Age Estimation Using Maxillary Central Incisor Analysis on Cone Beam Computed Tomography Human Images

María Arminda Santos, Juan Muinelo-Lorenzo, Ana Fernández-Alonso, Angelines Cruz-Landeira, Carlos Aroso and María Mercedes Suárez-Cunqueiro ()
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María Arminda Santos: Department of Dental Science, University Institute of Health Sciences (IUCS), Cooperativa de Ensino Superior Politécnico e Universitário (CESPU), 4585-116 Gandra, Portugal
Juan Muinelo-Lorenzo: Department of Surgery and Medical-Surgical Specialties, Medicine and Dentistry School, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain
Ana Fernández-Alonso: Department of Surgery and Medical-Surgical Specialties, Medicine and Dentistry School, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain
Angelines Cruz-Landeira: Department of Forensic Sciences, Pathology, Ginecology and Obstetrics, and Pediatrics, Medicine and Dentistry School, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain
Carlos Aroso: Oral Pathology and Rehabilitation Research Unit (UNIPRO), University Institute of Health Sciences (IUCS), Cooperativa de Ensino Superior Politénico e Universitario (CESPU), 4585-116 Gandra, Portugal
María Mercedes Suárez-Cunqueiro: Department of Surgery and Medical-Surgical Specialties, Medicine and Dentistry School, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain

IJERPH, 2022, vol. 19, issue 20, 1-14

Abstract: Forensic dentistry plays an important role in human identification, and dental age estimation is an important part of the process. Secondary dentin deposition throughout an individual’s lifetime and consequent modification in teeth anatomy is an important parameter for age estimation procedures. The aim of the present study was to develop regression equations to determine age in adults by means of linear measurements and ratios on sagittal, coronal and axial slices of maxillary central incisors using cone bean computed tomography (CBCT). Multiplanar measurements of upper central incisors were taken for a sample of 373 CBCTs. Subsequently, one-way analysis of variance (ANOVA) and multivariate linear regressions were performed for age estimation. The equations obtained from axial linear measurements and ratios presented a standard error of the estimate (SEE) of ±10.9 years (R 2 = 0.49), and a SEE of ±10.8 years (R 2 = 0.50), respectively. The equation obtained for multiplanar linear measurements presented a SEE of ±10.9 years (R 2 = 0.52), while the equation for multiplanar ratios presented a SEE of ±10.7 years (R 2 = 0.51). Thus, CBCT measurements on upper central incisors were found to be an acceptable method for age estimation. Horizontal measurements, especially pulp measurements, improve the accuracy of age estimate equations.

Keywords: dentistry; forensic; age estimation; cone beam computed tomography; CBCT (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2022
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