title: Ankylosis of primary molar teeth. I. Prevalence and characteristics.
mesh_terms: D000293:Adolescent; D000844:Ankylosis / Q000000981:diagnostic imaging / Q000453:epidemiology* / Q000209:etiology; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D008297:Male; D008963:Molar; D011859:Radiography; D014076:Tooth Diseases / Q000000981:diagnostic imaging / Q000453:epidemiology* / Q000209:etiology; D014078:Tooth Eruption; D014079:Tooth Eruption, Ectopic; D014094:Tooth, Deciduous; D014097:Tooth, Unerupted