The amount that the grinder takes
Research consistently links bruxism to stress. People who grind their teeth report higher levels of stress, anxiety, and depression in their lives than those who don’t. Personality studies point the same way: people who score high on neuroticism—a tendency toward worry and emotional instability—are more likely to develop alcoholism, while emotionally stable people are less likely.
Fight or flight
Here’s a possible mechanism: stress activates the body’s fight-or-flight response, releasing adrenaline and cortisol. This increases muscle tension, especially in the mouth, which can manifest as clenching or grinding – especially during sleep. Researchers have even replicated grinding-like behavior in rats by creating emotional stress and adding biological weight to the bond. Many people notice that they drink more after a stressful day or even in anticipation of the day – before a presentation or a big exam, for example.
That being said, stress is not the only cause. Bruxism is usually multifactorial. Other contributors include sleep disorders (short arousals during sleep associated with grinding), improper teeth or mouth structure, conditions such as GERD or temporomandibular dysfunction (TMD), certain neurological or psychiatric conditions, genetic predisposition, and lifestyle factors such as smoking, heavy drinking, and high caffeine intake—people who consume more than twice a day. to crush Certain medications, including some antidepressants, can cause or worsen it.
What happens when stress overwhelms your mouth?
Under sustained stress, the body goes into protective muscle formation – and the jaw, neck and pelvis all respond. Over time, these patterns become habitual, then neurologically connected, then structured. The night watchman comes in during sleep, but the nervous system never gets the message to wake up.
A way most people don’t know
Temporomandibular joint disorder (TMJ) is underdiagnosed and undertreated, in part because its symptoms are so similar to simple clenching or bruxism.
At the heart of the Neural Organization Technique (NE) – a special approach used by kinesiologists – is a principle that many clients find surprising: the sphenoid bone at the base of the skull, the jaw and the pelvis are neurologically and structurally connected, forming an integrated postural system.
Strain anywhere in this system affects the whole. A cup that resists chronic stress can trigger jaw tension. A clenched jaw from fear or overexertion can manifest in your posture, your sleep, and the way you hold your entire body.
NE works on the neural pathways that shape posture, movement and muscle tension – rather than treating the jaw joints in isolation. Part of the protocol includes precise intraoral work done with surgical gloves to help relieve deep tension in the muscles that control the mouth. Because the technique relies on gentle neurological input rather than violent manipulation, it works with nervous system instead of triggering a new stress response.
Do you recognize yourself here?
If you do, the question to ask is not, “How do I protect my teeth?” but “what is my nervous system still in, and why?”
Stress today is structured, daily, and cumulative—and our resilience as a population is truly remarkable. But this resilience comes at a cost when the underlying stressors never resolve.
The body finds a place to accommodate what the mind cannot yet process. For many of us, this place is the mouth.
The good news: the nervous system is not stable. It can react, reset and release the composition it has had for years – but only when we work with it at the level where these patterns actually live.
A final note
Stress is a significant and well-supported contributor to tooth grinding – particularly through muscle tension and its relationship to anxiety. However, it usually works in conjunction with other factors rather than acting alone. If grinding is a regular issue for you, you should seek professional help.
About the author
Liesel Olivier
, is a specialized kinesiologist from South Africa and ASKSA member whose path to trauma mechanics began after a personal health crisis following the birth of fraternal twins.
His research on stress and the central nervous system led him to the Neural Organization Technique (NE). This is a receptor-based protocol developed by New York chiropractor Dr. Carl A. Made by Ferrari.
By using NO, Liesel works in two ways – structural and biochemical – to prevent stress stored in the nervous system.
Helping clients move out of survival mode and into restored physiological function.
