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Yoso Imagawa
Department of Pericdontology. Schood of Dentistry Tokyo Medical and Dental University
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Itiro Matue
Department of Pericdontology. Schood of Dentistry Tokyo Medical and Dental University
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Takesi Sueda
Department of Pericdontology. Schood of Dentistry Tokyo Medical and Dental University
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Hideo Miyana
Departmentof Dentistry, Ota General Hospital
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Mitio Okada
Departmentof Dentistry, Ota General Hospital
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Shiniti Sugawara
Departmentof Dentistry, Ota General Hospital
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Kineo Utida
Departmentof Dentistry, Ota General Hospital
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Haruki Fujimori
Departmeut of Oto-Rhino-Laryngology. Schood of Medicine Okayama University
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Minoru Tamura
Departmeut of Oto-Rhino-Laryngology. Schood of Medicine Okayama University
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Yoshio Morita
Departmeut of Oto-Rhino-Laryngology. Schood of Medicine Okayama University
