My jaw clicks majority of the time when i open my mouth. this will sometimes lead to lock jaw. what does this symbolize?

TMJ Problem: The clicking of the jaw is related to an abnormal movement in the tmj. This can be related to an abnormality in the anatomy of the structures that are part of the TMJ or it could be related to an abnormal movement of the meniscus or disc in the tmj. Locking of the jaw can occur with your mouth barely open, suggesting a probable disc problem, or with your mouth wide open, related to anatomy.

TMJ disorder: The only thing that clicks when opening and closing your jaws is the the head of the mandible (condyle) moving on and off of the cartilage (meniscus). This usually means there is a discrepancy between the position of each and is usually a dislocated disc. This in turn creates a mechanical block to the movement of the condylar head and is the reason for an open or closed lock.

TMJ/TMD: Having popping/clicking TMJ noises not necessarily a problem. Many people experience these noises. Without pain or limitation of function the noise itself is not an issue. If you have locking or limited movement, "ear" pain, headaches, morning jaw stiffness/soreness, difficulty chewing, bruxism, previous jaw injuries or other jaw conditions, the problem is more serious. Then see a TMJ specialist.