy practice model is a colorless and transparent 3D printing material, the root portion of the multi-layer root canal therapy practice model is adjacent to the pulp portion and a translucent colored layer of a preset thickness is provided, and the pulp portion of the multi-layer root canal therapy practice model is a colorless and transparent colloid printing material.

8. The multi-layer root canal therapy practice model according to claim 7, characterized in that: The preset thickness is 0.375mm-0.8mm.

9. The multi-layer root canal therapy practice model according to claim 7, characterized in that: The preset thickness is 0.5 mm.

10. The multi-layer root canal therapy practice model according to claim 7, characterized in that: The Shore hardness of the crown and root of the multi-layer root canal therapy training model is 80HD-100HD.

Images