The mandibular lymph node is a lymph node found near the jaw.

What causes mandibular lymph nodes to swell?

Nonmalignant swelling may be caused by mumps, sialadenitis, Sjögren syndrome, cysts and infections. Submandibular lymphadenopathy may also result from infections of teeth, upper respiratory track, sinuses and tonsils or infections mononucleosis and cut scratch disease.

Are there lymph nodes near the mandible?

A network of lymph nodes helps your immune system protect your body from illnesses. These lymph nodes are located in the head and neck, including under the jaw and chin.