Teeth Grinding (Bruxism): Causes, Signs and What It Does to Your Teeth

Bruxism is the repeated clenching or grinding of the teeth, either during sleep or while awake, and many people are not aware they do it until a partner mentions the noise or a dentist notices the wear on their teeth. Sleep bruxism tends to involve grinding movements and is often linked to sleep quality, while awake bruxism is usually clenching without side-to-side movement and is more often linked to concentration or stress. Occasional grinding is common and not usually harmful, but regular grinding can gradually flatten, chip or crack teeth, strain the jaw muscles and joint, and in some cases contribute to headaches. A dentist assesses the pattern of wear and the jaw muscles before recommending any treatment.

Teeth grinding is common, and most people find out about it from a dentist rather than noticing it themselves. It can happen during sleep or while awake, and the two forms are usually linked to different triggers — sleep quality on one hand, stress or concentration on the other. Left unmanaged over years, grinding can wear down the biting surfaces of teeth, chip edges, crack fillings or crowns, and tire out the jaw muscles, which is why a dentist looks at the wear pattern even when a patient has not noticed any symptoms themselves.

Sleep bruxism happens during sleep and usually involves grinding the teeth from side to side, which produces the wear patterns and the noise that a partner may notice. It is often linked with other sleep-related factors, including snoring and, in some people, sleep apnoea, so a dentist may ask about sleep quality as part of the assessment. Awake bruxism is more often clenching than grinding — the jaw muscles tighten without much lateral movement — and tends to happen during concentration, stress or anger, sometimes without the person noticing until their jaw feels tired or tight. The two forms can occur in the same person, and the pattern of wear on the teeth often gives a dentist clues about which is happening.

Bruxism can show itself gradually, and several of these signs often appear together before a person realises they grind their teeth:

If you notice several of these together, a free online consultation is a simple first step — send photos of your teeth and describe what you have noticed, and our dentists reply with an initial assessment.

Bruxism rarely has a single cause, and several factors often act together:

Because the causes overlap, a dentist usually looks at the whole picture — stress, sleep, habits and the teeth themselves — rather than assuming a single cause.

Occasional, mild grinding that a dentist notices at a routine check-up does not usually need urgent attention. See a dentist sooner if your jaw locks or feels stuck, if you have severe or worsening jaw pain, if a tooth has broken or a filling or crown has come loose, or if headaches linked to your jaw are becoming frequent. If you or a partner suspect sleep apnoea — for example, loud snoring with pauses in breathing, or daytime sleepiness — this is worth raising with your GP, since treating an underlying sleep problem can also reduce grinding.

Diagnosis usually starts with a clinical examination: the dentist looks at the pattern of wear across the teeth, checks the jaw muscles and joint for tenderness or tightness, and asks about symptoms such as morning headaches, jaw pain or a partner reporting grinding sounds. This history is often as useful as the examination itself, since not everyone grinds heavily enough to leave obvious marks. Where sleep apnoea is suspected, a dentist may suggest a sleep assessment with your GP rather than diagnosing this directly.

Our process starts with a free online consultation: send clear photos of your teeth and describe any jaw pain, headaches or noises you or a partner have noticed, and our dentists, led by Dt. Vijdan Aslanoğlu, reply with an initial assessment before you book anything.

Not every case of bruxism needs active treatment. Mild, occasional grinding without wear or pain is often simply monitored at routine check-ups. Treatment becomes more relevant once there is visible wear, chipping, sensitivity, jaw discomfort or damage to fillings and crowns, since the goal at that point shifts to protecting the teeth and easing the jaw muscles rather than stopping the habit itself, which is not always fully possible. Left unmanaged, ongoing grinding can flatten teeth further, crack restorations, and keep the jaw muscles under strain.

Once an assessment confirms grinding, a dentist usually discusses a combination of the following, depending on the wear and how the jaw feels:

Which combination applies to you depends on the wear your dentist sees and how your jaw feels, not on a fixed protocol.

Teeth grinding is closely linked to worn teeth and to the treatments used to protect and repair them.

As a general pattern, visible wear, chips or cracks point toward protecting and repairing the teeth alongside a night guard, while jaw ache or tightness without much visible wear points more toward easing the jaw muscles. Many patients need a combination of both once the assessment is complete.

A custom night guard and botulinum toxin injections work in different ways and are sometimes used together rather than as strict alternatives. Our bruxism treatment page compares the two in more detail.

At Er Dental Clinic, teeth grinding is assessed by Dt. Vijdan Aslanoğlu together with our restorative dentistry team. The process starts with a free online consultation: send photos of your teeth and describe any jaw pain, headaches or noises you or a partner have noticed, and you receive an initial assessment before travelling. At the clinic, an examination of the wear pattern and jaw muscles confirms whether a custom night guard, tooth repair, botulinum toxin injections or a combination of these fits your situation, and the proposed plan and cost are set out in writing before treatment begins.

The clinic holds an International Health Tourism Authorization Certificate issued by the Republic of Türkiye Ministry of Health (certificate no. ST-6264), which you can verify on the e-Devlet document verification service at turkiye.gov.tr/saglik-bakanligi-ebys.

Send us a photo of your teeth on WhatsApp, or through a free online consultation, especially if you notice wear, chipping or morning jaw pain. Our dentists review it and reply with an initial assessment and the options that may apply — a custom night guard, tooth repair, or other approaches — so you can decide with confidence before booking anything.