A re-usable 3D-printed training model for the endodontic management of dental trauma in immature teeth.

IF 7.1 1区 医学 Q1 DENTISTRY, ORAL SURGERY & MEDICINE
Eva Maier, Jan Zentgraf, Eveline Angele, José Zorzin, Michael Taschner, Matthias Widbiller, Kerstin Galler, Thomas Schratzenstaller
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Abstract

Aim: To develop a 3D-printed model enabling treatment simulation of trauma-related endodontic and restorative procedures like revitalization or placement of an apical plug on teeth with incomplete root formation.

Methodology: To generate a realistic training model suitable for trauma-related simulations, CT-Data sets were segmented, combined, adjusted and optimized using computer-aided design features. Specific focus was on optimally reflecting characteristics of immature teeth like open apical foramina and thin root walls. For reflection of the revitalization process, a set-up including a tube filled with red liquid under pressure was developed to be perforated during the procedure by the trainee, simulating bleeding from the apical papilla into the root canal system. Design was based on a combination of cost-effective simple parts combined with 3D-printed components to achieve maximal accessibility, exchangeability and re-usability. Model assembly and preparation were described in step-by-step instructions.

Results: As a result of the developmental process, the presented model qualifies for the training of the endodontic management of complications on immature teeth after dental trauma. Step-by-step descriptions aligned with the clinical procedures are performable for a revitalization procedure, for pulpotomy followed by fragment re-attachment and splint application and for placement of an apical plug using hydraulic calcium silicate cements.

Conclusions: The model successfully achieved its intended objectives, so that it may be used in the future in various dental trauma treatment simulations for undergraduate and postgraduate education on the endodontic management of trauma-related therapies in immature teeth. Its common manufacturing process, affordability and re-usability support accessibility and sustainability.

一种可重复使用的3d打印训练模型,用于未成熟牙齿的牙髓创伤管理。
目的:开发一种3d打印模型,能够模拟创伤相关的牙髓治疗和修复过程,如在牙根形成不完全的牙齿上恢复或放置根尖塞。方法:利用计算机辅助设计特征对ct数据集进行分割、组合、调整和优化,生成适合创伤相关模拟的真实训练模型。重点是如何更好地反映未成熟牙的特点,如开放的尖孔和薄的根壁。为了反映恢复过程,一个装置包括一个充满红色液体的管子,在压力下被开发出来,在手术过程中由受训者穿孔,模拟从根尖乳头出血到根管系统。设计基于具有成本效益的简单部件与3d打印部件的组合,以实现最大的可访问性,可互换性和可重用性。模型组装和准备在一步一步的说明中描述。结果:由于发育过程的原因,该模型可用于牙外伤后未成熟牙齿并发症的牙髓治疗培训。与临床手术步骤一致的逐步描述适用于复位手术、椎髓切开术、碎片再附着和夹板应用以及使用液压硅酸钙水泥植入根尖塞。结论:该模型成功达到了预期目标,可用于各种牙外伤治疗模拟,用于未成熟牙根管创伤相关治疗的本科生和研究生教育。其共同的制造过程,可负担性和可重用性支持可访问性和可持续性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
International endodontic journal
International endodontic journal 医学-牙科与口腔外科
CiteScore
10.20
自引率
28.00%
发文量
195
审稿时长
4-8 weeks
期刊介绍: The International Endodontic Journal is published monthly and strives to publish original articles of the highest quality to disseminate scientific and clinical knowledge; all manuscripts are subjected to peer review. Original scientific articles are published in the areas of biomedical science, applied materials science, bioengineering, epidemiology and social science relevant to endodontic disease and its management, and to the restoration of root-treated teeth. In addition, review articles, reports of clinical cases, book reviews, summaries and abstracts of scientific meetings and news items are accepted. The International Endodontic Journal is essential reading for general dental practitioners, specialist endodontists, research, scientists and dental teachers.
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