Dr. Kaku’s Office (Super Smile International Orthodontics) in Shibuya, Tokyo, offers world-class orthodontics and pediatric dentistry in English. Specializing in non-extraction orthodontics, Invisalign, and digital 3D scanning, Dr. John K. Kaku, Boston University–trained orthodontist and Invisalign Clinical Speaker, provides advanced care for children and adults. With clinics in Hiroo and Yoyogi Uehara, the practice delivers preventive care, whitening, and personalized treatment for international patients.