Application of Three-dimensional Haptic Interface Technology in Dentistry : Virtual Waxing Up

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著者

    • AITA Hideki
    • Department of Oral Functional Science, Hokkaido University Graduate School of Dental Medicine
    • UEDA Yasuo
    • Department of Oral Functional Science, Hokkaido University Graduate School of Dental Medicine
    • KASAI Nobuyuki
    • Department of Oral Functional Science, Hokkaido University Graduate School of Dental Medicine
    • OKUDA Kouichi
    • Division of Comprehensive Conservative Dentistry, Hokkaido University Dental Hospital
    • NINOMIYA Takaaki
    • Department of Oral Functional Science, Hokkaido University Graduate School of Dental Medicine
    • OHATA Noboru
    • Department of Oral Functional Science, Hokkaido University Graduate School of Dental Medicine

抄録

<b><i>Purpose</i> : </b>This paper proposes the application of haptic modeling to a virtual waxing-up system to be used for dental education and dental CAD systems.<br><b><i>Materials and Methods</i> : </b>A mandibular right first molar model was selected from the tooth crown model data library we had previously created from the three-dimensional coordinate data of plaster models enlarged four times. After partially damaging the occlusal surface shape of the tooth model, we reconstructed its original shape using a haptic modeling system consisting of a haptic force feedback device called the PHANToM<sup>®</sup> and 3D modeling software called FreeForm<sup>®</sup>.<br><b><i>Results</i> : </b>The FreeForm modeling system enables easier control of the functional shape of the occlusal surface than previous modification methods that handled the control points of various free-form surfaces with the 2D mouse. Additionally, the haptic interfaces were extremely useful for resolving visual ambiguities ; the sense of touch led to greater accuracy.<br><b><i>Conclusion</i> : </b>We affirmed that the use of this haptic modeling system can provide a significant benefit to dental education and dental CAD systems.

収録刊行物

  • Prosthodontic research & practice

    Prosthodontic research & practice 2(1), 88-93, 2003-10-01

    Japan Prosthodontic Society

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各種コード

  • NII論文ID(NAID)
    10012436582
  • NII書誌ID(NCID)
    AA11728086
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    13477021
  • データ提供元
    CJP書誌  J-STAGE 
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