Detection of the root canal's centerline from dental micro-CT records.
This paper presents a novel image processing procedure dedicated to the automated detection of the medial axis of the root canal from dental micro CT records. The 3D model of root canal is built up from several hundreds of parallel cross sections, using image enhancement and segmentation, center point detection in the segmented slice, three dimensional inner surface reconstruction and morphological skeleton extraction in three dimensions. The central line of the root canal is interpolated as a 3D spline curve. The proposed procedure can help prepare several kinds of endodontic interventions.
Benyo
Balazs
B
Dept. of Control Engineering and Information Technology of Budapest University of Technology and Economics, Magyar tudósok krt. 2, 1117 Budapest, Hungary. bbenyo@iit.bme.hu
Szilagyi
Laszlo
L
Haidegger
Tamas
T
Kovacs
Levente
L
Nagy-Dobo
Csaba
C
D000465:Algorithms; D001185:Artificial Intelligence; D016000:Cluster Analysis; D003198:Computer Simulation; D003786:Dental Pulp Cavity / Q000000981:diagnostic imaging*; D017143:Fuzzy Logic; D006801:Humans; D007091:Image Processing, Computer-Assisted; D021621:Imaging, Three-Dimensional; D018915:Root Canal Preparation / Q000379:methods*; D012390:Root Canal Therapy / Q000379:methods; D012984:Software; D014095:Tooth, Impacted / Q000000981:diagnostic imaging*; D055114:X-Ray Microtomography / Q000379:methods*