CN218676306U - Autologous tooth transplantation teaching model based on pressure feedback - Google Patents

Abstract

The utility model discloses an autologous tooth transplantation teaching model based on pressure feedback, which comprises a tooth supply model and a tooth socket model; the root part is divided into twelve areas; a pressure sensor is arranged at the shape high point of each of the twelve areas; the bottom of the apex area is also provided with a pressure sensor; the socket model comprises an alveolar bone base, a plurality of simulation teeth are installed on the alveolar bone base, and prefabricated sockets are arranged on the alveolar bone base between the simulation teeth. The utility model discloses a teaching model is a self tooth transplantation teaching model based on pressure feedback. The teaching model comprises a tooth supplying model and a socket model, and can help a lecturer to show how to accurately prepare the socket of the receiving area in the operation in the teaching process so as to provide help for clinical application.

Description

Autologous tooth transplantation teaching model based on pressure feedback

Technical Field

The utility model belongs to medical treatment auxiliary instrument field relates to teaching mode, concretely relates to autologous tooth transplantation teaching mode based on pressure feedback.

Background

The autologous tooth transplantation can restore the dentition loss, maintain the bone mass of the alveolar bone and restore the normal periodontal tissues and tooth proprioception of the affected tooth area. Although the standard operation steps of the autologous tooth transplantation and the theories of dental pulp healing, periodontal ligament healing and root continued development are fully researched and verified, the repeated use of the trial implantation of the supplied tooth during the preparation of the alveolar socket in the clinical affected area can increase the peridental membrane damage probability of the supplied tooth, prolong the time for tooth separation, cause the over-preparation of the alveolar socket when the high point of the alveolar socket is not accurately judged, and bring adverse effects to the success of the autologous tooth transplantation.

In recent years, three-dimensional printing techniques and materials have been widely used in various professions of oral medicine. Different material supplies and socket models can be printed using Fused Deposition Modeling (FDM) or polymer jet technology (PJ). The use model can not only shorten the time for separating the teeth from the body, reduce the periapical membrane damage of the teeth, accurately prepare the alveolar fossa of the affected area, but also has no bad healing performance of the soft and hard tissues of the affected area after the operation.

Since the teaching of the dental implant in the teaching field is already on the trend based on the development and clinical application of the above-mentioned dental implant technique, it is very necessary to prepare a teaching model of the dental implant, and there is no document report.

Disclosure of Invention

Not enough to prior art exists, the utility model aims to provide a teaching model is transplanted to autologous tooth based on pressure feedback, solve teaching model among the prior art and be difficult to realize the technical problem of the teaching effect of autologous tooth transplantation better.

In order to solve the technical problem, the utility model discloses a following technical scheme realizes:

an autologous tooth transplantation teaching model based on pressure feedback comprises a tooth supply model and a tooth socket model;

the tooth supply model comprises a tooth crown part, a tooth neck part and a tooth root part which are integrally arranged, wherein the tooth root part is divided into a root neck area, a root middle area and a root tip area from top to bottom, the tooth root part is divided into a buccal surface, a lingual surface, a near-middle adjacent surface and a far-middle adjacent surface around the axial direction, and the tooth root part is divided into twelve areas, namely a root neck buccal surface area, a root neck lingual area, a root neck near-middle adjacent surface area, a root neck far-middle adjacent surface area, a root middle buccal surface area, a root middle lingual surface area, a root middle-middle near adjacent surface area, a root middle-far adjacent surface area, a root tip buccal surface area, a root tip lingual area, a root tip near-middle adjacent surface area and a root tip far-middle adjacent surface area;

a pressure sensor is arranged at the shape high point of each of the twelve areas;

the bottom of the apex area is also provided with a pressure sensor;

the socket model comprises an alveolar bone base, a plurality of simulation teeth are installed on the alveolar bone base, and prefabricated sockets are arranged on the alveolar bone base between the simulation teeth.

The utility model discloses still have following technical characteristic:

the height of the root neck area, the root middle area and the root tip area is 1/3 of the height of the root of the tooth.

The prefabricated socket is divided into a fusion root type prefabricated socket and a bifurcation root type prefabricated socket.

When the root of the tooth supplying model is in the form of a fusion root, the prefabricated socket is a fusion root type prefabricated socket; when the root of the tooth supplying model is a forked root, the prefabricated socket is a forked root type prefabricated socket.

The pressure sensor adopts a film pressure sensor

The outer diameter of the film pressure sensor is 2mm.

Compared with the prior art, the utility model, following technological effect has:

(I) the utility model discloses a teaching model is a self tooth transplantation teaching model based on pressure feedback. The teaching model comprises a tooth supplying model and a socket model, and can help a lecturer to show how to accurately prepare the socket of the receiving area in the operation in the teaching process so as to provide help for clinical application.

