has part has part characteristic of inheres in has modifier Abnormality of the premaxilla Prominence of the premaxilla 2010-04-23T11:01:23Z Anterior position of the primary palate bone HP:0010759 Prominent positioning of the premaxilla in relation to the rest of the maxilla, the facial skeleton, or mandible. Not necessarily caused by an increase in size (hypertrophy of) the premaxilla. Premaxillary bone excess Anterior position of the premaxilla Prominence of the primary palate bone As a consequence of prominence of the premaxilla, the overlying structures, the nose and philtrum, may appear prominent. There is increased convexity of the face and an increased nasolabial angle. In the presence of a normal sized mandible, retrognathia may be appreciated. UMLS:C2749369 Prominent premaxilla Prominence of the intermaxillary bone abnormal prominent premaxilla