Medial axis detection from dental micro-CT records

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Abstract

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 is interpolated as a 3D spline curve. The proposed procedure can help prepare several kinds of endodontic interventions.

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Benyó, B., Szilágyi, L., & Dobó-Nagy, C. (2009). Medial axis detection from dental micro-CT records. In IFMBE Proceedings (Vol. 25, pp. 1688–1691). Springer Verlag. https://doi.org/10.1007/978-3-642-03882-2_448

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