Am I sensitive because my tooth hurts when I shake my head? What could be the potential causes of why I am experiencing such a condition? We all know that toothache is the worst source of pain ever. Even the team at Beyond Infinity Dental often sees patients complaining about headaches. Relative to their headaches, a tooth problem exists as well. In this case, shall we consider this as sensitivity? Let’s look for some more details to answer our questions.