Doctors aren’t sure what causes Bell’s palsy, but they suspect a virus causes the facial nerve to swell, which affects its blood supply and function. It may be weeks or even months before you recover.

Medically reviewed by Maria M. LoTempio, MD Facial nerve paralysis describes weakness in the muscles on one or both sides of your face that causes an inability to smile, blink, or control other ...

Facial numbness can occur when nerves in the face become damaged or inflamed. ... A stroke is an interruption in the blood supply to the brain.

In the superficial group, the harmonic scalpel reduced blood loss during surgery, drainage afterward and facial nerve trauma, says Dr. Gourin, corresponding author on the study.

The tissue is connected to a nerve and blood supply in the face. Sometimes it also involves a nerve graft from the leg to the working side of the face. This is often a two-stage procedure and requires ...

But transplanting the whole eye — the eyeball, its blood supply and the critical optic nerve that must connect it to the brain — is considered a moonshot in the quest to cure blindness.

Special Scalpel Reduces Blood Loss, Facial Nerve Trauma In Salivary Surgery. ScienceDaily. Retrieved June 4, 2025 from www.sciencedaily.com / releases / 2005 / 06 / 050628063857.htm.