Mylohyoid Muscle — NDEB AFK MCQ
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Correct answer: B — Mylohyoid
The mylohyoid muscle forms the muscular floor of the oral cavity (oral diaphragm). It originates from the mylohyoid line on the internal surface of the mandible and inserts into the midline mylohyoid raphe and the body of the hyoid bone. It is innervated by the mylohyoid nerve (branch of V3 from the IAN). Roots of mandibular molars that extend below the mylohyoid line can be displaced into the submandibular space if fractured during extraction.
Reference: Moore – Clinically Oriented Anatomy, 9th ed., 2019