CausesBy Mayo Clinic staff
Doctors don't completely understand what causes bruxism. Possible physical or psychological causes may include:
- Anxiety, stress or tension
- Suppressed anger or frustration
- Aggressive, competitive or hyperactive personality type
- Abnormal alignment of upper and lower teeth (malocclusion)
- Other sleep problems
- Response to pain from an earache or teething (in children)
- Complication resulting from a disorder, such as Huntington's disease or Parkinson's disease
- An uncommon side effect of some psychiatric medications, including certain antidepressants
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- What is bruxism? Academy of General Dentistry. http://www.knowyourteeth.com/infobites/abc/article/?abc=w&iid=292&aid=1137. Accessed Jan. 27, 2011.
- ADA Division of Communications. For the dental patient ... do you grind your teeth? Journal of the American Dental Association. 2005;136:559.
- Kato T. Sleep bruxism: A sleep-related movement disorder. Sleep Medicine Clinic. 2010;5:9.
- Lobbezoo F. Principles for the management of bruxism. Journal of Oral Rehabilitation. 2008;35:509.