What is it?
It's plaque (or tartar)
What is it?
It's acid
What are they?
They're fillings
What is it?
It's plaque (or tartar)
Who is he?
He's a dentist
What are they?
They're teeth
What is it?
It's a cavity
What is it?
It's toothpaste
What are they?
They're a toothbrush and toothpaste
What is it?
It's her gums
What is it?
It's a toothbrush
What is it?
It's a tooth
What is it?
It's floss
What is it?
It's a tongue
What is the problem?
He has a toothache