충치가 · 충치를
cavity, tooth decay
Example
단 걸 많이 먹어서 충치가 생겼어요.
I ate a lot of sweets and got a cavity.
Word parts
충 insect, worm+치 tooth
Literally 'worm tooth', from the old belief that worms ate holes in teeth.
Good to know
A cavity 'forms': 충치가 생기다. Getting one treated is 충치 치료.
Related words