Genetics: Prognathism (also known as habsburg jaw) is a term describing the relationship of the mandible and/or maxilla to the skeletal base where either of the jaws protrudes beyond a predetermined line in the coronal plane of the skull. In general dentistry, oral and maxillofacial surgery and orthodontics this is assessed clinically or radiographically (cephalometrics). It is genetic.
Answered 5/1/2013
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