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Toru TSUJIBAYASHI
Department of Physics, Osaka Dental University
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Kazutoshi KAKIMOTO
Department of Geriatric Dentistry, Osaka Dental University
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Tetsuo FUKUOKA
Department of Geriatric Dentistry, Osaka Dental University
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Koichi TOYODA
Department of Physics, Osaka Dental University
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Yutaka KOMASA
Department of Geriatric Dentistry, Osaka Dental University