Medical Definition of Bruxism

  • Medical Author:
    William C. Shiel Jr., MD, FACP, FACR

    Dr. Shiel received a Bachelor of Science degree with honors from the University of Notre Dame. There he was involved in research in radiation biology and received the Huisking Scholarship. After graduating from St. Louis University School of Medicine, he completed his Internal Medicine residency and Rheumatology fellowship at the University of California, Irvine. He is board-certified in Internal Medicine and Rheumatology.

Bruxism: Grinding and gnashing of the teeth. Bruxism is due to clenching of the teeth other than in chewing and is associated with forceful lateral or protrusive jaw movements. This results in the grinding or rubbing together of the teeth. Bruxism can injure teeth and cause local pain in the mouth or jaw and may contribute to temporomandibular joint (TMJ) syndrome.

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Reviewed on 12/11/2018

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