Age estimation of Korean adults by occlusal tooth wear.
The aim of the present study was to evaluate the validity of the modified Kim's scoring system as a practical method of recording occlusal tooth wear and estimating age. For this purpose, 1092 pairs of maxillary and mandibular full-arch casts were randomly selected, scored, and analyzed. The results showed that the modified Kim's scoring system had excellent reliability, and that occlusal tooth wear had a positive correlation with age. Tooth wear scores of all teeth except the two lower central incisors were higher in males than in females. Calculating tables for age estimation were designed by multiple linear regression analysis. Estimated ages were within +/-5 years of actual ages in 63.5% of male subjects, and 64.0% of female subjects. The accuracy of age estimation was increased when the subjects were divided into two age groups and data were re-analyzed. Collectively, it was shown that the modified Kim's scoring system is a reliable and accurate method for age estimation, and that the data from these 1092 individuals can be used as a standard for age estimation of Korean adults.
Yun
Jong-Il
JI
Department of Oral Medicine and Oral Diagnosis, School of Dentistry & Dental Research Institute, Seoul National University, Yunkeon-Dong 28, Chongro-Ku, Seoul 110-749, Korea.
Lee
Jeong-Yun
JY
Chung
Jin-Woo
JW
Kho
Hong-Seop
HS
Kim
Young-Ku
YK
D000328:Adult; D000366:Age Determination by Teeth / Q000379:methods*; D000368:Aged; D000369:Aged, 80 and over; D044466:Asian People; D005260:Female; D005553:Forensic Dentistry / Q000379:methods*; D006801:Humans; D007723:Korea; D016014:Linear Models; D008297:Male; D008875:Middle Aged; D015203:Reproducibility of Results; D012727:Sex Characteristics; D014077:Tooth Erosion / Q000473:pathology*