“About 90% of standard bearing materials last 20 years or longer and 80% last 30 years or longer,” says Dr. Mayman. “Ceramic and metal-on-metal implant wear rates are lower so they could last even longer. In fact, there is no reason to think they will fail ever,” he says. “If we have an honest open conversation with younger patients and they know they may need a revision in the future, it is reasonable to do joint replacement.”