Located in Sumiyoshi, Chitose, Hokkaido, Kojiinikai Sumiyoshi Dental Clinic is a dental facility with over 20 years of history deeply rooted in the local community. Dr. Akihiro Masasho, the director, holds a PhD in Dentistry and is a certified specialist of the Japanese Academy of Anti-Aging Medicine. The clinic emphasizes extending healthy lifespan through dental treatments. The clinic promotes a shift from therapeutic dentistry to preventive dentistry, with the philosophy of serving as a primary care provider as a family dentist. They offer high-precision prosthetic devices (crowns and fillings) using CAD/CAM systems, providing 2-year maintenance coverage for placed crowns and bridges. A collaborative system with dental technicians ensures prosthetic quality. Since April 2024, the clinic has implemented a complete appointment system to reduce waiting times and ensure careful treatment. English services are available, and credit cards and electronic payments are accepted. The clinic features a parking lot and barrier-free design, making it accessible to a wide range of patients. It is conveniently located a 1-minute walk from the Aoba Junior High School bus stop on the Chitose Mutual Bus Aoba Line.