Table 1.

PubMed search strategy

1. Hip arthroplasty OR hip replacement OR hip prosthesis OR hip implant.

2. Dislocation OR luxation.

3. Orientation OR position OR malposition OR location OR placement OR fitting OR alignment OR anteversion OR inclination OR abduction.

4. Cup OR acetabular component OR socket OR shell.

5. 1 AND 2 AND 3 AND 4.