noun
back tooth; molar
Refers to the teeth at the back of the mouth, especially the molars. Often used in contrast with 前歯 (front teeth).
See also: 前歯
奥歯が痛くて、固いものが噛めない。
My back tooth hurts and I can't chew hard things.
奥歯でしっかり噛んで食べましょう。
Let's chew well with our back teeth.