Matsumura Dental Nagaoka Clinic, located in Koshouji-machi, Nagaoka City, Niigata Prefecture, is a dental clinic operated by the Tokushinkai Group, a medical corporation. Founded in 1981 in Niigata Prefecture, the Tokushinkai Group has grown into one of Japan's largest dental healthcare groups with 98 locations both domestically and internationally, and as a member of this group, the clinic provides high-quality dental care to the local community. The group has established a team-based healthcare system with close collaboration between the dental treatment and dental laboratory departments, where dentists, dental hygienists, and dental technicians work together to provide treatment tailored to each patient's individual needs. The group also emphasizes education through collaboration with specialists, focusing not only on treatment techniques but also on communication skills and patient-centered care in staff development. In terms of facilities, the clinic has a parking lot and barrier-free access, creating an environment that is easily accessible to a wide range of patients. For payment, credit cards and electronic payments are accepted, adding to the clinic's convenience. The clinic is closed on Tuesdays and provides treatment on other days of the week.