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Ryuji Sakamoto
Department of Removable Prosthodontics, Nihon University School of Dentistry at Matsudo, Matsudo, Chiba 271–8587, Japan
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Aya Kitamura
Department of Removable Prosthodontics, Nihon University School of Dentistry at Matsudo, Matsudo, Chiba 271–8587, Japan
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Hiroyuki Saeki
Department of Removable Prosthodontics, Nihon University School of Dentistry at Matsudo, Matsudo, Chiba 271–8587, Japan
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Asako Suzuki
Department of Removable Prosthodontics, Nihon University School of Dentistry at Matsudo, Matsudo, Chiba 271–8587, Japan