(II) the utility model discloses a teaching model has real function of practicing concurrently and demonstrates the function, can demonstrate the shape of constantly maintaining prefabricated socket in the teaching for it can cooperate better with supplying the tooth model, and pressure feedback through pressure sensor can react this kind of cooperation and reach anticipated target.

(III) the tooth supplying model is repeatedly used for many times, the alveolar socket model is disposable, the application range is wide, consumables are saved, and meanwhile, the tooth supplying model is convenient to process and popularize.

Drawings

FIG. 1 is a schematic view of a perspective of a dental model.

Fig. 2 is a schematic structural view of another perspective of the dental model.

Fig. 3 is a schematic structural view of a dental model in a top view.

Fig. 4 is a schematic view showing a structure of a socket model with a fusion root type prefabricated socket.

Fig. 5 is a schematic view showing a structure of a socket model with a prefabricated socket of a bifurcated root type.

The meaning of the individual reference symbols in the figures is: 1-a tooth supplying model, 2-a tooth socket model, 3-a tooth crown part, 4-a tooth neck part, 5-a tooth root part and 6-a pressure sensor;

201-alveolar bone base, 202-artificial tooth, 203-prefabricated alveolar socket;

20301-fusion root type prefabricated socket, 20302-bifurcation root type prefabricated socket;

501-cervical region, 502-middle region, 503-apical region, 504-buccal surface, 505-lingual surface, 506-mesio-proximal surface, and 507-distal-mesio-proximal surface.

The following examples are provided to explain the present invention in further detail.

Detailed Description

Clinically, when a model of a tooth and an alveolar socket is required to be printed in a 3D mode, preoperative three-dimensional CT data of a patient is required to be collected before printing, three-dimensional reconstruction of a tooth root and an alveolar socket of a receiving area is carried out through computer software, image matching of the tooth root and the alveolar socket of the receiving area is carried out, a site needing to be milled is judged from an overlapped image, and whether the site needing to be milled of the alveolar socket is consistent with a digital image is verified through clinical application. Clinical applications have found that there is still the possibility of blind manipulation of the socket by using only a common model of the donor tooth in preparation of the socket.

Clinically, most of the donor teeth used for autologous tooth transplantation are impacted teeth of patients.

The following embodiments of the present invention are given, and it should be noted that the present invention is not limited to the following embodiments, and all the equivalent transformations made on the basis of the technical solution of the present application all fall into the protection scope of the present invention.

Example (b):

the embodiment provides an autologous tooth transplantation teaching model based on pressure feedback, which comprises a tooth supplying model 1 and an alveolar socket model 2 as shown in fig. 1 to 5.

As shown in fig. 1 to 3, the dental model 1 includes a crown portion 3, a neck portion 4 and a root portion 5 which are integrally provided, the root portion 5 is divided into a root neck region 501, a root middle region 502 and a root tip region 503 from top to bottom, the root portion 5 is axially divided into a buccal surface 504, a lingual surface 505, a mesial adjacent surface 506 and a distal adjacent surface 507, and the root portion 5 is divided into twelve regions of a root neck buccal region, a root neck lingual region, a root neck mesial adjacent region, a root neck distal adjacent region, a root mesial buccal region, a root mesial lingual region, a root mesial proximal adjacent region, a root mesial adjacent region, a root tip buccal region, a root tip lingual region, a root tip mesial adjacent region and a root tip distal adjacent region.

A pressure sensor 6 is arranged at the shape high point of each of the twelve areas;

the pressure sensor 6 is also mounted at the bottom of the apex region 503.

As shown in fig. 4 and 5, the socket model 2 includes an alveolar bone base 201, a plurality of artificial teeth 202 are installed on the alveolar bone base 201, and a prefabricated socket 203 is opened on the alveolar bone base 201 between the artificial teeth 202.

As a preferred aspect of this embodiment, the height of the cervical region 501, the midfoot region 502 and the apical region 503 are each 1/3 of the height of the root portion 5.

As shown in Figs. 4 and 5, as a preferable aspect of the present embodiment, the prefabricated socket 203 is divided into a fusion root type prefabricated socket 20301 and a split root type prefabricated socket 20302.

Furthermore, when the root portion 5 of the dental model 1 is in the form of a fusion root (i.e. generally, the projected area of the maximum cross section is greater than or equal to 2/3 of the projected area of the cross section of the neck portion 4 of the dental model 1), the prefabricated socket 203 is a fusion root type prefabricated socket 20301; when the root portion 5 of the dental model 1 is in the form of a bifurcated root (i.e., generally, the projected area of the maximum cross-section is less than 2/3 of the projected area of the cross-section of the neck portion 4 of the dental model 1), the pre-socket 203 is a bifurcated root-type pre-socket 20302.

