Mercury is a naturally occurring element found in air, water and soil. Mercury exists in a number of different forms: elemental mercury. metallic mercury inorganic mercury compounds. organic mercury compounds.
Conclusion. Mercury fillings are still used today by many dentists all around the world. Amalgam is a cost effective and strong material to use to fill teeth. They also tend to last much longer than their composite resin counterparts.Even though a metal filling may be stronger, many people still choose to have composite fillings placed due their aesthetic appearance.n order for amalgam to have the correct consistency, it is made up of a number of different metals. Amalgam fillings typically contain 40-50% mercury with the remaining 50-60% being made up of a metal powder. The metal in this powder is a combination of: 1  Tin. 2  Silver.
Materials that may be used in dental fillings include dental amalgam, composite resin, glass ionomers, gold, and ceramic. The cost of dental fillings ranges from around $75 to $200 per tooth ($75 to $145 for metal fillings and $150 to $200 for composite resin fillings).With dental insurance, gold fillings typically run between $10 and $50, while ceramic fillings range between $40 and $100.ental Filling Cost and Financing. updated. Dental fillings, as the name implies, are used to fill the space vacated by the removal of decayed tooth matter. They are also employed to repair cracked, broken, or worn teeth.