title: [Apatite ceramic as a reconstruction material for the posterior wall of the external auditory meatus].
mesh_terms: D000293:Adolescent; D000328:Adult; D001031:Apatites; D001672:Biocompatible Materials; D002516:Ceramics; D002648:Child; D002781:Cholesteatoma / Q000601:surgery; D004424:Ear Canal / Q000601:surgery*; D004428:Ear Neoplasms / Q000601:surgery; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010033:Otitis Media / Q000601:surgery; D014433:Tympanoplasty / Q000379:methods*
chemical_list: D001031:Apatites; D001672:Biocompatible Materials