Tooth ache when brushing teeth or when consuming certain foods and drinks is an inconvenience that is often experienced by people with sensitive teeth. Tooth ache problems because these sensitive teeth have various causes. However, there are also preventative steps you can take to overcome them. Pain in teeth due to sensitive teeth generally occurs due to erosion of the protective layer of teeth (tooth enamel). The erosion of tooth enamel causes exposed layers of teeth called dentin to the outside of the teeth. When dentin which is rich in nerve fibers is exposed to various stimuli such as food and cold drinks, heat, acids, or certain other activities that involve teeth, then the nerve fibers of the teeth will be stimulated so that there is a sense of pain in the teeth. In some cases, dentin can also be exposed due to shrinkage or gum disease which then causes tooth ache and pain. Causes of Tooth Pain and Preventive Steps By recognizing the cause, you can take preventative steps