I had 6 amalgams removed 3 weeks ago and two of the teeth are sensitive to cold and hot , my dentist told me that the two that are sensitive were deeper fillings than the others and said it will take up to three to six months for the sensitivity to go away totally (he explained that when you disturb the nerves in the tooth that it will take a while for the nerves to settle down again ) makes sense to me !! as for the jaw pain
it sounds like your bite is to high on one side of your mouth had the same thing before amalgam removal the dentist adjusted the bite and problem was solved