What effect does aging have on the TMJ?

Aging can lead to degenerative changes in the temporomandibular joint (TMJ) primarily due to the wear and tear on the cartilage and skeletal structures that occurs over time. As individuals age, the synovial fluid that lubricates the joint may decrease in quality, impacting joint mobility and increasing friction during movement. Additionally, the cartilage within the TMJ can become thinner and less resilient, making it more susceptible to conditions such as osteoarthritis. This can result in the development of pain, stiffness, and limited range of motion in the jaw, reflecting the overall decline in joint health associated with aging.

The other options do not accurately address the reality of TMJ changes associated with aging. While it might seem that aging would not affect the TMJ or even improve its function, research indicates that age-related changes predominantly lead to degenerative processes. Focusing solely on muscle tension overlooks the structural changes to the joint itself, which are significant as one ages.