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Age Estimation by Dental Radiographs in Korean Adults

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Abstract

ÀÌ ¿¬±¸ÀÇ ¸ñÀûÀº Ä¡°ú¿ë ¹æ»ç¼±»çÁøÀ» ÀÌ¿ëÇÏ¿© Ä¡¼öÅ©±â¿Í ¿¬·É »çÀÌÀÇ ¿¬°ü¼ºÀ» °Ë»çÇÔÀ¸·Î½á ¼ºÀÎÀÇ ¿¬·ÉÀ» °¨Á¤ÇÏ´Â ¹æ¹ýÀ» ã°íÀÚ ÇÏ´Â °ÍÀÌ´Ù.
20-69¼¼ ȯÀÚ 276¸í (³²¼º 111¸í, ¿©¼º 165¸í)À» ´ë»óÀ¸·Î ÇÏ¿©, ÃæÀü¹°À̳ª º´Àû¿äÀÎÀÌ ¾ø´Â 716°³ÀÇ ÇÏ¾Ç Ä¡¾Æ (°ßÄ¡ 218°³, Á¦ 1, ¼Ò±¸Ä¡ 230°³, Á¦ 2 ¼Ò±¸Ä¡ 268°³)¸¦ ¼±ÅÃÇÏ¿´´Ù.
Ä¡±Ù´Ü ¹æ»ç¼±»çÁøÀ» ÀÌ¿ëÇÏ¿©, Ä¡°üÀÇ ³ôÀÌ(§®)ÀÎ CH(coronal height), Ä¡°ü Ä¡¼ö°­ÀÇ ³ôÀÌ(mm)ÀÎ CPCH(coronal pulp cavity height)¸¦ ÃøÁ¤ÇÏ¿´´Ù. Ikeda µî(Jpn. J. For. Med. 1985;39:244-250)ÀÇ tooth-coronal index(TCI)¸¦ ÀÌ¿ëÇÏ¿© °¢ Ä¡¾Æ¸¦ °è»êÇÏ¿´°í, Åë°èºÐ¼®ÇÏ¿´´Ù.
¿¬·ÉÀÌ Áõ°¡ÇÔ¿¡ µû¶ó ´ëüÀûÀ¸·Î TCIµµ °¨¼ÒÇÏ¿´´Ù. °¢°¢ÀÇ ¼º¿¡¼­ °¢ Ä¡¾Æ¸¦ µû·Î ºÐ¼®ÇÑ °æ¿ìº¸´Ù ÇÕÇÑ °æ¿ì¿¡¼­ ¿¬·ÉÁõ°¡¿¡ µû¸¥ TCIÀÇ °¨¼Ò°¡ °í¸£°Ô ³ªÅ¸³µ´Ù. ³²¼º°ú ¿©¼ºÀÇ ÇÕÇÑ Ç¥º»ÀÇ °ßÄ¡¿¡¼­ °¡Àå ¶Ñ·ÇÇÑ °í¸¥ °¨¼Ò¸¦ º¸¿´´Ù. ȸ±ÍºÐ¼® °á°ú, ¿©¼ºÀÇ °ßÄ¡¿¡¼­ °¡Àå À¯ÀÇÇÑ »ó°ü°ü°è¸¦ º¸¿´´Ù (r©÷=0.247).

Aim of this study is to examine correlation between size of the coronal pulp cavity and chronological age in adult. Total 716 teeth (218 mandibular canines, 230 first premolars, 268 second premolars) free from pathologies and dental restorations were selected from 276 patients (111 males, 165 females), ranging from 20-69 years.
Using periapical X-ray, the height (§®) of the crown (CH=coronal height) and the height (mm) of the coronal pulp cavity (CPCH=coronal pulp cavity height) of the teeth were measured. The tooth-coronal index (TCI) after Ikeda et al (Jpn. J. For. Med. 1985;39:244-250) was computed for each tooth and regressed on real age.
With increasing age, the TCI was relatively decreased, indicating the reduction of length of the pulp chamber. Even reduction of the TCI with aging was found in combined group rather than in each sex and type of tooth separately. The most definite reduction was in canine of combined group. The correlation coefficient was strongest when measurement from canines of females (r2=0.247).

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¿¬·É;Ä¡¼ö°­;TCI
TCI;Age;Pulp cavity

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