The investigators primary objective of this study is to evaluate radiographic fit and fill of the Insignia stem and identify risk factors for aseptic failure. The investigators hypotheses being tested is: the newly designed Insignia stem demonstrates acceptable radiographic fit and fill by reviewing radiolucent lines \<2mm.
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AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.
Radiographs review
Timeframe: Pre-operative
Radiographs review
Timeframe: 6-weeks post-operative
Radiographs review
Timeframe: 1-year post-operative
Radiographs review
Timeframe: 2-years post-operative