Practical Guide for Handling Noises in Hard-on-Hard-Bearings

Total hip replacements (THRs) may occasionally produce noise, which is more prevalent with hard-on-hard bearings including ceramic-on-ceramic or metal-on-metal bearings.

Different kinds of noises are reported. The implication of squeaking are not yet fully understood, but evidence to date suggests that it is a largely benign phenomenon that can be considered "normal" just like a clicking knee.

Revision is recommended for defined causes.