The disto-palatal groove in maxillary incisors; a predisposing factor in periodontal disease.
D000328:Adult; D006801:Humans; D007180:Incisor / Q000002:abnormalities* / Q000000981:diagnostic imaging; D008297:Male; D010510:Periodontal Diseases / Q000209:etiology*; D011859:Radiography; D014071:Tooth Abnormalities / Q000150:complications* / Q000000981:diagnostic imaging