NEET PG DENTAL EXAM

Detailed explanation-1: -The facial nerve provides motor innervation of facial muscles that are responsible for facial expression, parasympathetic innervation of the glands of the oral cavity and the lacrimal gland, and sensory innervation of the anterior two-thirds of the tongue.

Detailed explanation-2: -Facial paralysis happens when your facial nerve (cranial nerve #7) becomes damaged. This results in weakness, droopiness and a loss of facial movement on one side (unilateral) or both sides (bilateral) of your face. Facial nerve damage can occur for several reasons, including infection, trauma or stroke.

Detailed explanation-3: -Experts think it’s caused by swelling and inflammation of the nerve that controls the muscles on one side of the face. It could be caused by a reaction that occurs after a viral infection. Symptoms usually start to improve within a few weeks, with complete recovery in about six months.