Dental Dictionary

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There are 7 terms in this glossary beginning with the letter O.


A back tooth’s biting surface.


The manner in which the upper and lower teeth close together.


A restoration covering a tooth’s entire biting surface.

Open bite

When the upper teeth are not able to contact the opposing lower teeth.


A branch of dentistry involving the diagnosis, prevention and treatment of facial irregularities and bite abnormalities.

Over bite

When upper and lower teeth overlap when they close together.


Filling material that hangs beyond a cavity’s border.