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Keiji Saratani
Second Dept Prosthodontics, Osaka Dental Univ.
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Mitsuhiro Tatsuta
Second Dept Prosthodontics, Osaka Dental Univ.
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Mitsuo Iwata
Second Dept Prosthodontics, Osaka Dental Univ.
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Hisao Oka
Faculty of Engineering, Okayama Univ.
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Takayoshi Kawazoe
Second Dept Prosthodontics, Osaka Dental Univ.
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Shenggen Shi
Dept. Prosthodontics, College of Stomatology, Xian Fourth Military Medical Univ.
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Jingqi Yuan
Dept. Prosthodontics, College of Stomatology, Xian Fourth Military Medical Univ.