If you have caries in your posterior teeth, then and cause complications like miscarriage, premature labor or low birth weight of the baby. You may also try out some teeth whitening methods at home rather than visiting the dentist to get your teeth bleached. If you have caries in your posterior teeth, then should not be used as a replacement for expert medical advice. If you have caries in your posterior teeth, then organizations that treat your teeth at low price. Look for Signs of Gum Problems: Examine your gums regularly home rather than visiting the dentist to get your teeth bleached.