Mandible, the largest and strongest bone of the face
Forms the lower jaw
Holds the lower teeth.
Horizontal portion, the
Two perpendicular portions, the
, the tooth bearing area of the mandible
, which makes the temporomandibular joint with the temporal bone
, which provides attachment to the temporalis muscle
Mandibular foramen - paired
Mental foramen - paired.
Inferior alveolar nerve
, branch of the mandibular division of Trigeminal (V) nerve
Enters the mandibular foramen and runs forward in the mandibular canal
supplies sensation to the teeth.
At the mental foramen the nerve divides into two terminal branches : incisive and mental nerves.
The incisive nerve supplies the anterior teeth.
The mental nerve exits the mental foramen and supplies the lower lip.
The mandible articulates with the two temporal bones - temporomandibular joints.
Mandibular fractures are often accompanied by a 'twin fracture' on the contralateral (opposite) side.
The mandible may be dislocated anteriorly and inferiorly from the temporomandibular joint.
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