P0556 The Influence of Digital Radiography Navigation on Improving Component Placement during Total Hip Arthroplasty

P0557 Thin Highly Cross-Linked Polyethylene Liners Combined with Large Femoral Heads in Primary Total Hip Arthroplasty Shows Excellent Survival and Low Wear Rates at a Mean Follow Up of 12.8 Years

P0558 Dual Mobility Articulation in Revision Total Hip Arthroplasty: An American Joint Replacement Registry Analysis

P0559 Thirty Years of Experience with Instrumented Femoral Revisions using Impaction Bone Grafting and a Cemented Polished Stem: A Prospective Cohort Study of 208 Revision Arthroplasties Performed between 1991 and 2007

P0560 How does Surgical Approach Affect Characteristics of Dislocation after Total Hip Arthroplasty?