My false teeth are stuck to it.

我的假牙还在上边呢！

Granddad has false teeth.

爷爷戴了假牙。

He can't chew without his false teeth.

他没有假牙就嚼不动。

Teeth, especially a set of false teeth.

一颗病牙可使牙床脓肿。

Why are grandpa's false teeth like stars?

为什么说爷爷的假牙像星星？