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*Takahiro Naganawa
Department of Periodontology, School of Dentistry, Aichi-Gakuin University Higashiyama Dental Clinic
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Koji Inagaki
Department of Periodontology, School of Dentistry, Aichi-Gakuin University Department of Dental Hygiene, Aichi-Gakuin University Junior College
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Nobuo Yoshinari
Department of Periodontology, School of Dentistry, Matsumoto Dental University
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Toshihide Noguchi
Department of Periodontology, School of Dentistry, Aichi-Gakuin University