Upper teeth protrude over the lower teeth by a proportion of between 30-50%.
The lack of space for all the teeth to fit normally within the jaws. The teeth may be twisted or displaced.
A dental anomaly characterized by interdental spaces and lack of contact points between teeth.
Occurs when the front teeth fail to touch and there is no overlap between upper and lower incisors.
A condition where one or more teeth are not aligned properly in relation to the adjacent and opposing teeth.
A condition in which the lower teeth and jaw protrude in front of the upper teeth.