Kojimachi Dental & Orthodontic Clinic, a 3-minute walk from Yotsuya Station, is an appointment-only dental practice that operates until 5 PM on weekends and holidays as well. Treatment is typically provided in 30-minute sessions. This clinic actively promotes preventive dentistry, creating an environment that encourages regular check-ups to help patients maintain their natural teeth for as long as possible. In terms of treatments, they use metal-free zirconia and ceramic materials to reduce physical burden. The clinic employs experienced specialists for implant and orthodontic treatments, and with many female doctors on staff, they provide thorough explanations and gentle care. Additionally, a periodontal specialty clinic led by certified specialists from the Japanese Society of Periodontology is available every Thursday, offering precise diagnosis and surgical capabilities. The clinic provides multilingual support in English and Korean, and accepts credit cards and electronic payments.