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Mandibular Premolar


The mental foramen is an opening in the facial aspect of the mandible in the premolar area.  Its position will cause it to appear radiographically near the apex of the lower second premolar.

The mental foramen provides the exit point from within the mandible for the mental nerve, as well as the inferior alveolar artery.

In periapical radiographs the mental foramen appears as a rounded radiolucency in the apical region distal to the canine and mesial to the first molar.

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