A dental cavity is a hole in the tooth.
A cavity is caused by bacteria in the mouth.
Brushing your teeth frequently and regularly can help prevent cavities.
A cracked tooth can be caused by biting down on something hard.
Dentists treat a cracked tooth by covering it with a crown.
A dental X-ray is a picture of your teeth and gums.
An X-ray shows what can't be seen on the surface of the teeth and gums.
Braces are used by dentists to straighten teeth over a period of years.
Though braces are usually for children, they can also be used for adults with crooked teeth.
To extract a tooth, means to remove it from the mouth.
Dentists have to pull hard to extract a tooth.
what is the painful process that often require a injection?
Dentists often inject something into the gum to block the pain during the extraction process.
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