expression, godan verb (-ku)
to have one's teeth set on edge; to become annoyed
Idiomatic expression describing a physical or emotional reaction to something unpleasant, such as a grating sound or an irritating remark. Often used figuratively for feeling annoyed or disgusted.
黒板を爪で引っかく音を聞くと、歯が浮く。
When I hear the sound of nails scratching a blackboard, my teeth are set on edge.
彼の自慢話にはいつも歯が浮く思いだ。
His boasting always makes me cringe.
expression, godan verb (-ku)
to get loose teeth
Literal meaning of the phrase, referring to teeth becoming loose. Less common than the idiomatic sense, but still used in dental contexts.
歯周病が進むと、歯が浮くことがあります。
As periodontal disease progresses, your teeth may become loose.