noun
Refers to the medical field or practice of dentistry, including diagnosis, treatment, and prevention of oral diseases.
彼は歯科医術を学ぶために大学に進学した。
He went to university to study dentistry.
Compound of 歯科 (dental department) and 医術 (medical art). The exact historical derivation is uncertain, but the term is a straightforward Sino-Japanese formation.