has part has part characteristic of has modifier Abnormal alveolar ridge morphology Alveolar ridge overgrowth This finding may or may not be accompanied by increased height of the alveolar ridge. This is not to be confused with Prominent palatal ridges or gingival overgrowth. This distinction of gingival from alveolar ridge overgrowth may be difficult, especially in milder degrees of the finding. Abnormal facial skeleton morphology abnormal increased thickness alveolar ridge