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Spasmodic contraction of the masseter muscle resulting in forceful jaw closure. This may be seen with a variety of diseases, including TETANUS, as a complication of radiation therapy, trauma, or in association with neoplastic conditions.

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Tree Number(s): C10.597.613.750.700, C23.888.592.608.750.700

MeSH Unique ID: D014313

Entry Terms:

  • Lockjaw
  • Lock Jaw
  • Masseter Muscle Spasm
  • Masseter Muscle Spasms
  • Muscle Spasm, Masseter
  • Muscle Spasms, Masseter
  • Spasm, Masseter Muscle
  • Spasms, Masseter Muscle
  • Masseter Spasm
  • Masseter Spasms
  • Spasm, Masseter
  • Spasms, Masseter

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