The dual mobility liner: Is it ready for prime time?

Hip instability remains a pressing complication in primary and particularly revision hip arthroplasty. Dual mobility liners were introduced to combat this very issue in the mid 1970s. Initial concerns with the first generation technology concerning wear and intra-prosthetic dislocation has led to improvements in its development. Second generation technology has since been utilized and long-term studies have provided encouraging results. Dual mobility liners are very powerful, but not end all, solution to the issue of post-operative hip instability and can be a powerful tool when used.