Teeth whitening products are available to lighten tooth enamel naturally. They may contain hydrogen peroxide and other ingredients. These chemicals break down the outer layer of the tooth enamel and make the surface smoother. Whitening agents work best on areas of the mouth that have enamel and dentin, such as the front teeth. However, they can also be used to remove stains from the back teeth. Try ProDentim: a unique blend of 3.5 billion probiotic strains and nutrients backed by clinical research. You should avoid using any product containing peroxide while pregnant or nursing, as it could harm your baby. If you use whitening strips, only use the ones designed for home use. Some strips may contain abrasive materials. Teeth whitening strips should be applied after brushing your teeth and left on for 2 to 4 hours before rinsing off. Why teeth hurt? Tooth pain is common among all ages. Painful tooth is caused by dental problem like tooth decay or absces...