A rotator cuff tear is a common cause of pain among adults. In fact, every year almost 2 million people in the United States visit their doctors because of a rotator cuff problem.
Nearly 53,000 shoulder replacements are performed in the U.S. every year. In shoulder replacement surgery, the damaged articulating parts of the shoulder joint are removed and replaced with artificial prostheses. Replacement of both the humeral head and the socket is called a total shoulder replacement.