What is she doing?
She is gargling.
What is it?
It is a mirror for seeing your teeth.
What is the problem?
He has bad breath.
What is the problem?
There is a lot of plaque on the teeth.
What is the problem?
There are cavities on the tooth.
What is he doing?
Brushing his teeth
What are these?
They are false teeth (dentures).
What is it?
It is a needle for freezing your mouth.
What is the problem?
There are a lot of germs in the mouth.
What is the pink part of the mouth?
They are gums.
What is the problem?
The tooth is broken.
What is the problem?
He has a toothache.
What is it?
It is a toothbrush.
What are these?
They are braces.
What is it?
It is a drill for fillings.
What is the problem?
The teeth are getting straightened by braces.
What is it?
It is a dental chair.
What is this?
It is dental floss