Possibly. Any kind of pain can cause the blood pressure to increase a bit, but not always.
Yes. Pain in general can raise your blood pressure. However, this may not be the only cause of your high blood pressure. I would have your condition checked by your physician and your toothache treated by your dentist.
Could. Any infection in the body can cause bold pressure to increase.
Only temporary. It would not cause a permanent blood pressure problem or a cardiovascular disease. See your dentist and fix the problem.
Yes. Yes, pain potent stimulus to raise blood pressure.