치의학(치과)은 인간의 건강 유지와 증진을 목적으로 치아, 치주조직, 구강구조물, 턱뼈, 턱관절, 얼굴 및 이와 연결된 머리와 목 등 주변 구조물에 대하여 의학적 연구를 수행하는 학문이며 치과의사가 의료행위를 수행하는 의료분야이다.

Definition of dental medicine (dentistry) : Dental medicine (dentistry) is a medical field that conducts medical research and medical practice on teeth, periodontal tissue, oral structure, jaw, temporomandibular joint, face and their surrounding structures such as head and neck for maintaining and promoting human health.

Definition of dental medicine (dentistry) : Dental medicine (dentistry) is a medical field that conducts medical research and medical practice on teeth, periodontal tissue, oral structure, jaw, temporomandibular joint, face and their surrounding structures such as head and neck for maintaining and promoting human health.