denture|dentures

奶奶每天晚上都要把假牙取下来清洗。

My grandmother removes her ___denture every night to clean it.

他戴假牙。

He wears ___dentures.

爷爷每天晚上都会把假牙取下来清洗。

Grandpa takes out his ___dentures to clean them every night.