Mandibular Prognathism

Habsburg jaw / Austrian lip: Pathologic mandibular prognathism is a potentially disfiguring genetic disorder where the lower jaw outgrows the upper, resulting in an extended chin. It is sometimes a result of acromegaly. This condition is colloquially known as Habsburg jaw, Habsburg lip or Austrian Lip. The trait is easily traceable in portraits of Habsburg family members. The traits that were common to […]