title: Three-dimensional observation of decrease in pulp cavity volume using micro-CT: age-related change.
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.
authors.affiliation: Department of Anatomy, Tokyo Dental College, Mihama-ku, Chiba, Japan. agematsu@tdc.ac.jp
authors.forename: Hiroko
authors.initials: H
authors.lastname: Agematsu
authors.forename: Hidetoshi
authors.initials: H
authors.lastname: Someda
authors.forename: Masatsugu
authors.initials: M
authors.lastname: Hashimoto
authors.forename: Satoru
authors.initials: S
authors.lastname: Matsunaga
authors.forename: Shinichi
authors.initials: S
authors.lastname: Abe
authors.forename: Hee-Jin
authors.initials: HJ
authors.lastname: Kim
authors.forename: Taisuke
authors.initials: T
authors.lastname: Koyama
authors.forename: Hiroyoshi
authors.initials: H
authors.lastname: Naito
authors.forename: Ryo
authors.initials: R
authors.lastname: Ishida
authors.forename: Yoshinobu
authors.initials: Y
authors.lastname: Ide
mesh_terms: D000328:Adult; D000366:Age Determination by Teeth; D000368:Aged; D000375:Aging / Q000502:physiology*; D000704:Analysis of Variance; D001641:Bicuspid / Q000033:anatomy & histology / Q000000981:diagnostic imaging; D003786:Dental Pulp Cavity / Q000033:anatomy & histology* / Q000000981:diagnostic imaging; D003809:Dentin, Secondary / Q000254:growth & development / Q000378:metabolism*; D005260:Female; D006801:Humans; D021621:Imaging, Three-Dimensional / Q000379:methods*; D007180:Incisor / Q000033:anatomy & histology / Q000000981:diagnostic imaging; D008297:Male; D008875:Middle Aged; D012044:Regression Analysis; D055114:X-Ray Microtomography; D055815:Young Adult