Prognathism

Definition:
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Prognathism

Subjective: Anterior protrusion of the mandibular alveolar ridge beyond the vertical plane of the maxillary alveolar ridge, best appreciated in profile

Comments:

The examiner must use judgment to distinguish a protruding mandible from an Underdeveloped premaxilla or Retruded midface, either of which may be accompanied by class III malocclusion.

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