Three-dimensional observation of decrease in pulp cavity volume using micro-CT: age-related change.
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.
Agematsu
Hiroko
H
Department of Anatomy, Tokyo Dental College, Mihama-ku, Chiba, Japan. agematsu@tdc.ac.jp
Someda
Hidetoshi
H
Hashimoto
Masatsugu
M
Matsunaga
Satoru
S
Abe
Shinichi
S
Kim
Hee-Jin
HJ
Koyama
Taisuke
T
Naito
Hiroyoshi
H
Ishida
Ryo
R
Ide
Yoshinobu
Y
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