Can A Maxillary Surgery Caused Jaw Drop Lead To Trigeminal Neuralgia?

I was diagnosed with Trigeminal Nueralgia 7 yrs ago and am taking 1900mg of tegrital a day, 1200 mg of Gababentin, 60 mg of baclafen and 30 mg of a very strong pain medication every 24 hrs. Tired of all the pills and finally approved for surgery. I know that blood clot, tumor, or anyerisum putting pressure on T. nerve can cause pain, but can you tell me .... if my pain stems from lower jaw, but has excalated over 7 yrs to cause me pain when trying to talk, eat/chew, swallow especially when food or drink is cold. Note: My dentist said my upper right jaw has dropped and rather than oral surgeon raising my upper jaw back into nasal cavity maxillary surgery? they decided to cut upper right jaw bone and bone graft so that they can make dentures. They said I have plenty of bone and raising jaw not necessary. I want to know if my jaw dropping over the years could have caused Trigeminal Nueralgia, and did I make a mistake not getting a second opinion. I have been in severe pain and with electrical current like pain that is like no other. Makes labor seem like a cake walk :(