Can you tell me about delta motion hip replacement surgery?

Ceramic hip: You may be referring to the Delta Motion Type of hip prosthesis made by Depuy. It offers a larger femoral had that is made of ceramic. The potential positives include lower wear of the bearing surface vs. a metal head and plastic liner and more stability due to the increased head dieameter. The drawbacks are that some ceramic heads have been associated with a squeak and are harder to revise.