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*TSURAYUKI TAKAHASHI
Department of Periodontology, Osaka Dental University
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KAZUYA TOMINAGA
Department of Oral Pathology, Osaka Dental University
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HAJIME TABATA
Department of Periodontology, Osaka Dental University
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TOMOO KONO
Department of Periodontology, Osaka Dental University
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AKIO TANAKA
Department of Oral Pathology, Osaka Dental University
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MASATOSHI UEDA
Department of Periodontology, Osaka Dental University