Description
Class II malocclusion
“The relative mesio-distal relations of the jaws and dental arches are abnormal, where the mandibular teeth occlude the maxillary teeth distal to its normal position.”
– Angle 1900
There are two divisions:
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The upper arch is usually narrow. It can be accompanied with a lower lip trap and airway compromise.
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The upper arch is usually normal or broad in width. There is usually hyperactive lip muscles and normal airways.