歯学(しがく) しがく noun dentistry; dental science academicmedicaleducation 1. dentistry; dental science The academic discipline concerned with teeth and the treatment of oral diseases. Refers to the field of study, not the practice or clinic itself. 歯学(しがく)を学(まな)んでいる。🔊 I'm studying dentistry. 彼(かれ)は歯学(しがく)博士(はくし)の学位(がくい)を持(も)っている。🔊 He holds a doctorate in dentistry. 近年(きんねん)の歯学(しがく)は、虫歯(むしば)予防(よぼう)と審美(しんび)治療(ちりょう)に力(ちから)を入(い)れている。🔊 Modern dentistry places emphasis on cavity prevention and cosmetic treatment. 歯(は) (tooth) + 学(がく) (science, field of study). Like 医学(いがく) and 薬学(やくがく), the 〜学(がく) suffix forms the name of an academic field.Common collocations歯学(しがく)部(ぶ): faculty of dentistry歯学(しがく)博士(はくし): doctor of dentistry (DDS)歯学(しがく)研究(けんきゅう): dental researchSimilar words歯科(しか): dentistry (clinical) — refers to the dental practice/clinic or the clinical branch; 歯科(しか)医(い) = dentist歯学(しがく): dental science — the academic discipline口腔外科(こうくうげか): oral surgery — surgical sub-specialty Related Words Compare: 歯科(しか) (dentistry) Related: 医学(いがく) (medical science) general Added 2026.5.15 12:09 · Revised 2026.9.2 13:02 27500/27622_shigaku