Okamoto has been practicing in Torrance, California since graduating from the School of Dentistry at the University of California, Los Angeles in 1984. He attended college at El Camino Community College and Occidental College prior to beginning his dental education at UCLA. Dr. Okamoto was introduced to dentistry after graduating from Torrance High School by Dr. Roy Yanase and Dr. Warren Tofukuji.
In 1988, he became a partner in the Torrance office, a goal of his since pursuing a career in dentistry Dr. Okamoto completed a residency in Hospital Dentistry at the Center for Health Sciences, UCLA, in 1985, and his Certification of Advanced Prosthodontics at UCLA in 1988. His professional appointments include past lecturer and instructor in the Section of Removable Prosthodontics and Hospital Dentistry at UCLA. He has presented original research at the International Association of Dental Research meetings. Dr. Okamoto maintains membership in the American Dental Association, the California Dental Association and the West Los Angeles and Orange County Dental Societies. He is also a member of the American College of Prosthodontics, the Japanese American Dental Society and the Academy of Osseointegration.