对死后间隔期(PMI)牙冠和牙根牙髓体积与牙本质厚度的显微 CT 评估。

IF 1.5 4区 医学 Q2 MEDICINE, LEGAL
Forensic Science, Medicine and Pathology Pub Date : 2025-03-01 Epub Date: 2024-03-21 DOI:10.1007/s12024-024-00805-8
Selcuk Cetin, Nihat Akbulut, Kaan Orhan, Burak Bilecenoglu, Mert Ocak, Emre Bayram, Ahmet Altan, Bulent Eren, Serkan Silsupur, Bedirhan Sezer Oner
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引用次数: 0

摘要

确定死后间隔(PMI)是法医学的主要研究课题之一。这项前瞻性体外研究的主要目的是对牙冠和牙根的牙髓体积与牙本质厚度进行显微 CT 评估,以确定 PMI。这项研究涉及 60 只雌性 Wistar 大鼠,体重从 270 克到 320 克不等。动物牺牲后,与对照组一起在一个有遮蔽的花园里进行自然腐烂。然后提取半颌骨样本,并将其置于玻璃管中进行显微 CT 评估,以了解腐烂过程的进展情况。使用显微 CT 评估牙髓体积和牙本质厚度,并对收集的数据进行统计分析。使用显微 CT 分析了半下颌的 60 颗右下颌第二磨牙。第 6 组的牙冠牙髓体积有所减少,经过三个月的自然腐烂后,数值为 0.239 立方毫米(p
本文章由计算机程序翻译,如有差异,请以英文原文为准。

The micro CT evaluation of crown and root pulp volume versus dentin thickness in teeth in postmortem interval (PMI).

The micro CT evaluation of crown and root pulp volume versus dentin thickness in teeth in postmortem interval (PMI).

Determining the postmortem interval (PMI) is one of the main study subjects of forensic sciences. The main purpose of this prospective in vitro study that was the Micro-CT evaluation of teeth crown and root pulp volume versus dentin thickness in terms of PMI determination. The study involved 60 female Wistar rats, with weights ranging from 270 to 320 g. These rats were grouped into six different post-mortem period categories. Following the animals' sacrifice, they were subjected to a natural putrefaction period, with a control group, in the grounds of a sheltered garden. Hemi-mandible samples were then extracted and placed in glass tubes for Micro-CT evaluations, following the progression of putrefaction processes. The pulp volume and dentin thickness were assessed using Micro-CT, and the gathered data underwent statistical analysis. Micro-CT was employed to analyze sixty right mandibular second molar teeth in the hemi-mandible. The crown pulp volume exhibited a reduction in group 6, with a value of 0.239 mm3 after a three-month period of natural putrefaction (p < 0.001). There is statistically differences among groups in case of pairwise comparison (p < 0.05). However, the root pulp volume and dentin thickness variables did not display any statistically significant changes. Despite certain limitations associated with this study, the Micro-CT findings concerning teeth pulp volume can serve as an objective parameter, especially for late postmortem investigations and the estimation of time of death.

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来源期刊
Forensic Science, Medicine and Pathology
Forensic Science, Medicine and Pathology MEDICINE, LEGAL-PATHOLOGY
CiteScore
3.90
自引率
5.60%
发文量
114
审稿时长
6-12 weeks
期刊介绍: Forensic Science, Medicine and Pathology encompasses all aspects of modern day forensics, equally applying to children or adults, either living or the deceased. This includes forensic science, medicine, nursing, and pathology, as well as toxicology, human identification, mass disasters/mass war graves, profiling, imaging, policing, wound assessment, sexual assault, anthropology, archeology, forensic search, entomology, botany, biology, veterinary pathology, and DNA. Forensic Science, Medicine, and Pathology presents a balance of forensic research and reviews from around the world to reflect modern advances through peer-reviewed papers, short communications, meeting proceedings and case reports.
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