Bony defects on the crest of the residual alveolar ridge.
D000539:Alveolar Process / Q000473:pathology*; D001862:Bone Resorption / Q000209:etiology* / Q000473:pathology*; D003778:Dentures / Q000009:adverse effects; D006801:Humans; D007571:Jaw Diseases / Q000209:etiology* / Q000473:pathology*; D009066:Mouth, Edentulous / Q000473:pathology*