Development of a multi-layered virtual tooth model for the haptic dental training system
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概要
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A virtual reality (VR) haptic dental training system could be a promising tool for future dental education. One major challenge is to develop a virtual tooth model which similarly reflected a real tooth having multiple layers with different mechanical hardness in each layer. The multi-layered virtual tooth model was successfully constructed in our virtual system. The constructed model allows us to feel tooth cutting which is similar to that with a real tooth. Through a cutting experiment by using the real tooth, a spring coefficient and a damping coefficient of a dental hard tissue were determined 0.8 N/mm and 1.79 Nsec/mm respectively. The feedback force smoothly altered when crossing the border of regions having different mechanical hardnesses. The constructed model introduced in this study could be a promising tool for acquiring dental hand skills in a virtual learning system.
著者
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Murakami Shinya
Department Of Medicine And Physical Therapy University Of Tokyo Faculty Of Medicine
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Sohmura Taiji
Bionic Co. Ltd.
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Kawamoto Yusuke
Technical Group Laboratory Inc.
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NOBORIO Hiroshi
Department of Computer Science, Osaka Electro-Communication University
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Noborio Hiroshi
Department Of Computer Science Osaka Electro-communication University
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Yamaguchi Satoshi
Department Of Agricultural Chemistry Faculty Of Agriculture Kyushu University
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YOSHIDA Yoshinori
Department of Biomaterials Science, Osaka University Graduate School of Dentistry
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YAMAGUCHI Satoshi
Department of Oromaxillofacial Regeneration, Osaka University
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