Located in Toei, Nagaoka City, Niigata Prefecture, Medical Corporation Kotokukai Matsumura Daini Dental Clinic is part of the "Tokushinkai" dental healthcare group founded in Niigata Prefecture in 1981, supporting regional dental care. The Tokushinkai Group has grown into one of Japan's largest dental healthcare groups, operating 98 locations domestically and internationally with a staff of over 1,400 members from 10 nationalities, treating approximately 750,000 patients annually. The clinic practices the group's philosophy of "patient-centered dental care" through a team-based medical system where dentists, dental hygienists, and dental technicians collaborate closely while leveraging their respective expertise. Through partnerships with renowned specialists, the clinic can accommodate diverse treatment needs, emphasizing not only advancing treatment techniques but also communication that thoughtfully addresses patients' concerns and expectations—a defining characteristic of the group. Facilities include a parking lot and barrier-free design, ensuring wheelchair users and elderly patients can visit with ease. The clinic also accepts credit cards and electronic money payments, providing convenience in payment options.