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The mandibular incisive canal (indicated here by coral green arrows) continuing anteriorly (to the right) from the mandibular canal (purple arrows) after the mental foramen (light green circle). The mental foramen is one of two foramina (openings) located on the anterior surface of the mandible. It is part of the mandibular canal. It transmits ...
Apical foramen, the opening at the tip of the root of a tooth; Foramen ovale (heart), an opening between the venous and arterial sides of the fetal heart; Foramen transversarium, one of a pair of openings in each cervical vertebra, in which the vertebral artery travels; Greater sciatic foramen, a major foramen of the pelvis
The mandibular nerve is one of three branches of the trigeminal nerve, and the only one having motor innervation.One branch of it, the inferior alveolar nerve, as well as the inferior alveolar artery, enter the foramen traveling through the body in the mandibular canal and exit at the mental foramen on the anterior mandible at which point the nerve is known as the mental nerve.
The mandibular canal is continuous with tow foramina: the mental foramen which opens in the mental region of the mandible and carried the distal fibres of the inferior alveolar nerve as the mental nerve; and the mandibular foramen on medial aspect of ramus, into which the mandibular nerve enters to become the inferior alveolar nerve.
A mental spine is a small projection of bone on the posterior aspect of the mandible in the midline. There are usually four mental spines: two superior and two inferior. Collectively they are also known as the genial tubercle, [1] genial apophysis and the Latin name spinae mentalis.
Commonly the origin of the infection is an anterior mandibular tooth with associated periapical abscess which erodes through the buccal cortical plate of the mandibular at a level below the attachment of the mentalis muscle. The mental space also has the mental foramen located laterally on both the right and left sides.
The mandibular foramen, is above the mandibular angle in the middle of each ramus. The mental foramen sits on either side of the mental protuberance (chin) on the body of mandible, usually inferior to the apices of the mandibular first and second premolars. As mandibular growth proceeds in young children, the mental foramen alters in direction ...
The inferior alveolar nerve splits into its two terminal branches within the mandibular canal: the mental nerve (which exits the mandible through the mental foramen), and the incisive nerve which represents an anterior continuation of the inferior alveolar nerve and continues to course within the mandible in the mandibular incisive canal.