歯し科か学がくMeanings1noundentistryRefers to the academic discipline or science of dentistry, often used in formal or educational contexts. Compare with 歯学, which is a broader term for dental science.See also: 歯学彼かれは大だい学がくで歯し科か学がくを専せん攻こうしている。He is majoring in dentistry at university.