Navigation With X3 vs Non-Navigation With X3 Study

Inclusion criteria

• Patient who is a candidate for a primary total hip arthroplasty (THA) with cementless acetabular and femoral components.
• Patient who has a diagnosis of degenerative joint disease and no bacterial infectious disease.
• Patient who is age 20 or over.
• Patient who signed an Institutional Review Board (IRB)-approved, study specific Informed Patient Consent Form.
• Patient who is willing to and able to comply with postoperative scheduled evaluations.

Exclusion criteria

• Patient who has a bacterial infectious disease or has a high risk of a bacterial infection.
• Patient who requires revision surgery of a previously implanted total hip arthroplasty.
• Patient who is morbidly obese, defined as having a Body Mass Index (BMI) > 45.
• Patient who is or may be pregnant female.
• Patient who has neuromuscular or neurosensory deficiency, which limits ability to evaluate the safety and efficacy of the device.
• Patient with diagnosed systemic disease (i.e. Paget's disease, renal osteodystrophy).
• Patient who is immunologically suppressed or receiving chronic steroids.
• Patient who is judged ineligible with specific reason by primary doctor.