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特許 権利維持 Orthodontia, also known as orthodontics and dentofacial orthopedics, was the first specialty created in the field of dentistry. An orthodontist is a specialist who has undergone specialist training in a dental school or college after he/she has graduated in dentistry. Its the first specialty within the dentistry and was established by the efforts of pioneering orthodontists such as Edward H. Angle and Norman W. Kingsley.