Located in Nihonbashi, Tokyo, this clinic specializes in professional orthodontic care focused on clear aligner treatment. Clinic Director Dr. Naoya Masuoka, a certified instructor and member of the Japanese Orthodontic Society, has been involved in clear aligner orthodontics since 2006, with over 19 years of experience and a track record of more than 7,500 cases. Recognized for this extensive experience and high expertise, the clinic was awarded the highest "Red Diamond" rank in clear aligner orthodontics. As a core hospital of the M&Associates Group operating across five cities in Japan, it serves as a hub for presentations at international conferences and domestic training activities, contributing to the advancement of orthodontic treatment and the development of specialists. The clinic focuses exclusively on orthodontics, specializing in clear aligner treatment which requires high-level delicate skills despite its accessible image. In terms of facilities, they accept credit cards and electronic payments, and provide English language services. The clinic is closed on the 1st, 3rd, and 5th Sundays, public holidays, and during the year-end and New Year period.