As a preferable aspect of the present embodiment, the pressure sensor 6 is a film pressure sensor. Further, the outer diameter of the thin film pressure sensor is 2mm in size.

As a preferred scheme of this embodiment, supply the inside hollow structure of model 1, supply to install the controller in model 1, the lead wire of pressure sensor 6 passes and supplies the tooth main part to link to each other with the input of controller, and the output of controller is connected loudspeaker or a plurality of pilot lamps that correspond one-to-one with pressure sensor 6. In this embodiment, the controller adopts known controller commonly used can, and the concrete control method that the controller passes through the signal control loudspeaker of 6 inputs of pressure sensor and carries out voice broadcast or carry out the pilot lamp and remind all adopts known control method commonly used can.

When the pressure feedback-based autologous tooth transplantation teaching model is used, the type of the prefabricated tooth socket 203 of the tooth socket model 2 is selected through the structural characteristics of the tooth supply model 1, namely when the tooth root 5 of the tooth supply model 1 is in a fusion root shape, the prefabricated tooth socket 203 is the fusion root type prefabricated tooth socket 20301; when the root portion 5 of the dental model 1 is in the form of a bifurcated root, the prefabricated socket 203 is a bifurcated root type prefabricated socket 20302.

And then putting the dental model 1 into the prefabricated socket 203 of the socket model 2 for teaching demonstration, wherein after the dental model is put into the prefabricated socket 203, a part of the pressure sensors 6 in the pressure sensors 6 at the twelve area contour high points are firstly contacted with the side wall of the prefabricated socket 203, when the feedback pressure exceeds a set threshold value, the position of the prefabricated socket 203 corresponding to the area where the pressure sensors 6 are located needs to be adjusted, trimming the side wall of the prefabricated socket 203 at the position, and repeating the trimming until the feedback pressure of the pressure sensors 6 at the twelve area contour high points is less than the set threshold value, which indicates that the trimming of the side wall of the prefabricated socket 203 is finished, and a formed new socket can be matched with the dental model 1.

When the pressure value fed back by the pressure sensor 6 at the bottom of the apical area 503 exceeds a set threshold, it indicates that the bottom of the prefabricated socket 203 is not matched with the bottom of the apical area 503 of the dental model 1, and the dental model 1 needs to be trimmed, and when the pressure is less than the set threshold, it indicates that the trimming is finished, and the new socket can be matched with the bottom of the apical area 503 of the dental model 1.

Claims (6)

1. An autologous tooth transplantation teaching model based on pressure feedback is characterized by comprising a tooth supplying model (1) and a tooth socket model (2);

the tooth supplying model (1) comprises a crown part (3), a neck part (4) and a root part (5) which are integrally arranged, the root part (5) is divided into a root neck area (501), a root middle area (502) and a root tip area (503) from top to bottom, the root part (5) is axially divided into a buccal surface (504), a lingual surface (505), a near middle adjacent surface (506) and a far middle adjacent surface (507), and the root part (5) is divided into a root neck buccal surface area, a root neck lingual surface area, a root neck near middle adjacent surface area, a root neck far middle adjacent surface area, a root middle buccal surface area, a root middle lingual surface area, a root middle near middle adjacent surface area, a root middle far middle adjacent surface area, a root tip buccal surface area, a root tip lingual surface area, a root tip near middle adjacent surface area and a root tip far middle adjacent surface area;

a pressure sensor (6) is arranged at the shape high point of each of the twelve areas;

the bottom of the apex area (503) is also provided with a pressure sensor (6);

the socket model (2) comprises an alveolar bone base (201), a plurality of simulation teeth (202) are installed on the alveolar bone base (201), and prefabricated sockets (203) are arranged on the alveolar bone base (201) between the simulation teeth (202).

2. The pressure feedback-based teaching model for autologous tooth transplantation as claimed in claim 1, wherein the height of the root neck region (501), the mid-root region (502) and the apical region (503) is 1/3 of the height of the root portion (5).

3. The pressure feedback-based dental implant instructional model as claimed in claim 1, wherein said preformed socket (203) is divided into a fused root-type preformed socket (20301) and a bifurcated root-type preformed socket (20302).

4. The pressure feedback-based dental implant instruction model of claim 3, wherein when the root portion (5) of the dental model (1) is in the form of a fusion root, the prefabricated socket (203) is a fusion root type prefabricated socket (20301); when the root part (5) of the tooth supplying model (1) is in a forked root shape, the prefabricated socket (203) is a forked root type prefabricated socket (20302).

5. The teaching model of autologous tooth transplantation based on pressure feedback as claimed in claim 1, wherein the pressure sensor (6) is a membrane pressure sensor.

6. The pressure feedback-based teaching model for autologous tooth transplantation as set forth in claim 5, wherein said membrane pressure sensor has an outer diameter of 2mm.

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