TREATMENTS
Bruxism and teeth grinding
Bruxism describes repetitive jaw-muscle activity that can occur while awake or during sleep.
SHORT ANSWER
Bruxism describes repetitive jaw-muscle activity that can occur while awake or during sleep. It is not one disease with one cause, and stress should not be treated as the explanation for every case.
Awake and sleep bruxism are different: Awake bruxism often involves clenching or sustained tooth contact during the day. Sleep bruxism is a sleep-related motor activity. The assessment may therefore include different triggers, symptoms and associated conditions.
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Awake and sleep bruxism are different
Awake bruxism often involves clenching or sustained tooth contact during the day. Sleep bruxism is a sleep-related motor activity. The assessment may therefore include different triggers, symptoms and associated conditions.
Possible effects
Some people show tooth wear, fractures, restoration damage, muscle fatigue or jaw discomfort. Others have signs of bruxism without pain. Tooth wear also has other causes, so the pattern needs interpretation rather than automatic attribution.
Occlusal splints
A night guard can protect teeth and restorations from some mechanical consequences. It should not be described as a cure for the underlying behaviour.
Botulinum toxin
Botulinum toxin is sometimes discussed for jaw-muscle symptoms, but evidence and indications are more limited than marketing often suggests. It is not a universal first-line solution for bruxism.
Diagnosis is often probabilistic
Wear facets, fractured restorations and jaw-muscle symptoms can suggest bruxism, but no single sign proves the frequency or severity of grinding during sleep. Sleep studies are not routinely needed for every dental bruxism concern, but sleep medicine becomes relevant when other symptoms point in that direction.
Behavioural awareness in awake bruxism
Daytime clenching can sometimes be addressed by increasing awareness of sustained tooth contact and identifying repeated situations in which jaw muscles remain tense. The objective is not to force the jaw into a rigid “correct position” all day.
Restorative planning
Patients who fracture or wear teeth and restorations may need the load pattern considered before cosmetic bonding, veneers or implant restorations are planned. Treating the appearance without considering the mechanical environment can shorten restoration life.
Questions to ask
- Are my symptoms more consistent with awake or sleep bruxism?
- Is there another explanation for the tooth wear?
- What is the purpose of a splint in my case?
- Are snoring or sleep-apnoea symptoms relevant?
Bruxism can coexist with temporomandibular symptoms without being the only cause
Jaw pain, clicking, limited opening and headaches have multiple possible contributors. It is overly simplistic to label every temporomandibular complaint as “teeth grinding”. The history and examination should guide whether dental, behavioural, physiotherapy or medical input is appropriate.
Splints have different designs and purposes
An occlusal splint may be designed to protect teeth, redistribute contacts or support diagnosis. A soft over-the-counter guard is not equivalent to every professionally made appliance, and no appliance should be presented as a reliable way to stop the central motor activity of sleep bruxism in every patient.
Cosmetic dentistry and bruxism
When veneers, bonding or implant restorations are being considered, the mechanical history matters. Existing wear or repeated fractures can influence material choice, design and the discussion about protective appliances.
References and verification links
- Standardised Tool for the Assessment of Bruxism (2024)
- https://www.dtezgiaydin.com.tr/dis-sikma-bruksizm/
- International consensus on the assessment of bruxism: Report of a work in progress (2018)
- Bruxism defined and graded: an international consensus (2012)
- Efficacy of botulinum toxin type A in bruxism management: A systematic review (2025)
- https://aaoms.org/publications/position-papers/clinical-papers/
This page provides general information and does not replace an in-person dental examination, diagnosis or an individual treatment plan.