Doctors don't completely understand what causes bruxism. Possible physical or psychological causes may include:
July 22, 2014
- Emotions, such as anxiety, stress, anger, frustration or tension
- Aggressive, competitive or hyperactive personality type
- Abnormal alignment of upper and lower teeth (malocclusion)
- Other sleep problems, such as sleep apnea
- Response to pain from an earache or teething (in children)
- Stomach acid reflux into the esophagus
- An uncommon side effect of some psychiatric medications, such as phenothiazines or certain antidepressants
- A coping strategy or focusing habit
- Complication resulting from a disorder such as Huntington's disease or Parkinson's disease
- Teeth grinding. Mouth Healthy. http://www.mouthhealthy.org/en/az-topics/t/teeth-grinding. Accessed Jan. 28, 2014.
- Feu D, et al. A systematic review of etiological and risk factors associated with bruxism. Journal of Orthodontics. 2013;40:163.
- Scrivani SJ, et al. Temporomandibular disorders in adults. http://www.uptodate.com/home. Accessed Jan. 28, 2014.
- Nowak AJ, et al. Oral habits and orofacial development in children. http://www.uptodate.com/home. Accessed Jan. 28, 2014.
- What is bruxism? Academy of General Dentistry. http://www.knowyourteeth.com/infobites/abc/article/?abc=w&iid=292&aid=1137. Accessed Jan. 28, 2014.
- Kato T, et al. Sleep less and bite more: Sleep disorders associated with occlusal loads during sleep. Journal of Prosthodontic Research. 2013;57:69.
- Lobbezoo F, et al. Principles for the management of bruxism. Journal of Oral Rehabilitation. 2008;35:509.
- Golden, AK. Decision Support System. Mayo Clinic, Rochester, Minn. Oct. 10, 2013.
- Silber MH (expert opinion). Mayo Clinic, Rochester, Minn. Feb. 4, 2014.
- Salinas TJ (expert opinion). Mayo Clinic, Rochester, Minn. Feb. 17, 2014.