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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\u00a0g. These rats were grouped into six different post-mortem period categories. Following the animals\u2019 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 mm<jats:sup>3<\/jats:sup> after a three-month period of natural putrefaction (<jats:italic>p<\/jats:italic>\u2009&lt;\u20090.001). There is statistically differences among groups in case of pairwise comparison (<jats:italic>p<\/jats:italic>\u2009&lt;\u20090.05). 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.<\/jats:p>","DOI":"10.1007\/s12024-024-00805-8","type":"journal-article","created":{"date-parts":[[2024,3,21]],"date-time":"2024-03-21T12:02:07Z","timestamp":1711022527000},"page":"71-79","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["The micro CT evaluation of crown and root pulp volume versus dentin thickness in teeth in postmortem interval (PMI)"],"prefix":"10.1007","volume":"21","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-3001-2745","authenticated-orcid":false,"given":"Selcuk","family":"Cetin","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Nihat","family":"Akbulut","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kaan","family":"Orhan","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Burak","family":"Bilecenoglu","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mert","family":"Ocak","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Emre","family":"Bayram","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ahmet","family":"Altan","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Bulent","family":"Eren","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Serkan","family":"Silsupur","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Bedirhan Sezer","family":"Oner","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[2024,3,21]]},"reference":[{"key":"805_CR1","doi-asserted-by":"publisher","first-page":"122","DOI":"10.1016\/j.forsciint.2009.09.023","volume":"193","author":"M Vavpotic","year":"2009","unstructured":"Vavpotic M, Turk T, Martincic DS, Balazic J. 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