Construction of database for three-dimensional human tooth models and its ability for education and research--Carious tooth models -.
To construct a human teeth database which is freely available to researchers and students, three-dimensional human tooth models were generated in a previous study, by means of micro-CT, from 35 human teeth extracted during orthodontic treatment. In this study, X-ray images of 55 extracted human teeth were acquired using three-dimensional micro-CT at a resolution of 50x50x50 microm, and then visualized using a numerical data visualization software. These carious tooth models provided insight into the morphology and progression of carious defects as well as a rare insight into the morphology of carious tooth pulp, therefore rendering them as a useful tool and efficient method for dental students' learning. Moreover, these three-dimensional models could be simultaneously observed and used by many students and researchers at any one time, which was a superior advantage than having only one actual tooth for learning and study by many.
Nagasawa
Sakae
S
Division of Biomaterials, Department of Hard Tissue Research, Graduate School of Oral Medicine, Matsumoto Dental University, Hirooka Shiojiri, Nagano, Japan. snagasawa@po.mdu.ac.jp
Yoshida
Takamitsu
T
Tamura
Kaoru
K
Yamazoe
Masatoshi
M
Hayano
Keigo
K
Arai
Yoshinori
Y
Yamada
Hirohito
H
Kasahara
Etsuo
E
Ito
Michio
M
D019992:Databases as Topic; D003731:Dental Caries / Q000473:pathology*; D003743:Dental Enamel / Q000473:pathology; D003782:Dental Pulp / Q000473:pathology; D018865:Dental Research; D003804:Dentin / Q000473:pathology; D018450:Disease Progression; D006801:Humans; D007091:Image Processing, Computer-Assisted / Q000379:methods; D021621:Imaging, Three-Dimensional / Q000379:methods*; D008953:Models, Anatomic; D011856:Radiographic Image Enhancement / Q000379:methods; D012984:Software; D013664:Teaching Materials; D014070:Tooth / Q000033:anatomy & histology*; D055114:X-Ray Microtomography / Q000379:methods