After parotidectomy, numbness on the during shaving is due to damage of:
Complications of Parotidectomy: Hematoma Infection Deformity Temporary / permanent facial weakness - d/t facial Nerve resection Facial numbness Sialocele Permanent numbness of the ear lobe - due to Great Auricular nerve transection - Sensory abnormality Frey's Syndrome/Gustatory sweating/ Auriculo temporal syndrome.
Auriculotemporal nerve
Facial nerve
Mandibular nerve
Greater auricular nerve
Salivary Glands