Osteolysis refers to an active resorption or dissolution of bone tissue as part of an ongoing disease process. Terminology While bone resorption's commonly associated with many diseases or joint problems, the term osteolysis generally refers to a problem common to artificial joint replacements such as total hip replacements, total knee replacements and total shoulder replacements. Causes In total hip replacement, the particles worn off the gliding surface of the ball and socket joint often cau… (More on Osteolysis)