Diseased tooth model for simulating root canal barrier surgery in vitro as well as construction method and application of diseased tooth model

An in vitro simulation and model technology, applied in simulators, teaching models, simulation devices of space navigation conditions, etc., can solve the problem that clinicians are not proficient in root canal barrier surgery, patients have poor surgical results, and materials fail to reach and other problems, to achieve the effect of saving clinical operation time, improving clinical skills, and simple structure

Active Publication Date: 2022-04-08
SICHUAN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The problems that often occur in the current barrier technology are: filling is not dense and sparse; overfilling, a large amount of material exceeds the target position; underfilling, the material fails to reach the target position
This series of problems is closely related to the operation techniques of clinicians, but in reality, there are still a large number of clinicians who are not proficient in root canal barrier surgery, which leads to poor surgical results for patients

Method used

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  • Diseased tooth model for simulating root canal barrier surgery in vitro as well as construction method and application of diseased tooth model
  • Diseased tooth model for simulating root canal barrier surgery in vitro as well as construction method and application of diseased tooth model
  • Diseased tooth model for simulating root canal barrier surgery in vitro as well as construction method and application of diseased tooth model

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Experimental program
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Embodiment 1

[0049] In view of the fact that the existing isolated tooth models are not perfect enough to restore model teeth with thick root canals, this embodiment is optimized to solve the problems existing in the existing models.

[0050] Such as figure 1 , figure 2 , image 3 , Figure 4 As shown, this embodiment discloses an affected tooth model for simulating root canal barrier surgery in vitro, including a model affected tooth 1 and a base 2, the model affected tooth 1 and the base 2 are movably connected, and the model affected tooth 1 is placed on the base The inside of the seat becomes the whole tooth model. The model affected tooth 1 is provided with a model single canal simulating the thick root canal of the affected tooth, and the size of the apical foramen 14 simulates the common immature thick single root canal of the affected tooth in clinical practice. The base is provided with a space (embedded hole 21) for accommodating the single canal root of the model, and a hem...

Embodiment 2

[0056] The content of the above-mentioned embodiment 1 discloses the structure of the affected tooth model for in vitro simulation of the root canal barrier technique, and this embodiment also discloses the method for constructing the affected tooth model of the root canal barrier technique, which is now specifically described:

[0057] Step 1: Scan the isolated tooth by CBCT, obtain the data in DICOM format of the isolated tooth and convert it into an editable 3D data format (such as STL format), according to the clinically measured thick root canal and immature apex For the root length and the size of the apical foramen of the affected tooth, the shape of the root canal of the corresponding size is designed in the 3D software, and after the design is completed, it is imported into the 3D printer to make a model of the affected tooth;

[0058] Step 2: According to the designed model of the affected tooth, design the corresponding base in the 3D software that can just accommoda...

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Abstract

The invention discloses an affected tooth model for simulating a root canal barrier surgery in vitro and a construction method and application of the affected tooth model, and solves the technical problem that an existing model tooth cannot simulate an incompletely developed affected tooth accompanied by a thick single root canal in a clinical actual environment, so that the model tooth cannot be used for practicing a root canal barrier surgery model. The diseased tooth model comprises a model diseased tooth provided with a model single tube and a base provided with an embedding hole and a diseased tooth root tip model. The construction method comprises the following steps: acquiring an in-vitro diseased tooth 3D data format, a single-root-canal diseased tooth root length and apical foramen data, designing a model single-root canal, carrying out 3D printing on a model diseased tooth, matching a base, and carrying out 3D printing; by combining different diseased tooth root apex models, the practice of root apex barrier surgery or pulp blood supply reconstruction surgery is realized. The diseased tooth model capable of being used for simulating the root canal barrier surgery in vitro can be effectively provided for clinicians, the clinicians can simulate the practice operation of the root canal barrier surgery through the diseased tooth model, the clinical skills of the clinicians can be effectively improved, and more patients can be benefited.

Description

technical field [0001] The invention belongs to the field of medical model equipment, and in particular relates to an affected tooth model for simulating root canal barrier surgery in vitro and its construction method and application. Background technique [0002] Clinically, it is common to have teeth with thick root canals, unclosed apical foramen or flared apical foramen, and pulpitis and periapical periodontitis require endodontic treatment. Apical barrier surgery or apex induction, revascularization and other techniques are used to seal the root canal. In this type of technique, the quality of the barrier in the lower, middle and upper part of the root canal is crucial. The problems that often occur in the current barrier technology are: filling is not dense and sparse; overfilling, a large amount of material exceeds the target position; underfilling, the material fails to reach the target position. These problems range from causing postoperative reactions and microle...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09B23/28G09B9/00
CPCY02P10/25
Inventor 汪成林王蕾孙一民牛作良叶玲
Owner SICHUAN UNIV
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