What Does The Facial Nerve Control?

What are the symptoms of facial nerve damage?


Facial nerve disorders can cause weakness on one or both sides of your face.

You might lose your facial expressions, and find it difficult to eat, drink and speak clearly.

It can also become difficult to close your eye and blink, which can lead to damage to your cornea..

Where does the facial nerve cross?

Next, the posterior auricular nerve leaves the facial nerve and innervates the posterior auricular and occipitalis muscles. Two small branches innervate the stylohyoid muscle and posterior belly of the digastric muscle. The facial nerve crosses lateral to the styloid process and enters the parotid gland.

Can MRI detect facial nerve damage?

Enhancement of the facial and trigeminal nerves and spinal trigeminal tract can be detected on MRI. However, MRI is not usually indicated in the evaluation of this disorder, as the diagnosis is typically clear from the clinical presentation.

What is the main sensory nerve of the face?

trigeminal nerveThe trigeminal nerve (the fifth cranial nerve, or simply CN V) is a nerve responsible for sensation in the face and motor functions such as biting and chewing; it is the most complex of the cranial nerves.

Can you fix nerve damage in face?

The Facial Nerve Damage Treatment The facial nerve, if well approximated on each side at the site of the injury, can gradually regenerate itself so that gradual improvement is expected. Facial nerve damage symptoms, such as dry eye, are treated with lubricating eye drops.

How do you test for facial nerve damage?

Diagnosis:Electromyography (EMG): An EMG measures a muscle’s electrical activity when stimulated and how fast the muscle responds. … CT or MRI scans: These tests can help determine other causes of facial nerve damage, such as a fracture, infection, or tumors in the head or neck area.

Can trigeminal nerve damage repair itself?

Sensory nerves can be accessed by various routes, all of which leave minimal scarring. Peripheral nerves have potential for self-repair, but it is a slow process that may take 3-4 months or longer. Minor and superficial nerve injuries will often heal themselves.

What are the 5 branches of facial nerve?

Within the parotid gland, the facial nerve divides into five branches:Temporal.Zygomatic.Buccal.Marginal mandibular.Cervical.

Why is the left side of my face not working properly?

Bell’s palsy involves a weakness or paralysis on one side of the face. Symptoms often appear first thing one morning. A person wakes up and finds that one side of their face does not move. The person may find that they suddenly cannot control their facial muscles, usually on one side.

What does the facial nerve do?

The facial nerve is the 7th cranial nerve and carries nerve fibers that control facial movement and expression. The facial nerve also carries nerves that are involved in taste to the anterior 2/3 of the tongue and producing tears (lacrimal gland).

Can facial nerve damage heal?

o Most patients should have some recovery within the first 2-4 weeks, however, complete recovery may take up to 6 months. If you have facial paralysis without recovery for more than 6 months you should see a physician immediately.

How can I calm my facial nerves?

Here are some face exercises that can relieve facial tension:Happy face. Smile as wide as you can, hold for the count of 5 and then relax. … Slack jaw. Let your jaw fully relax and your mouth hang open. … Brow furrow. Wrinkle your forehead by arching your eyebrows as high as possible. … Eye squeeze. … Nose scrunch.

What are the best vitamins for nerve damage?

B vitamins are useful in treating neuropathy since they support healthy nervous system function. Peripheral neuropathy is sometimes caused by a vitamin B deficiency. Supplementation should include vitamin B-1 (thiamine and benfotiamine), B-6, and B-12. You may choose to take these separately instead of as a B complex.

How deep is the facial nerve?

Facial nerve depth was measured in 12 cadaver face halves after bilateral face lift dissections. The main nerve trunk emerged anterior to the midearlobe and was 20.1 ± 3.1 mm deep.

Does facial nerve cross over?

The motor branches of the facial nerve exit the skull base via the stylomastoid foramen. Nerve twigs are immediately provided to the posterior auricular, posterior belly of the digastric and stylohyoid muscles. The facial nerve then bends again to proceed forward to penetrate the posterior aspect of the parotid gland.