Abstract

The purpose of this study is to develop an age estimating method for skeletal remains using microradiographs of compact bone. Compact bones of the humerus were collected from 40 Japanese males ranging from 23 to 80 years of age. Microradiographs taken from cross-sections were histomorphometrically examined by using an image analyzer. Histological parameters used in this study included 10 items, that is, osteon number, double-zoned osteon number, type II osteon number, low-density osteon number, osteon fragment number, resorption space number, total and average osteon area, and total and average Haversian canal area. The osteon fragment number showed the highest correlation coefficient with advancing age ( r = 0.786). The measurement data obtained from 10 histological parameters were subjected to multiple regression analysis for producing multiple regression equations for age estimation. In practice, 8 histological parameters were selected for the equation and its multiple correlation coefficient and standard error of estimate were 0.903 and 6.1, respectively.

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