Anatomy relevant to dentistry 2 Suprahyoid muscle



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Anatomy relevant to dentistry 2
Suprahyoid muscle

  • Responsible for opening mandible

  • Attached to the body of the mandible which connects to the hyoid bone (just above the larynx)



Muscles of mastication


Masseter muscle


  • A square shaped muscle that pulls mandible upwards and forwards.

  • Important in chewing, clenching and grinding.



Origin

Lower border of zygomatic arch



Insertion

Outer surface of the ramus




Temporal Muscle


  • A fan shaped muscle that retrudes and protrudes mandible.


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