[Ultrasonography of the periodontal tissue].
D000539:Alveolar Process / Q000033:anatomy & histology / Q000473:pathology; D005881:Gingiva / Q000033:anatomy & histology / Q000473:pathology; D006801:Humans; D010518:Periodontitis / Q000175:diagnosis* / Q000000981:diagnostic imaging; D010519:Periodontium / Q000033:anatomy & histology* / Q000000981:diagnostic imaging; D011859:Radiography; D014463:Ultrasonography