Failure of proplast in mastoid obliteration.
D000293:Adolescent; D000328:Adult; D002648:Child; D004427:Ear Diseases / Q000601:surgery; D004432:Ear, Middle; D005260:Female; D006801:Humans; D008297:Male; D008416:Mastoid / Q000601:surgery*; D010033:Otitis Media / Q000209:etiology*; D010035:Otitis Media, Suppurative / Q000209:etiology*; D011138:Polytetrafluoroethylene / Q000009:adverse effects*; D011428:Proplast / Q000009:adverse effects*; D019736:Prostheses and Implants
D011428:Proplast; D011138:Polytetrafluoroethylene