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Tooth Grinding and Clenching
(Bruxism)

Teeth grinding and jaw clenching is often related to stress or anxiety. It is extremely common and in fact I myself grind my teeth!

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How do I know if I grind or clench my teeth?

​Most people who grind their teeth and clench their jaw aren't often aware they're doing it. Commonly it is due to stress and nervousness, anger or frustration. Also, some medicines can cause bruxism.

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Some of the signs and symptoms includes:

  • Grinding which may be loud enough to wake up your partner

  • Teeth that are flattened, fractured, chipped or loose

  • Worn tooth enamel, exposing deeper layers of your tooth

  • Increased tooth pain or sensitivity

  • Damage from chewing on the inside of your cheek

  • Sleep disruption

Understanding your TMJ (jaw joint)

You may not think about your temporomandibular joints (TMJ) much, but you use them a lot. The joints connect your jawbone to your skull. Your TMJ springs into action each time you talk, chew, yawn and swallow.

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TMJ disorders occur when something goes wrong with your jaw joints and jaw muscles.  TMJ disorders may cause mild to debilitating symptoms, such as:

  • Pain while chewing

  • Pain in the ear, face, jaw, and neck

  • Clicking, grating, or popping sounds in the jaw when you open or close your mouth

  • Locking of the jaw joint

  • Dull headaches, especially around the temples 

  • Pain that feels like an earache, though it's actually not a problem with your ear

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When should I see the dentist?

You should see your dentist if you find that you have some of the above symptoms and they will check if you have any evidence of grinding or clenching.

 

You may need dental treatment if your teeth are worn through grinding to avoid developing further problems.

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How do you treat grinding and clenching?

The initial treatment for grinding is by using a mouthguard or splint that reduces the symptoms. They also help to reduce pain, prevent tooth wear and protect against further damage.

 

Mouthguards and splints even out the pressure across your jaw and create a physical barrier between your teeth to protect them from damage. They can also reduce any grinding noises you make at night. Mouthguards are similar to those used in sports such as boxing or rugby. They are made from plastic and are custom fitted to your mouth.

 

A mouth splint is made from harder plastic and fits precisely over your teeth and are longer lasting, meaning that replacements are less frequent.

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Jaw exercises are helpful and when you visit your dentist, ask about these and a demonstration. 

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Other ways to manage your TMJ pain

Over-the-counter pain relievers such as ibuprofen and paracetamol may help relieve TMJ pain. Muscle relaxers may be prescribed for severe pain. Other managements include:

  • Warm towels

  • Stress-relief techniques to help prevent behaviours that cause jaw tension

  • Go on holiday! (or quit your stressful job)

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TMJ pain may also be managed with simple lifestyle changes. You may wish to:

  • Eat a soft diet to allow the TMJ to relax, 

  • Avoid chewing gum 

  • Avoid biting your nails 

  • Limit large jaw movements, such as yawning and singing

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