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Noriyoshi Kurihara
Periodontology, Josai Dental University
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Kiyoshi Watanabe
Applied Research Laboratories II, Lion Co.
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Takahiko Yoshino
Department of Oral Anatomy
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Yoshiyuki Hakeda
Department of Oral Anatomy
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Katsumi Ikeda
Periodontology, Josai Dental University
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Masayoshi Kumegawa
Department of Oral Anatomy