Automatic Occlusion between Opposing Tooth-Shape Data to Maximize the Contact Area.

1 Citations
  • Hasegawa Eiji
    Department of Information Engineering,Faculty of Engineering, Niigata University
  • Hayashi Toyohiko
    Department of Information Engineering,Faculty of Engineering, Niigata University
  • Miyakawa Michio
    Department of Information Engineering,Faculty of Engineering, Niigata University

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Other Title
  • 対合歯形状データのかみ合わせ操作の自動化

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Description

Dental CAD, CAM for crowns and dentures has been advancing,in order to reduce time-consuming manufacturing procedures. Accordingly,inherent kinetic-manipulation of teeth,such as occlusion of opposing teeth,is also necessitated in computer.This paper then presents a technique to occlude opposing shape-data automatically.To simplify this operation into an optimization problem,we developed a functional evaluating the closeness between two surfaces,employing the distance map.This also includes a term accessing the overlapping of both shapes and a parameter determining noticed surface-regions.Experiments employing data of opposing first molars verified that the occlusion can be achieved by exploring the position and orientation to maximize the functional,with gradually reducing the parameter.

Journal

  • Technical Report of IEICE

    Technical Report of IEICE 94 89-96, 1994

    The Institute of Electronics, Information and Communication Engineers

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