奥歯

1. Origins, structure, and basic meaning

• Structure: The compound 奥歯 (おくば) combines inner or back with tooth and denotes a molar.
• Basic usage: A molar may 奥歯が痛む, and dental treatment can repair 奥歯の詰め物.

2. Common pitfalls and similar expressions

• A back tooth or molar
  • It names a chewing tooth at the back of the mouth, distinct from the front teeth.