Dr. Morita graduated Osaka University Dental School, Osaka, Japan at 1982. He started his research (Preventive dentistry) at Okayama University Dental School, Okayama, Japan. He received his PhD degree in 1991 at the same institution. After two-year postdoctoral fellowship supervised by Dr Folkers at the University of Texas at Austin and one-year visiting researcher at University of Michigan, he obtained the position of a Professor at Hokkaido University Graduate School of Dental Medicine, Sapporo, Japan at 2000. Then he moved to Okayama University at 2008. He has published more than 200 international research articles.