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							Yoshinori Kobayashi
														
									The Nippon Dental University, School of Dentistry at Tokyo, Department of Partial and Complete Deture
							 
- 
							Hiroshi Shiga
														
									The Nippon Dental University, School of Dentistry at Tokyo, Department of Partial and Complete Deture
							 
- 
							Ichiro Arakawa
														
									The Nippon Dental University, School of Dentistry at Tokyo, Department of Partial and Complete Deture
							 
- 
							Masaoki Yokoyama
														
									The Nippon Dental University, School of Dentistry at Tokyo, Department of Partial and Complete Deture
							 
- 
							Mayumi Takahashi
														
									The Nippon Dental University Hospital at Tokyo
							 
- 
							Masayuki Takahashi
														
									The Nippon Dental University Hospital at Tokyo