I have had a "toothache" on the upper left side, but I cannot tell which tooth it is coming from. It is not there all the time. When it does hurt, the five teeth on the top left are sensitive and my whole head starts to hurt. It happens at random times. (Last night it even woke me up from my sleep.) Is this a toothache? (My husband thought it may be sinuses.

Any thoughts?

Please describe the pain. Like electric shocks or dull aches or throbbing pain.

Mostly throbbing, some dull ache.

Is it possible to go to a dentist who will take x-rays to determine if one of those teeth has a cavity? If there are no cavities, he should be able to give you an idea as to what it could be.