The following images outline common bite problems where orthodontic​ treatment may be considered.

An overjet occurs when the upper front teeth protrude

An overjet occurs when the upper front teeth protrude.

A deep bite occurs when the upper front teeth cover the lower front teeth too much.

A deep bite occurs when the upper front teeth cover the lower front teeth too much.

An underbite occurs when the upper teeth fit inside the arch of the lower teeth.

An underbite occurs when the upper teeth fit inside the arch of the lower teeth.

An open bite occurs when the back teeth are together and there is an opening<br /> between the lower and upper front teeth

An open bite occurs when the back teeth are together and there is an opening
between the lower and upper front teeth.

Gaps between teeth

Gaps between teeth

A crossbite occurs when one or more of your upper teeth don't line up with the appropriate lower tooth or teeth

A crossbite occurs when one or more of your upper teeth don’t
line up with the appropriate lower tooth or teeth .

Crowded or Overlapped teeth

Crowded or overlapped teeth

Content courtesy of the Canadian Dental Association.