Can jaw or TMJ problems affect the trigeminal nerve?

Yes, jaw or temporomandibular joint (TMJ) problems can affect the trigeminal nerve. The TMJ is located near the trigeminal nerve, which controls sensations in the face and jaw muscles. When the jaw is misaligned or there is inflammation in the TMJ, it can put pressure on the trigeminal nerve, leading to pain or discomfort. This can cause symptoms like jaw pain, headaches, earaches, or facial pain, which may feel like nerve pain.

In more serious cases, the pressure on the trigeminal nerve from TMJ problems can trigger trigeminal neuralgia, a condition that causes sudden and severe facial pain. People with TMJ disorders may also experience difficulty chewing or opening their mouth, and the pain can spread to other areas of the face or neck due to the nerve's involvement. Treating TMJ issues, such as through physical therapy or dental adjustments, can help relieve pressure on the trigeminal nerve and reduce symptoms.