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*Tomoko Yokoyama
Division of Periodontology, Department of Oral Biological Science, Niigata University Graduate School of Medical and Dental Sciences
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Tetsuo Kobayashi
Division of Periodontology, Department of Oral Biological Science, Niigata University Graduate School of Medical and Dental Sciences General Dentistry and Clinical Education Unit, Niigata University Medical and Dental Hospital
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Kohji Yamamoto
Division of Periodontology, Department of Oral Biological Science, Niigata University Graduate School of Medical and Dental Sciences
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Hiromasa Yoshie
Division of Periodontology, Department of Oral Biological Science, Niigata University Graduate School of Medical and Dental Sciences