アブストラクト（16巻1号：The Bulletin of Kanagawa Dental College）

The Bulletin of Kanagawa Dental College

English

Title　： A Study on the Use of the Amino-Acid Racemization Method to Estimate the Ages of Unidentified Cadavers from Their Teeth
Subtitle　： ORIGINAL ARTICLE
Authors　： Susumu Ohtani, Setsuko Kato, Hitoshi Sugeno, Haruo Sugimoto, Tadahide Marumo, Mitsunobu Yamazaki, Katsuichi Yamamoto
Authors（kana）　：
Organization　： Department of Forensic Medicine, Kanagawa Dental College
Journal　： The Bulletin of Kanagawa Dental College
Volume　： 16
Number　： 1
Page　： 11-21
Year/Month　： 1988 / 3
Article　： Original article
Publisher　： Kanagawa Odontological Society
Abstract　： [Abstract] For the sake of more accurately estimating the ages of 14 unidentified cadavers on the basis of their teeth, attempts were made to employ the racemization of aspartic acid (D/L ratio) from their dentin. All of the cadavers were unidentified at the outset of the experiment, but later identification revealed their actual ages. The method of age estimation made use of 3 to 15 control teeth of the same category as the experimental tooth. Further, the dentin of the same parts as that of the experimental tooth was examined. A curve-equation formula including the D/L ratios and actual ages of the controls was worked out. Substituting the D/L ratio values of the experimental teeth in the formula made possible the computation of estimated ages. When longitudinal sections of the whole dentin (10 examples) were used, discrepancies between the estimated and actual ages were less than +- 3 years (σ = +- 1.5 years). No connection was discovered between this discrepancy and the cause of death or the amount of time elapsed since death.
Practice　： Dentistry
Keywords　： Age Estimation, Racemization, Aspartic acid, Whole Dentin, D/L Ratio