Mercury (Hg) is a toxic metal that naturally exists in several forms in the environment — metallic mercury (also known as elemental mercury), inorganic mercury (in the form of mercury salts) and ...

Dating back at least to the 1980s, experts have debated the safety of metal “amalgam” cavity fillings, which contain a mixture of metals like silver, copper, nickel and—most alarmingly—mercury. The ...

Natural look: If appearance is a concern, the natural coloring of composite fillings may be a good fit. These fillings are less noticeable in the mouth than alternatives. 1 Use on any tooth: Because ...

A debate has been running for decades about the safety of amalgam tooth fillings (the silvery-looking ones most people are familiar with). Some public-interest groups and consumers say that since such ...

Getting a filling is a common dental procedure that is used to treat cavities and protect teeth damaged by tooth decay. There are several types of filling material currently available to repair ...

(CNN) -- The US Food and Drug Administration warned Thursday that silver dental fillings, known as dental amalgam, may cause health problems for some high-risk groups. The updated FDA guidance said ...