Application of interpenetrating polymer network enamel-like teeth in the dental practice teaching of crown preparations

Wang Zhongshan; Hui Xiaoyong; Li Shibao

doi:10.3760/cma.j.cn116021-20220901-01338

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Application of interpenetrating polymer network enamel-like teeth in the dental practice teaching of crown preparations

Teaching Reform | 更新时间：2023-08-02

- Application of interpenetrating polymer network enamel-like teeth in the dental practice teaching of crown preparations
- Chinese Journal of Medical Education Research Vol. 22, Issue 7, Pages: 987-990(2023)
- 作者机构：
  
  1.口颌系统重建与再生全国重点实验室，国家口腔疾病临床医学研究中心，陕西省口腔医学重点实验室，第四军医大学口腔医院修复科，西安　710032
  2.火箭军广州特勤疗养中心，广州　515000
  3.口颌系统重建与再生全国重点实验室，国家口腔疾病临床医学研究中心，陕西省口腔医学重点实验室，第四军医大学口腔医院口腔材料学教研室，西安　710032
- 作者简介：
- 基金信息：
  
  National Natural Science Foundation Youth Project(81700930)
- DOI：10.3760/cma.j.cn116021-20220901-01338
  CLC： R78
- Published：20 July 2023，
  
  Received：01 September 2022，
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王忠山, 惠小勇, 李石保. IPN仿釉质牙在口腔修复牙体预备实践教学中的应用[J]. 中华医学教育探索杂志, 2023, 22(7): 987-990.

Wang Zhongshan, Hui Xiaoyong, Li Shibao. Application of interpenetrating polymer network enamel-like teeth in the dental practice teaching of crown preparations. [J]. Chinese Journal of Medical Education Research 22(7):987-990(2023)
王忠山, 惠小勇, 李石保. IPN仿釉质牙在口腔修复牙体预备实践教学中的应用[J]. 中华医学教育探索杂志, 2023, 22(7): 987-990. DOI： 10.3760/cma.j.cn116021-20220901-01338.

Wang Zhongshan, Hui Xiaoyong, Li Shibao. Application of interpenetrating polymer network enamel-like teeth in the dental practice teaching of crown preparations. [J]. Chinese Journal of Medical Education Research 22(7):987-990(2023) DOI： 10.3760/cma.j.cn116021-20220901-01338.

摘要

目的

探索一种可高仿真模拟天然牙操作手感的教学模型义齿，以更好应用于口腔修复牙体预备实践模拟教学。

方法

选取空军军医大学口腔医学专业四年级学生44名，每名学员依次在仿真头模上应用IPN（interpenetrating polymer network）仿釉质牙、天然牙及传统复合树脂牙完成全冠牙体预备操作训练，并分别进行操作考核，记录每次牙体预备操作时间。按照金属烤瓷全冠牙体预备的要求，分别就轴面聚合度、修复空间、点线角、肩台质量、体位姿势5个方面进行评分（每方面共10分，总分合计50分），并计算总分。考核结束后，每名学员填写对IPN仿釉质牙评价的调查问卷。采用SPSS 23.0进行LSD-

检验和塔姆黑尼

2检验。

结果

IPN仿釉质牙组考核总分为（37.15±1.17），天然牙组考核总分为（37.20±1.20），两组之间差异无统计学意义（

0.05）；两组考核总分均高于树脂牙组得分（31.53±1.41），差异有统计学意义（

0.05）；尤其是在轴面聚合度、修复空间、肩台质量方面，IPN仿釉质牙和天然牙组学生得分均高于传统复合树脂牙组（

0.05）。学员问卷调查结果显示，各项评分均较高，为3.7～4.9分。

结论

IPN仿釉质牙相比于传统复合树脂牙，能够更加全面、有效地模拟对天然牙进行牙体预备时的操作手感和体验，在口腔修复牙体预备实践教学中具有潜在的优势。

Abstract

Objective

To explore a type of teaching teeth that can highly simulate natural teeth

and to investigate its application in the practice teaching of crown preparations.

Methods

A total of 44 senior students majoring in stomatology Fourth Military Medical University were selected

and each student received the training of crown preparations using interpenetrating polymer network (IPN) enamel-like teaching teeth

extracted natural teeth

and traditional composite resin teeth. Operation assessment was performed

and the operation time of each crown preparation was recorded. According to the requirements for crown preparations

scores were determined from the five aspects of axial converging

space for repair

line angle

shoulder quality

and posture

with 10 points for each aspect and 50 points in total

and the total score was calculated. A questionnaire survey on IPN enamel-like teeth was performed for each student after assessment

and SPSS 23.0 was used to perform the least significant difference t-test and the Tambane's

2 test.

Results

There was no significant difference in total assessment score between the IPN enamel-like teeth group and the natural teeth group (37.15±1.17 vs. 37.20±1.20

0.05)

and both groups had a significantly higher total score than the resin teeth group (31.53±1.41) (

0.05). The IPN enamel-like teeth group and the natural teeth group had significantly higher scores than the traditional composite resin teeth group in terms of axial converging

space for repair

and shoulder quality (

0.05). The questionnaire survey of the students showed a relatively high score of 3.7-4.9 for each item.

Conclusion

Compared with traditional composite resin teeth

IPN enamel-like teeth can more comprehensively and effectively simulate the operation and experience of natural teeth for crown preparations and thus have potential advantages in the practice teaching of crown preparations.

关键词

医学模拟教学仿釉质牙教学义齿牙体预备

Keywords

Simulation-based medical educationEnamel-like teethTeaching teethCrown preparations

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