Shimpei Sonoda

Prosthodontist and occlusion specialist in private practice (Japan); Director of Esthetic Explorers — a Japanese dental study club and continuing education group focused on functional occlusion and aesthetic restorative dentistry. Clinical and teaching work centers on occlusal adjustment techniques based on Functionally Discluded Occlusion (FDO) — a philosophy developed by the legendary Masahiro Kuwata (1926–2002), one of Japan's most influential prosthodontists of the 20th century, whose ceramic and occlusal concepts shaped an entire generation of Japanese restorative dentists.

Creator of the "Agotan Stretch" — an original jaw muscle exercise and stretching methodology designed to strengthen the masticatory musculature and simultaneously improve lower face contour and symmetry. Faculty of the Functional Dentistry Congress in Kyoto alongside Sadao Sato, Kazumi Ikeda, Satoshi Aoki, Toshinari Toyama, and Taiichi Maekawa — one of the defining international events for Japanese functional and occlusal dentistry.

DDS; Specialist in Prosthodontics — Japan. Member of the Japan Academy of Occlusion, Japan Prosthodontic Society, and Japan Society of Conservative Dentistry.