Tooth decay is one of the most common dental problems. One of the convenient treatment options to restore the overall structure of your tooth that has been decayed is to replace the lost tissue of the tooth with a filling agent. Read more Earlier metal dental filling was widely used by the dentists to treat cavities. Though it was quite a viable option to treatdecayed tooth, some cosmetic problems were associated with it. The dark gray color of the metal was clearly visible when it was embedded into the natural structure of the tooth. This looked unsightly and also made the person self-conscious while talking or smiling. Other than the aesthetic issue, metal dental fillings often contained mercury, which is highly toxic. Thusthe use of metal dental fillings slowly became obsolete. And improvements in technologies and techniques in the field of dentistry led to the creation ofvariety of dental materials that are used for fillings. Let us take a look at the benefits offered by these fillings.