title: Total avulsion of an osseointegrated screw.
abstract: The close union achieved between pure grade titanium and healthy bone makes dislocation a rare event. We report the case of the total avulsion of an apparently well-integrated implant from a healthy mastoid bone.
authors.affiliation: Princess Mary's R.A.F. Hospital, Halton, Aylesbury, Bucks.
authors.forename: B J
authors.initials: BJ
authors.lastname: O'Reilly
authors.forename: C
authors.initials: C
authors.lastname: Walter
mesh_terms: D000293:Adolescent; D001863:Bone Screws; D004431:Ear, External; D006801:Humans; D008297:Male; D008416:Mastoid / Q000601:surgery; D019736:Prostheses and Implants; D011475:Prosthesis Failure; D014025:Titanium
chemical_list: D014025:Titanium