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Masaaki KATSUMOTO
Department of Periodontology, Nihon University School of Dentistry
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Kazumasa HORIBE
Department of Periodontology, Nihon University School of Dentistry
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Yoshima ABE
Department of Periodontology, Nihon University School of Dentistry
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Akio IGARASHI
Department of Periodontology, Nihon University School of Dentistry
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Takeru AOSHIMA
Department of Periodontology, Nihon University School of Dentistry