Wednesday, April 2, 2014


Prognathism (also known as Habsburg Jaw) is a term used to describe the positional relationship of the mandible and/or maxilla to the skeletal base where either of the jaws protrudes beyond a predetermined imaginary line in the coronal plane of the skull. In general dentistry, oral and maxillofacial surgery and orthodontics this is assessed clinically or radiographically (cephalometrics). The word prognathism derives from Greek pro (forward) and gnathos (jaw). One or more types of prognathism may result in the common condition of malocclusion (including overbite), where an individual's top teeth do not align with the lower teeth.

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