Do upper third molars provide more accurate age estimation in the adult based on the pulp-to-tooth ratio than lower third molars? A cone-beam CT study

Introduction: Age-at-death estimation is an essential part of the identification process of individuals in many forensic dentistry cases where identity of the individual cannot be resolved by visual recognition or other means. Dental age estimation in adults is more of a challenge as most teeth comp...

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Autores principales:	Salah A. Al-Omoush, Abeer Alhadidi, Awni Al-Kayed, Hamza Saoud, Firas Alsoleihat
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2021
Materias:	Age-at-death estimation Forensic dentistry Secondary dentin Cone-beam computed tomography Third molars Medicine R Dentistry RK1-715
Acceso en línea:	https://doaj.org/article/d64233101ab943059d4dd0dbaf0e2a76
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spelling	oai:doaj.org-article:d64233101ab943059d4dd0dbaf0e2a762021-11-10T04:18:36ZDo upper third molars provide more accurate age estimation in the adult based on the pulp-to-tooth ratio than lower third molars? A cone-beam CT study1013-905210.1016/j.sdentj.2020.04.006https://doaj.org/article/d64233101ab943059d4dd0dbaf0e2a762021-11-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S1013905220300900https://doaj.org/toc/1013-9052Introduction: Age-at-death estimation is an essential part of the identification process of individuals in many forensic dentistry cases where identity of the individual cannot be resolved by visual recognition or other means. Dental age estimation in adults is more of a challenge as most teeth complete their development by the age of 18 years. Aim: This study aims at using the mesio-distal (MD) pulp-to-tooth ratio taken at the cervix of upper third molars (UM3) to estimate age at the time of radiographic imaging. Materials and Methods: A set of 135 Cone-beam computed tomography (CBCT) radiographs of UM3s for a random sample of 135 Jordanian adults (65 females, 70 males; age range = 18–63 years, mean age = 34.4 years, SD = 11.2 years) were used. Both pulp and tooth MD diameters were measured at the cervix. MD pulp-to-tooth ratios for UM3s were correlated with age. Results: Statistically significant negative moderate correlation was found between the age of the individual and the cervix MD pulp/tooth ratio (r = −0.516). This indicates that only 26.6% of the variation in age can be explained by the cervix MD pulp-to-tooth ratio. Conclusions: This study concludes that cervix MD pulp-to-tooth ratio of UM3s, although apparently stronger than that of lower M3s (r = −0.361), is not a sufficiently reliable estimator of age in adults, and this is perhaps attributed to the greater variability in the time line of third molars development.Salah A. Al-OmoushAbeer AlhadidiAwni Al-KayedHamza SaoudFiras AlsoleihatElsevierarticleAge-at-death estimationForensic dentistrySecondary dentinCone-beam computed tomographyThird molarsMedicineRDentistryRK1-715ENSaudi Dental Journal, Vol 33, Iss 7, Pp 702-706 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Age-at-death estimation Forensic dentistry Secondary dentin Cone-beam computed tomography Third molars Medicine R Dentistry RK1-715
spellingShingle	Age-at-death estimation Forensic dentistry Secondary dentin Cone-beam computed tomography Third molars Medicine R Dentistry RK1-715 Salah A. Al-Omoush Abeer Alhadidi Awni Al-Kayed Hamza Saoud Firas Alsoleihat Do upper third molars provide more accurate age estimation in the adult based on the pulp-to-tooth ratio than lower third molars? A cone-beam CT study
description	Introduction: Age-at-death estimation is an essential part of the identification process of individuals in many forensic dentistry cases where identity of the individual cannot be resolved by visual recognition or other means. Dental age estimation in adults is more of a challenge as most teeth complete their development by the age of 18 years. Aim: This study aims at using the mesio-distal (MD) pulp-to-tooth ratio taken at the cervix of upper third molars (UM3) to estimate age at the time of radiographic imaging. Materials and Methods: A set of 135 Cone-beam computed tomography (CBCT) radiographs of UM3s for a random sample of 135 Jordanian adults (65 females, 70 males; age range = 18–63 years, mean age = 34.4 years, SD = 11.2 years) were used. Both pulp and tooth MD diameters were measured at the cervix. MD pulp-to-tooth ratios for UM3s were correlated with age. Results: Statistically significant negative moderate correlation was found between the age of the individual and the cervix MD pulp/tooth ratio (r = −0.516). This indicates that only 26.6% of the variation in age can be explained by the cervix MD pulp-to-tooth ratio. Conclusions: This study concludes that cervix MD pulp-to-tooth ratio of UM3s, although apparently stronger than that of lower M3s (r = −0.361), is not a sufficiently reliable estimator of age in adults, and this is perhaps attributed to the greater variability in the time line of third molars development.
format	article
author	Salah A. Al-Omoush Abeer Alhadidi Awni Al-Kayed Hamza Saoud Firas Alsoleihat
author_facet	Salah A. Al-Omoush Abeer Alhadidi Awni Al-Kayed Hamza Saoud Firas Alsoleihat
author_sort	Salah A. Al-Omoush
title	Do upper third molars provide more accurate age estimation in the adult based on the pulp-to-tooth ratio than lower third molars? A cone-beam CT study
title_short	Do upper third molars provide more accurate age estimation in the adult based on the pulp-to-tooth ratio than lower third molars? A cone-beam CT study
title_full	Do upper third molars provide more accurate age estimation in the adult based on the pulp-to-tooth ratio than lower third molars? A cone-beam CT study
title_fullStr	Do upper third molars provide more accurate age estimation in the adult based on the pulp-to-tooth ratio than lower third molars? A cone-beam CT study
title_full_unstemmed	Do upper third molars provide more accurate age estimation in the adult based on the pulp-to-tooth ratio than lower third molars? A cone-beam CT study
title_sort	do upper third molars provide more accurate age estimation in the adult based on the pulp-to-tooth ratio than lower third molars? a cone-beam ct study
publisher	Elsevier
publishDate	2021
url	https://doaj.org/article/d64233101ab943059d4dd0dbaf0e2a76
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Do upper third molars provide more accurate age estimation in the adult based on the pulp-to-tooth ratio than lower third molars? A cone-beam CT study

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