Shoulder Arthroplasty with or without Resurfacing of the Glenoid in Patients Who Have Osteoarthritis*

Abstract
Background:The indications for resurfacing of the glenoid in patients who have osteoarthritis of the shoulder are not clearly defined; some investigators routinely perform hemiarthroplasty whereas others perform total shoulder arthroplasty.Methods:Forty-seven patients (fifty-one shoulders) w

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