A tooth ache is the aftermath of eating too much of sweet things and then not brushing and cleaning your teeth properly. Improper brushing of teeth gives impetus to the rapid growth of microscopic germs; which in turn cause cavities; the pain caused by a cavity in the tooth can be excruciating. The best herbal and home remedy for a painful tooth is Clove oil. Just soak cottonwool in clove oil and put it inside the cavity; however, it should be made certain that the saliva should be expectorated. Further, a paste of mustard oil and a pinch of salt; if messaged on the gums of the tooth concerned; gives the much requires relief.