歯し牙が矯きょう正せい術じゅつ

noun

orthodontia; orthodontics

Medical term for the branch of dentistry dealing with the correction of irregularities of the teeth and jaws.

• 歯し牙が矯きょう正せい術じゅつは、歯は並ならびを改かい善ぜんする治ち療りょう法ほうです。

  Orthodontics is a treatment method for improving tooth alignment.