Grinding and Clenching
Grinding and clenching are the most common drivers of facial muscle pain, and they are two distinct behaviours rather than one. Awake clenching is a habit tied to concentration and stress and responds to awareness. Sleep grinding is not a habit at all, is generated by the sleeping brain, and does not respond to being told to stop.
Awake clenching is a habit, and habits are reversible
Most awake clenchers are unaware of it until it is pointed out. The teeth should be apart at rest, with the lips together and the tongue on the palate — contact should occur only when swallowing or chewing, which totals a few minutes across a whole day. Concentration, screen work, driving and stress all quietly override that. Habit-reversal works here: intermittent cueing to check jaw position, and a deliberate rest posture to return to, over a few weeks.
Sleep grinding is generated by the sleeping brain
Sleep bruxism occurs in bursts of rhythmic masticatory muscle activity, typically clustered around arousals from lighter sleep. Because it is generated centrally, willpower has no purchase on it. The clinically important consequence is that sleep bruxism is strongly associated with airway compromise: a grinding episode frequently follows an obstructive event, which is why an airway assessment belongs in the workup rather than a guard alone.
What the load actually does
The forces involved are considerable and applied for far longer than chewing ever demands. The visible results are flattened, chipped or shortened teeth, scalloping along the tongue border, a ridge of thickened tissue along the cheek line, and enlarged, tender masseters. The invisible results are morning jaw stiffness, temple headaches on waking, and joint loading that over years contributes to disc displacement and degenerative change.
How it is treated
A properly designed orthotic protects the teeth and can change how the muscles fire, which is the reason a custom device is not interchangeable with a drugstore guard. Alongside it, the drivers are addressed: airway evaluation where sleep bruxism is suspected, habit reversal for awake clenching, and management of stress load and sleep quality. Where muscles remain overactive despite conservative care, targeted therapeutic injections are considered selectively.
Common questions
- My partner says I grind. Should I just buy a guard?
- A drugstore guard is a reasonable short-term barrier for the teeth and a poor long-term answer. Boil-and-bite guards are thick, imprecise, and some designs increase muscle activity rather than reducing it. More importantly, a guard treats the consequence and leaves the cause — often airway — entirely unexamined.
- Does stress cause bruxism?
- It contributes, particularly to awake clenching, but treating it as purely a stress problem is why many people are told to relax and sent away. Sleep bruxism has a substantial airway and central component that stress management alone does not touch.
- Can grinding be stopped completely?
- Awake clenching can genuinely be unlearned. Sleep bruxism is better thought of as managed rather than cured — the realistic goal is protecting the teeth and joint, reducing the muscle consequences, and treating any airway problem driving the arousals.
Not sure where to start?
Request a virtual consultation with Dr. Samadian. In-person visits are by appointment in New York.
Book An AppointmentRelated Care
All Orofacial Pain- Orofacial Pain SpecialistA recognised dental specialty — and what it covers.
- Myofascial PainMuscle pain with predictable trigger points.
- Migraines & HeadachesWhen headache is driven by the jaw and neck.
- Neck & Shoulder PainThe cervical half of a jaw problem.
- Trigeminal NeuralgiaElectric, one-sided facial nerve pain.
- Trigger Point TherapyReleasing the knots that refer pain elsewhere.