Development and study of three-dimensional CT scanning system for dental cast measurement and analysis.

Author: Bin YAN ¹ ; Lin WANG ; Qiu-sheng HU ; Lin PAN ; Kui YANG ; Xu-dong BAO
Author Information

1. Dept. of Orthodontics, Affiliated Stomatological Hospital, Nanjing Medical University, Nanjing 210029, China.
Publication Type:Journal Article
MeSH: Dental Models; Humans; Image Processing, Computer-Assisted; Imaging, Three-Dimensional; Malocclusion; Reproducibility of Results
From: West China Journal of Stomatology 2005;23(4):329-331
CountryChina
Language:Chinese
Abstract:
OBJECTIVETo develop a computer assisted CT scanning system for 3D dental cast measurement and to study its reliability.
METHODS20 dental stone casts were scanned by helical CT and captured a series digital sliced radiographs of them. The program which was developed by Visual C 6.0 language and run under the Windows surroundings rebuilt the 3D graphics and measured the coordinate of the dental cast. These dental casts were scanned and measured to test the reliability of the system, contrasting with manual measurement.
RESULTSThere was no significant difference between 3D CT scanning and manual measurement (P > 0.05).
CONCLUSIONThe system is a valuable computer assisted system for clinical diagnosis and treatment of malocclusion.