The Bulletin of Tokyo Dental College
Print ISSN : 0040-8891
Original Article
Three-dimensional Observation of Decrease in Pulp Cavity Volume Using Micro-CT: Age-related Change
Hiroko Agematsu, Hidetoshi Someda, Masatsugu Hashimoto, Satoru Matsunaga, Shinichi Abe, Hee-Jin Kim, Taisuke Koyama, Hiroyoshi Naito, Ryo Ishida, Yoshinobu Ide
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Keywords: Pulp chamber, Secondary dentin, Micro-CT, Age estimation, Three-dimensional measurement
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2010 Volume 51 Issue 1 Pages 1-6

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Abstract

We investigated three-dimensional decrease in the volume of the pulp chamber caused by age-related secondary dentin formation using micro-CT and evaluated the applicability of the results to evaluation of age taking into account sex, age and tooth type. Decrease was slightly higher in females than in males, and a higher correlation between decrease and aging was observed in females. A comparison between age-groups revealed that decrease progressed between the fifties and sixties in males, and the forties and fifties in females. A stronger correlation between aging and decrease was observed in the mandibular central incisors than in the mandibular second premolars. This correlation was higher than other correlations between sexes and age-groups.

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© 2010 by Tokyo Dental College, Japan
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