日本にほん歯し科か専せん門もん医い機き構こうMeaningsNoun1. Japanese Dental Specialty BoardKanji used日sun本book歯tooth科department専specialty門gate医medical機machine構be concerned aboutComposed of日本にほんJapanNoun歯し科かdentistryNoun専せん門もん医い(medical) specialistNoun機き構こうmechanism; machinery; system; structure; organization; frameworkNoun