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Mandible is another term for the lower jaw.



The mandible is the largest and strongest bone in the face and forms the lower part of the jaw and part of the mouth. To learn more about the anatomy of the mandible, see the Gray's anatomy section on the mandible.

Chewing and mandible

The mandible is the only moveable bone of the skull and is attached to muscles involved in chewing and other mouth movements. Did you know that the strongest muscle based on its weight is the masseter. With all muscles of the jaw working together it can close the teeth with a force as great as 55 pounds (25 kilograms) on the incisors or 200 pounds (90.7 kilograms) on the molars.

Jaw elevation
Jaw elevation

Bottom teeth

The mandible holds the bottom teeth in place.

Other names

Also called lower jaw bone.

Temporomandibular joint

The jaw bone attaches to the skull at the temporomandibular joint.

Common of disorders of the mandible

  • Overbite malocclusion in which the upper teeth extend abnormally far over the lower teeth
  • Prognathism the condition of being prognathous; the condition of having a projecting jaw
  • Malocclusion a condition in which the opposing teeth do not mesh normally

Other disorders of the mandible


WikiMD Resources - Mandible

Latest research (Pubmed)


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