Origin: Anterior mandible
Nerve: Mandibular branch of facial nerve
Action: Elevates and wrinkles skin ofchin, protrudes lower lip
The Mentalis (Levator menti) is a small conical fasciculus, situated at the side of the frenulum of the lower lip. It arises from the incisive fossa of the mandible, and descends to be inserted into the integument of the chin.