TMJ pain doesn’t come out of nowhere. The temporomandibular joint works hard every day—helping you eat, talk, and express emotion—so it’s no surprise it’s prone to strain. 

But maybe you’re unsure what exactly is driving your TMJ pain. Below, we explore the common causes of TMJ pain, helping you figure out your next step!

1. Spinal Misalignment in the Cervical Region

When vertebrae in your cervical spine shift out of proper alignment, they create a ripple effect that directly impacts TMJ function. These misalignments alter how nerves communicate with the muscles controlling your jaw, leading to uneven muscle tension and joint stress.

Your body compensates for spinal misalignments by adjusting muscle patterns throughout the head and neck region. This compensation forces your jaw to work asymmetrically, placing excessive strain on one side of the TMJ. Over time, this uneven workload causes inflammation, cartilage wear, and painful trigger points in the surrounding muscles.

2. Poor Posture and Forward Head Position

Hours spent looking at screens, driving, or working at a desk often result in forward head posture, where your head juts forward of your shoulders. This positioning places tremendous strain on your TMJ by altering the natural balance of the muscles and ligaments that support your jaw.

When your head sits forward of its ideal position, the muscles at the back of your neck tighten while those in front become overstretched. This imbalance extends to your jaw muscles, forcing them to work against abnormal resistance every time you open or close your mouth. The altered mechanics gradually wear down the joint surfaces and stretch supportive ligaments beyond their intended range.

3. Teeth Grinding and Clenching (Bruxism)

Unconscious grinding or clenching of teeth, particularly during sleep, places excessive force on your temporomandibular joint. This repetitive pressure can damage the cartilage cushioning the joint, leading to bone-on-bone contact that generates significant pain and inflammation. The constant muscle activity associated with bruxism creates chronic tension extending into your temples, neck, and shoulders.

The forces generated during teeth grinding far exceed those of normal chewing. Your TMJ wasn’t designed to withstand this level of sustained force, and the resulting microtrauma accumulates over time, breaking down joint structures and irritating nearby nerves.

4. Structural Jaw Abnormalities and Malocclusion

Sometimes TMJ pain stems from the structural arrangement of your jaw and teeth. Malocclusion, where your upper and lower teeth don’t align properly, forces your jaw to adjust its position to achieve a functional bite. This constant adjustment strains the TMJ and surrounding muscles, creating chronic discomfort and dysfunction.

Structural abnormalities might include asymmetrical jaw development, where one side of your jaw grows differently from the other, or congenital variations in joint shape. These structural differences mean your TMJ must work harder to perform basic functions, accelerating wear and increasing susceptibility to inflammation and pain.

5. Previous Trauma or Injury to the Head and Neck

Past injuries to your head, neck, or jaw can trigger TMJ problems months or even years after the initial incident. For instance, whiplash from car accidents, falls, or sports injuries can damage the delicate ligaments supporting your TMJ or create lasting misalignments in your cervical spine. Even seemingly minor impacts can disrupt the precise balance required for healthy jaw function.

The effects of trauma often compound over time as your body develops compensatory patterns around the injured area. Scar tissue formation, altered nerve function, and chronic muscle guarding all contribute to ongoing TMJ dysfunction.

Ready to tackle your TMJ pain? Your Montrose chiropractor is here to help. At New Life Chiropractic, our team conducts a thorough assessment, which helps tailor a treatment plan specific to you and your pain. Contact us today to learn more!