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Clinical Trial
. 2005 Nov-Dec;14(6):636-42.
doi: 10.1016/j.jse.2005.05.004.

Radiographic comparison of flat-back and convex-back glenoid components in total shoulder arthroplasty

Istvan Szabo  1 , Florent Buscayret, T Bradley Edwards, Chantal Nemoz, Pascal Boileau, Gilles Walch
Affiliations
Clinical Trial

Radiographic comparison of flat-back and convex-back glenoid components in total shoulder arthroplasty

Istvan Szabo et al. J Shoulder Elbow Surg. 2005 Nov-Dec.

Abstract

The purpose of this study was to compare the radiographic results of 2 different glenoid component designs. This series consisted of 66 shoulder arthroplasties with primary osteoarthritis divided into 2 groups based on glenoid component type. One group comprised shoulders receiving cemented flat-back polyethylene glenoid implants. The other group comprised shoulders receiving cemented convex-back polyethylene glenoid implants. Immediate postoperative and 2-year postoperative radiographs were evaluated for the presence and progression of periglenoid radiolucencies, and the 2 groups were compared. Radiolucent line scores were calculated and compared for each group. The keeled, convex-back glenoid component was radiographically better than the keeled, flat-back glenoid component.

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