hi I am 71, I have heaf tremors for a number of years, The neurologist says not PD, however I had some teeth work done recently, they placed a bar and I began having jaw tremors,. i have had episodes of waking up with yawning for 45 minutes. Anyway I notied after having Bells Palsy a weakinung of my voicewhen singing and now my jaw seems to tremble a lot?