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  [2018] 3. Byung-Yoon Roh, Jeong-Uk Seo, Chang-Gyum Kim, Chang-Un Choi, Won-Joon Lee, Sang-Seob Lee
  Poster :      Date : 18-12-26 13:12     Hit : 38    
  Publication; issue :  2018 Year  42 Vol  4 iss  141 p
   (345.5K), Down : 4, 2018-12-26 13:12:06

The Application of Paewinsky et al.’s Age Estimation Method to Periapical Radiographs

Korean J Leg Med 2018;42:141-145

Section of Human Identification, Medical Examiner’s Office, National Forensic Service, Wonju, Korea, Section of Human Identification, Department of Forensic Medicine Investigation, National Forensic Service Seoul Institute, Seoul, Korea

E-mail: sslee1418@gmail.com

There have been many radiographic studies on age estimation that evaluate reduction in size of dental pulp cavity with secondary dentin formation. The Paewinsky method reported high accuracy in estimating ages by measuring the width of the pulp cavity in panoramic radiographs. The aim of this study was to evaluate the application of the Paewinsky method to digital periapical radiographs. This study was conducted on 103 cases that reported to the Section of Human Identification of the National Forensic Service. The age was calculated by applying the Paewinsky method that measures the root and pulp canal width at three points in a tooth. The estimation results were compared with those calculated by the Johanson method. When the Paewinsky models were applied to digital periapical radiographs, the errors were significantly greater as compared to the original study. The errors of the maxillary second premolar and mandibular lateral incisor were greater than those of the maxillary central incisor, lateral incisor, mandibular canine, and first premolar. Furthermore, errors of the age estimation models in level C were greater than those in levels A and B. This study could be a reference for the application of the Paewinsky method to digital periapical radiographs.

Key Words: Age determination by teeth; Secondary dentin; Dental radiography

   hit   datetime
Total 575
Category  iss Date / Subject / Contents / Writer
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