Arai Dental Clinic, operated by the Medical Corporation Shinchi Dental Society, is located in Higashi-Koiwa, Edogawa Ward, Tokyo, providing specialized dental care. Specialists and instructors from the Japanese Society of Periodontology are on staff, handling moderate to severe periodontal disease. The clinic performs treatments aimed at avoiding tooth extraction whenever possible through periodontal tissue regeneration therapy and bone regeneration therapy. Root canal treatment features precise three-dimensional analysis using microscopes and CT scans to prevent recurrence. For bad breath treatment, scientific analysis using a halimeter is conducted in private rooms with consideration for privacy, focusing on causative treatment. The clinic also emphasizes orthodontic treatment, offering adult-friendly invisible clear aligners and pediatric jaw-facial orthodontics. English services are available. Credit cards and electronic payments are accepted, and a parking lot is provided. Closed on Thursdays, Sundays, and holidays, as well as during year-end and New Year's and Obon periods. Second opinions are also accepted.