title: Retained primary teeth: their effect on developing occlusions.
mesh_terms: D000293:Adolescent; D000844:Ankylosis / Q000150:complications; D002648:Child; D003481:Cuspid; D006801:Humans; D008297:Male; D008310:Malocclusion / Q000209:etiology*; D012391:Root Resorption / Q000150:complications; D014076:Tooth Diseases / Q000150:complications; D014080:Tooth Exfoliation / Q000209:etiology; D014094:Tooth, Deciduous; D014095:Tooth, Impacted / Q000209:etiology; D014096:Tooth, Supernumerary / Q000150:complications