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Forensic Science, Medicine and Pathology

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Open Access 11-02-2023 | Review

Dental age estimation using the Kvaal method—an evaluation of length and width ratios: a systematic review

Authors: S. Kazmi, Syed Jaffar Abbas Zaidi, Gowri Vijay Reesu, Simon Shepherd

Published in: Forensic Science, Medicine and Pathology | Issue 1/2024

Abstract

This study aimed to systematically review the correlational accuracy between width ratios and length ratios based on the Kvaal methodology with chronological age. This systematic review followed Preferred Reporting Items for Systematic Reviews and Meta-Analysis (PRISMA). The search strategy included ProQuest, PubMed, Science Direct, and Taylor and Francis and Willey online without time or language restriction using Kvaal method of age estimation as key words for the search up to December 2021. A team of two researchers independently selected the studies and extracted the data. The Covidence platform was used to systematically organize all titles. The full texts of eligible studies were analyzed. Risk of bias (RoB) was assessed using a modified (to the specific characteristics of this systematic review) checklist based on Strengthening the Reporting of Observational Studies in Epidemiology (STROBE) statement checklist for observational studies. A total of 658 articles were initially reviewed, but 22 were selected for inclusion. The risk of bias was estimated to be unclear to low overall. Among the length ratios, ratio R showed a strong association with chronological age, followed by ratio P. For the width ratios, ratio B demonstrated a close association with chronological age, followed by ratio C. The results suggest that width ratios correlate better with chronological age than length ratios. This systematic review suggests the width ratios are more strongly associated with chronological age than the length ratios. Using a width ratio could serve as a convenient and rapid way to estimate dental age. Our results apply equally to all types of ethnic groups.

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Title: Dental age estimation using the Kvaal method—an evaluation of length and width ratios: a systematic review
Authors: S. Kazmi
Syed Jaffar Abbas Zaidi
Gowri Vijay Reesu
Simon Shepherd
Publication date: 11-02-2023
Publisher: Springer US
Published in: Forensic Science, Medicine and Pathology / Issue 1/2024
Print ISSN: 1547-769X
Electronic ISSN: 1556-2891
DOI: https://doi.org/10.1007/s12024-023-00575-9

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Dental age estimation using the Kvaal method—an evaluation of length and width ratios: a systematic review

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