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Evaluation of volumetric changes of teeth in a Brazilian population by using cone beam computed tomography
Institution:1. Pernambuco Dental School, Pernambuco University, UPE Camaragibe, Brazil;2. Department of Anatomy, Pernambuco Dental School, Pernambuco University, UPE Camaragibe, Brazil;3. Department of Oral Radiology, Federal University of Pernambuco, UFPE Recife, Brazil;4. Federal University of Pernambuco, Brazil;1. AgEstimation Project, Institute of Legal Medicine, University of Macerata, Macerata, Italy;2. School of Science and Technology, University of Camerino, Camerino, Italy;3. Institute of Legal Medicine, University of Macerata, Macerata, Italy;1. Department of Mechanical Engineering, University of Maryland Baltimore County, Baltimore, MD, USA;2. Department of Endodontics, Prosthodontics and Operative Dentistry, Dental School, University of Maryland, Baltimore, MD, USA;3. Department of Oral Biology, College of Dental Medicine, Georgia Health Sciences University, Augusta, GA, USA;4. Department of Endodontics, College of Dental Medicine, Georgia Health Sciences University, Augusta, GA, USA;5. Department of Materials Science and Engineering, University of Washington Seattle, WA, USA;6. Department of Restorative Dentistry, School of Dentistry, University of Washington, Seattle, WA, USA;1. Department of Oral and Maxillofacial Radiology, Faculty of Dentistry, Shahid Sadoughi University of Medical Sciences, Yazd, Iran;2. Department of Orthodontics, School of Dentistry, Mashhad University of Medical Sciences, Vakilabad Blvd., Mashhad, Iran;3. Dental Research Center, Mashhad University of Medical Sciences, Mashhad, Iran;1. Clinic for Orthodontics, School of Dental Medicine, University of Belgrade, Serbia;2. Laboratory for Anthropology, Institute of Anatomy, School of Medicine, University of Belgrade, Serbia;1. Victorian Institute of Forensic Medicine and Department of Forensic Medicine, Monash University, 65 Kavanagh Street, Southbank, VIC 3006, Australia;2. Department of Forensic Toxicology, Institute of Forensic Sciences, Ministry of Justice, Shanghai Key Laboratory of Forensic Medicine, China;1. University of Western Australia, School of Anatomy Physiology and Human Biology, 35 Stirling Hwy, Crawley WA 6009, Australia;2. University of Oslo, Department of Oral Pathology and Section of Forensic Odontology, P.O. Box 1109, Blindern, Oslo, Norway;3. Department of Developmental Biology, Harvard School of Dental Medicine, 188 Longwood Ave, Boston, MA 02115, United States
Abstract:The purpose of this study was to test the usefulness of some morphometric parameters of the teeth in 5 different age groups through images of Cone Beam CT. 118 upper central incisors clinically acquired of 60 women and 58 men aged between 22 and 70 years were selected. The hard tissue volume and the pulp cavity volume of each tooth was obtained and computed by the software DentalSlice® and the measures were assessed (pulp cavity volume, hard tissue volume, tooth volume and pulp cavity/tooth volume ratio). The pulp cavity volume and the pulp cavity/tooth volume ratio showed significant differences between age groups (p < 0.001). Linear regression analysis showed a coefficient of determination of 0.21 which suggests that there is a weak correlation between the pulp cavity/tooth volume ratio and age.
Keywords:Forensic science  Age determination by teeth  Cone-beam computed tomography  Secondary dentin  Dental pulp cavity  Incisor
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