Hello Grammyc: Welcome to Neurotalk! Here's what WebMD has to say with regard to bell's palsy (perhaps you've already read it?):

Bell's Palsy Causes, Symptoms, Treatments

From what I've read about it, it sounds as though it typically resolves over a period of a few weeks.

While you're here on NT you might also want to use the Advanced Search function, here on NT, to find previous posts regarding both Trigeminal Neuropathy & bell's palsy:

https://www.neurotalk.org/search.php