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

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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
    Department of Surgery and Medical-Surgical Specialties, Medicine and Dentistry School, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain
    These authors contributed equally to this work.)

  • Juan Muinelo-Lorenzo

    (Department of Surgery and Medical-Surgical Specialties, Medicine and Dentistry School, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain
    These authors contributed equally to this work.)

  • 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
    Health Research Institute of Santiago de Compostela (IDIS), Complexo Hospitalario Universitario de Santiago de Compostela (CHUS/SERGAS), 15706 Santiago de Compostela, Spain)

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.

Suggested Citation

  • María Arminda Santos & Juan Muinelo-Lorenzo & Ana Fernández-Alonso & Angelines Cruz-Landeira & Carlos Aroso & María Mercedes Suárez-Cunqueiro, 2022. "Age Estimation Using Maxillary Central Incisor Analysis on Cone Beam Computed Tomography Human Images," IJERPH, MDPI, vol. 19(20), pages 1-14, October.
    • Handle: RePEc:gam:jijerp:v:19:y:2022:i:20:p:13370-:d:944034
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    References listed on IDEAS

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    1. Rakhi Issrani & Namdeo Prabhu & Mohammed Ghazi Sghaireen & Kiran Kumar Ganji & Ali Mosfer A. Alqahtani & Tamer Saleh ALJamaan & Amal Mohammed Alanazi & Sarah Hatab Alanazi & Mohammad Khursheed Alam & , 2022. "Cone-Beam Computed Tomography: A New Tool on the Horizon for Forensic Dentistry," IJERPH, MDPI, vol. 19(9), pages 1-12, April.
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