Damage to the facial nerve can happen following treatment, causing facial palsy. Damage to the vestibulocochlear nerve can cause permanent deafness, but more often results in partial loss of hearing. If the trigeminal nerve is permanently damaged, this can also result in loss of feeling in the face.

LSOphoto / Getty Images
This site offers information designed for educational purposes only. You should not rely on any information on this site as a substitute for professional medical advice, diagnosis, treatment, or as a substitute for, professional counseling care, advice, diagnosis, or treatment. If you have any concerns or questions about your health, you should always consult with a physician or other healthcare professional.