Toothache (or tooth pain) in definition:
A toothache (tooth pain) is initiated when the nerve root of a tooth is irritated. A toothache can be caused dental infection, injury, damaged gums, poor hygiene practice at your dentist, cracked tooth, decay and more. Toothache are also warning signs of other health related symptoms such as heart attacks.
It causes sharp pains in occurrences to heat, cold, or sweet stimulation.
To learn more about permanent remedies for toothache, you can find more information here.