Mental spines provide attachment to
Mental spine also known as genial tubercle, is a small bony elevation found on the inner surface of mandible, in the midline.
There are 4 mental spines - superior and inferior pair.


Superior genial tubercle gives origin to genioglossus muscle of tongue.
Inferior genial tubercle gives origin to geniohyoid muscle.
Genioglossus
Anterior & posterior bellies of digastric
Mylohyoid
Superior constrictor of pharynx