Masami Arai is a recognized Key Opinion Leader, active across the fields of dentistry and oral implantology.

Graduated from the Faculty of Dentistry at Tokyo Science University (formerly Tokyo Medical and Dental University) and acquired advanced clinical skills, including laser therapy and other cutting-edge techniques. In 2003, founded M’s Dental Clinic in Tokyo, delivering advanced treatments in clinical practice.

Served as a visiting professor at Osaka Dental University and as an adjunct lecturer at Tokyo Science University, contributing to education and research. Certified instructor of the Japanese Society of Oral Implantology and accredited by the European Association for Osseointegration (EAO), contributing to the development of implantology in Japan and internationally.