A hip resurfacing surgery is a replacement procedure but the femoral head (ball) is not removed. The ball is capped with a smooth metal covering. The damaged bone and cartilage within the socket is removed and replaced with a metal shell, just as in a traditional total hip replacement.
Hip resurfacing surgery has several advantages and disadvantages. Please speak with your surgeon about your specific condition to determine if this type of procedure is the right choice for you.
Source and for more information: American Academy of Orthopaedic Surgeons (AAOS)
More basic information on hip resurfacing.
For specific instructions from your surgeon, please visit the post operative page.
Current antibiotic protocol for total joint replacement