How can bruxism cause headaches? Bruxism causes morning, tension, and migraine headaches via jaw muscle fatigue and trigeminal sensitization. Learn the types, triggers, and relief options.
Written by Ann C. McCulloch, MBA | Medically Reviewed by Bradley Allen Eli, DMD, MS
There’s no single treatment that eliminates jaw clenching entirely, but a combination of self-care, awareness-building, and addressing what’s driving the clenching in the first place can meaningfully reduce how often it happens and the toll it takes on your jaw. Because jaw clenching is genuinely common — research estimates it affects roughly one in four people to some degree — a stepwise, multimodal approach tends to work far better than any single fix.
Clenching that happens while you’re awake tends to be a semi-voluntary habit, often triggered by stress, concentration, or emotional tension — which makes it genuinely responsive to awareness and habit-based strategies. Clenching during sleep is different: it’s an involuntary movement, so treatment there focuses more on protecting the teeth and jaw while addressing contributing factors like sleep quality. Many people do some of both. This article covers strategies that help with either, though if nighttime clenching is your main concern, our guide on how to stop clenching teeth at night goes into more detail on that side specifically.
Because clenching is rarely caused by just one thing, starting with a combination of simple, low-risk measures makes sense before layering in anything more specialized. This is the idea behind the Speed2Treat® Home Healing Kit — rather than relying on a single tool, it pairs the QuickSplint® anterior bite guard, which you make at home in minutes and wear short-term while you sleep, with a hot/cold therapy wrap for sore jaw and neck muscles, a simple pain tracker to monitor your progress, and jaw exercises and educational videos that support the awareness and self-care strategies described throughout this article. Used together over the kit’s 4-week structure, these pieces address both the physical muscle tension clenching causes and the habits that drive it — rather than treating clenching as something a single appliance alone can fix.
For clenching that happens during waking hours, the most effective starting point is simply noticing when it happens. A few approaches with real support behind them:
“People often assume there is a single reason they clench their jaw, but that is rarely the case. Bruxism is usually multifactorial, with stress, sleep disturbances, medications, and jaw pain each capable of reinforcing the cycle and making the behavior more persistent,” explains Bradley Eli, DMD, MS, an orofacial pain specialist.
Working on the underlying drivers often makes the awareness-based strategies above more effective, not less necessary:
Regardless of what’s driving the clenching, the muscle tension it creates deserves its own attention in the meantime. Jaw rest and heat or cold therapy can help ease sore jaw muscles during a flare-up, and an anterior bite guard can reduce muscle hyperactivity and interrupt the muscle-guarding cycle that often keeps clenching going even after the original trigger has passed. This is exactly where the components in the Speed2Treat® Home Healing Kit are designed to work together — giving the jaw muscles a chance to rest and reset while the underlying habits and drivers are addressed.
For clenching that persists despite consistent self-care and awareness work, a few additional options have research support:
A broad review of the available research on bruxism treatments found that while many interventions show some positive effect, the overall evidence remains mixed across different approaches — reinforcing that a combination strategy, rather than searching for one definitive fix, is the most realistic path forward for most people.
It can be meaningfully reduced, though there’s no guaranteed cure. A combination of self-care, awareness training, and addressing underlying drivers like stress or sleep tends to work far better than any single approach.
Starting with simple, low-risk measures — jaw rest, heat or cold therapy, and an anterior bite guard — while building awareness of when clenching happens is a reasonable, well-supported starting point before moving to more specialized treatments.
Stress and anxiety are the most consistent drivers, but sleep quality, certain medications, and existing jaw pain can all contribute as well, which is why addressing more than one factor at a time tends to work best.
A mouthguard can help protect teeth and reduce muscle hyperactivity, but it doesn’t address the underlying habits, stress, or sleep factors that often drive clenching. It works best as one part of a broader approach rather than a standalone fix.
Not entirely. Daytime clenching is more of a conscious habit that responds well to awareness training, while nighttime clenching is involuntary and tends to focus more on protecting the teeth and addressing sleep quality.
If clenching persists despite consistent self-care and awareness efforts, or if it’s causing ongoing jaw pain, tooth damage, or disrupted sleep, it’s worth discussing additional options like biofeedback or botulinum toxin with an orofacial pain specialist.
