舌ぜっ側そく

noun-modifying (irregular)

lingual (dentistry)

Technical term in dentistry referring to the side of a tooth facing the tongue. Used attributively before nouns such as 側 (side) or 面 (surface).

• 舌ぜっ側そくの歯し面めんを丁てい寧ねいに磨みがいてください。

  Please brush the lingual surfaces of your teeth carefully.