also: こうくう
oral cavity; mouth
Anatomical term for the mouth, including the lips, tongue, and interior. Used in medical and formal contexts; in everyday speech, 口 (くち) is more common.
Keeping the oral cavity clean helps prevent cavities.
Keeping the oral cavity clean is important for preventing cavities.
口腔外科で親知らずを抜いてもらった。
I had my wisdom tooth extracted at the oral surgery department.
Daily oral care is important for maintaining health.
When inflammation occurs in the oral cavity, it hurts to eat.
口腔 is the precise medical term for the oral cavity, while 口内 is a more general word usable in everyday contexts like 口内炎.
oral cancer
Standard kanji spelling; the reading こうこう is the most common.
Reading used in medical contexts; less common in everyday language.
Compound of 口 (mouth) and 腔 (cavity), a straightforward kanji compound meaning 'oral cavity'.