1,387
Participants
Start Date
January 31, 2007
Primary Completion Date
November 30, 2009
Study Completion Date
March 31, 2010
Nippon Dental University, School of Life Dentistry at Tokyo, Chiyoda-ku
Tokyo Medical and Dental University Graduate School, Bunkyo-ku
Nihon University School of Dentistry at Matsudo, Matsudo
Toyota Motor Corporation, Toyota
Aichi Gakuin University, School of Dentistry, Nagoya
Osaka University Graduate School of Dentistry, Suita
Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama
Hiroshima University Graduate School of Biomedical Sciences, Hiroshima
The University of Tokushima Graduate School, Institute of Health Biosciences, Tokushima
Nagasaki University Graduate School of Biomedical Sciences, Nagasaki
Niigata University Faculty of Dentistry, Niigata
Tohoku University Graduate School of Dentistry, Sendai
Okayama University
OTHER