从数字 3D 模型中识别牙齿和牙齿碎片

Q3 Medicine
S. Mânica , R. Merdietio Boedi , H. Pandey , C. Shields
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引用次数: 0

摘要

牙科解剖是法医牙科学鉴定人体的一项基本技能。随着虚拟尸体解剖技术的出现,法医牙科专家可以进行虚拟会诊,尤其是在冲突或灾难地区需要专业知识却无法获得的情况下。本研究旨在调查从三维扫描数字模型中识别完整和受损牙齿的潜在益处和挑战。研究人员将 10 颗 3D 牙齿模型(9 颗人类恒牙和乳牙以及 1 颗动物牙齿)上传到托管平台。在 60 名法医牙科专家中分发了一份由三部分组成的调查问卷,问题包括人口统计学(P1)、扫描三维模型的牙齿识别(P2)和三维模型对牙齿识别的有用性(P3)。这是首次要求对单个人类牙齿(完整与否)和动物牙齿进行综合鉴定的调查。参与调查的响应率为 58%。在确定牙齿分类(即臼齿、前臼齿)或同一牙齿类别中的非人类和牙齿(即侧切牙、第二臼齿)时,参与者之间的意见基本一致(两者的 k = 0.61)。根据 FDI 符号识别牙齿的一致性最低(k = 0.21),平均准确率为 0.34。虽然大多数回答者都能正确识别动物牙齿,但在识别完整的第三磨牙时,错误回答最多。虽然三维扫描牙齿具有虚拟识别的潜力,但法医牙医应不断测试他们在人类(受损或未受损)和动物牙齿形态学和牙齿解剖学方面的技能。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Identifying teeth and tooth fragments from digital 3D models

Dental anatomy is an essential skill for human identification in forensic odontology. With the advent of technology enabling virtual autopsies, there is scope for virtual consultation by forensic odontologists especially when the expertise is unavailable but needed in zones of conflict or disasters. This study aimed to investigate potential benefits and challenges of identifying intact and damaged teeth from 3D scanned digital models. Ten 3D tooth models – nine permanent and deciduous human teeth and one animal tooth were uploaded on a hosting platform. A 3-part survey was circulated among 60 forensic odontologists with questions about demography (P1), tooth identification of the scanned 3D models (P2) and the perceived usefulness of 3D models for tooth identification (P3). This was the first time that a survey required the identification of individual human teeth (intact or not) and animal tooth combined. The response rate for study participation was 58%. Substantial agreement among participants was seen in the determination of tooth classification (i.e., molars, premolars) or non-human and tooth within the same tooth class (i.e., lateral incisors, second molar) (both k = 0.61). The least agreement (k = 0.21) was seen in identification of tooth according to the FDI notation with a mean accuracy of 0.34. While most responders correctly identified the animal tooth, most incorrect responses were seen in the identification of the intact third molar. While 3D-scanned teeth have the potential to be identified virtually, forensic odontologists should continuously test their skills in tooth morphology and dental anatomy of humans (damaged or not) and animals.

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来源期刊
Morphologie
Morphologie Medicine-Anatomy
CiteScore
2.30
自引率
0.00%
发文量
150
审稿时长
25 days
期刊介绍: Morphologie est une revue universitaire avec une ouverture médicale qui sa adresse aux enseignants, aux étudiants, aux chercheurs et aux cliniciens en anatomie et en morphologie. Vous y trouverez les développements les plus actuels de votre spécialité, en France comme a international. Le objectif de Morphologie est d?offrir des lectures privilégiées sous forme de revues générales, d?articles originaux, de mises au point didactiques et de revues de la littérature, qui permettront notamment aux enseignants de optimiser leurs cours et aux spécialistes d?enrichir leurs connaissances.
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