歯ブラシ
Meanings
1
Standard word for a toothbrush; no special nuance or register.
I bought a new toothbrush.
I brush my teeth with a toothbrush.
Usage patterns
- 〈物〉で歯を磨くto brush one's teeth with (a toothbrush)
I brush my teeth with a toothbrush every morning.
- 歯ブラシを替えるto replace one's toothbrush
You should replace your toothbrush once a month.