Dental Checkup
The dentist is checking the man's teeth.
If the man has a cavity, the dentist will drill his tooth and fill it.
Toothache
This man has a toothache.
The toothache is on the right side of his mouth.
He will call the dentist to make an appointment.
Teeth
Teeth grow in the gums of your mouth.
Teeth have roots that grow in your gums.
Enamel covers the outside of your teeth.