Automatic detection and classification of teeth in CT data

  • Authors:
  • Nguyen The Duy;Hans Lamecker;Dagmar Kainmueller;Stefan Zachow

  • Affiliations:
  • Zuse-Institute Berlin, Germany;Zuse-Institute Berlin, Germany;Zuse-Institute Berlin, Germany;Zuse-Institute Berlin, Germany

  • Venue:
  • MICCAI'12 Proceedings of the 15th international conference on Medical Image Computing and Computer-Assisted Intervention - Volume Part I
  • Year:
  • 2012

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Abstract

We propose a fully automatic method for tooth detection and classification in CT or cone-beam CT image data. First we compute an accurate segmentation of the maxilla bone. Based on this segmentation, our method computes a complete and optimal separation of the row of teeth into 16 subregions and classifies the resulting regions as existing or missing teeth. This serves as a prerequisite for further individual tooth segmentation. We show the robustness of our approach by providing extensive validation on 43 clinical head CT scans.