The lingual foramen is a small, midline, opening on the posterior or lingual surface of the mandible at the level of the symphysis mentis just above the mental spines (genial tubercle) 1-3.
It may be round or ovoid and is usually single, however, multiple openings may occur in a vertical order.
The opening allows passage of a single artery formed by the anastomoses of a branch of each sublingual artery and additionally the passage of lingual nerve branches 1-3.
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