TMJ and Occlusion. Roth Philosophy in Orthodontic Treatment

Office Director of Hillside View Orthodontics, Daikanyama, Tokyo, Japan (established 1987). Former Clinical Instructor at the Department of Orthodontics, University of Pennsylvania School of Dental Medicine, Philadelphia. Diplomate of the American Board of Orthodontics. Author of the influential textbook "TMJ 1st Orthodontics: Concepts, Mechanics, and Stability." Leading Japanese orthodontist specializing in TMJ-first orthodontic approaches and functional occlusion.

Over 47 years of clinical experience in comprehensive orthodontic treatment since graduation in 1979. Expert in TMJ-first orthodontic philosophy emphasizing diagnosis and treatment of temporomandibular joint dysfunction prior to and during orthodontic treatment, Roth philosophy applications in Japanese orthodontics, functional occlusion protocols, and interdisciplinary treatment combining orthodontics with restorative dentistry. Known for systematic approaches to achieving stable, functional results by addressing TMJ disorders and occlusal relationships. Maintains second orthodontic office in Asakusa, Tokyo (Ikeda Orthodontics, established 1981), managed by his wife Dr. Isayo Ikeda who is also a dentist specializing in prosthodontics and orthodontics.

International lecturer presenting regularly in Japan and internationally on TMJ and occlusion in orthodontic treatment, Roth philosophy applications, functional TMJ considerations in harmonious orthodontic treatment, and evidence-based approaches to comprehensive orthodontic care. Regular faculty at major orthodontic congresses in Asia including OHI-S Global Forum events during sakura blossom season in Kyoto. Author of numerous publications on TMJ-orthodontic relationships. Key figure in introducing American orthodontic concepts including Roth philosophy and TMJ-first approaches to Japanese orthodontic practice. Unique service offering: professional teeth cleaning at every monthly orthodontic adjustment visit to maintain optimal oral hygiene throughout treatment.

DDS from School of Dentistry, Nihon University, Tokyo, Japan (1979). Certificate in Orthodontics from Department of Orthodontics, University of Pennsylvania School of Dental Medicine, Philadelphia (1981). Diplomate of the American Board of Orthodontics. Opened first orthodontic office in Asakusa, Tokyo (1981). Opened Hillside View Orthodontics in Daikanyama, Tokyo (1987).