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

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概要

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• Purpose : This paper proposes the application of haptic modeling to a virtual waxing-up system to be used for dental education and dental CAD systems.Materials and Methods : 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® and 3D modeling software called FreeForm®.Results : 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.Conclusion : We affirmed that the use of this haptic modeling system can provide a significant benefit to dental education and dental CAD systems.

• 2003-10-01

著者

• Ueda Yasuo

  Dept. Of Oral Functional Science Graduate School Of Dental Medicine Hokkaido University

• Ueda Yasuo

  Department Of Oral Functional Science Hokkaido University Graduate School Of Dental Medicine

• Ohata Noboru

  Department of Prosthetic Dentistry II, School of Dentistry, Hokkaido University

• Ohata Noboru

  Department Of Oral Functional Science Hokkaido University Graduate School Of Dental Medicine

• KASAI Nobuyuki

  Department of Applied Biological Science, Tokyo University of Science

• AITA Hideki

  Department of Crown and Bridge Prosthodontics, Hokkaido University School of Dentistry

• Ohata Noboru

  Dept. Of Oral Functional Science Graduate School Of Dental Medicine Hokkaido University

• Aita Hideki

  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

• KOBAYASHI Hiromi

  SenAble Technologies Inc.

• IKEDA Kiyoshi

  Nihon Binary Co., Ltd.

• Kasai Nobuyuki

  Department Of Agrobioscience Graduate School Of Agricultural Science Kobe University

• Okuda Kouichi

  Division Of Comprehensive Conservative Dentistry Hokkaido University Dental Hospital

• Ohata Noboru

  Department Of Oral Functional Science Graduate School Of Dental Medicine Hokkaido University

• Ueda Yasuo

  Department Of Chemistry Faculty Of Science Osaka University:osaka Titanium Co. Ltd.

• Ikeda Kiyoshi

  Nihon Binary Co. Ltd.

• Ninomiya Takaaki

  Department Of Oral Functional Science Hokkaido University Graduate School Of Dental Medicine

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