Keidankai Niwa Dental Clinic is a dental facility located inside the Mitsukoshi Nagoya Sakae store in Naka Ward, Nagoya, Aichi Prefecture. The clinic follows three core principles: "minimal pain treatment," "minimal tooth reduction," and "tooth preservation." In terms of treatment, they utilize plasma laser systems for cavity treatment that strengthens tooth structure and employ Demineralized Bone Matrix cement, providing preventive treatment that preserves dental nerves and minimizes reduction of healthy teeth to prevent recurrence. Treatment without anesthesia is also available. During the initial consultation, the treatment process is explained in detail, emphasizing communication with patients. The facility is barrier-free, allowing direct access to the treatment room with wheelchairs and strollers. English language support is available, and both credit cards and electronic payments are accepted.