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Bruxism

Michael L. Bleeker, DMD

Bruxism refers to parafunctional activity of the lower jaw which occurs in most humans at some point in their lives.  The grinding and clenching of the teeth are the two main characteristics of this condition, which can occur either during the day or at night.

Bruxism is frequently misdiagnosed or not diagnosed at all, because it is only one of several potential causes of tooth wear.  Only a trained professional can tell the difference between bruxing wear and wear caused by overly aggressive brushing, acidic soft drinks and abrasive foods.

Reasons of bruxism

Here are some of the main reasons why bruxism should be promptly treated:

  • Gum recession and tooth loss – Bruxism is one of the leading causes of gum recession and tooth loss; firstly because it damages the soft tissue directly, and secondly because it leads to loose teeth and deep pockets where bacteria can colonize and destroy the supporting bone.

  • Occlusal trauma – The abnormal wear patterns on the occlusal (chewing) surfaces can lead to fractures in the teeth, which may require restorative treatment.

  • Arthritis – In severe and chronic cases, bruxing can eventually lead to painful arthritis in the temporomandibular (TMJ) joints.

  • Myofascial pain – The grinding associated with bruxism can eventually shorten and blunt the teeth.  This can lead to muscle pain in the myofascial region and debilitating headaches.

Treatment options for bruxism

There is no single cure for bruxism, though a variety of helpful devices and tools are available.  Here are some common ways in which bruxism is treated:

  • Mouthguards – An acrylic mouthguard can be designed from tooth impressions to minimize the abrasive action of tooth surfaces during normal sleep.  Mouthguards should be worn on a long-term basis to help prevent tooth damage, damage to the temporomandibular joint and help to stabilize the occlusion.
  • Botox® – Botox® can be injected into the muscles to relax and weaken them.  Botox® is an excellent treatment for bruxism because it weakens the muscles enough to prevent the grinding, but not enough to interfere with everyday functions like chewing and speaking.
  • Orthodontics -  Realigning the teeth can lead to the most reliable long term prognosis for tooth grinding.

Other methods of treatment include relaxation exercises, stress management education and biofeedback mechanisms.  When the bruxing is under control, there are a variety of dental procedures such as crowns, gum grafts and crown lengthening that can restore a pleasant aesthetic appearance to the smile.

If you have questions or concerns about bruxism, please ask us!




Michael L Bleeker, DMD
7502 E Pinnacle Peak Rd #B119 Scottsdale, AZ 85255
Phone: (480) 306-8510 URL of Map