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Reiichi YAMAGA
Dept. of Dental Technology, School of Dentistry, Osaka University. [Japan]
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Setsuo HIGASHI
Dept. of Dental Technology, School of Dentistry, Tokyo Medical and Dental University. [Japan]
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Chitoshi KARASHIMA
Dept. of Dental Technology, School of Dentistry, Tokyo Medical and Dental University. [Japan]
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Misaki ANZAI
Dept. of Dental Technology, School of Dentistry, Tokyo Medical and Dental University. [Japan]