title: Alternative bearing surfaces--do we need them?
abstract: In this article, we describe briefly the biological mechanisms responsible for aseptic glenoid loosening, review current alternative bearing surfaces, and provide data supporting use of these surfaces for glenoid components.
authors.affiliation: The Rothman Institute at Thomas Jefferson University, Philadelphia, Pennsylvania, USA.
authors.forename: Gerald R
authors.initials: GR
authors.lastname: Williams
authors.forename: Joseph P
authors.initials: JP
authors.lastname: Iannotti
mesh_terms: D001178:Arthroplasty / Q000295:instrumentation* / Q000379:methods; D003432:Cross-Linking Reagents / Q000737:chemistry; D006801:Humans; D007595:Joint Prosthesis; D020959:Polyethylene / Q000737:chemistry; D011474:Prosthesis Design; D011475:Prosthesis Failure; D012785:Shoulder Joint / Q000502:physiology / Q000601:surgery*; D013499:Surface Properties; D016474:Weight-Bearing
chemical_list: D003432:Cross-Linking Reagents; D020959:Polyethylene