Metal Free Composite Fillings
Silver Amalgam Fillings
Many people still have amalgam (silver) fillings from years past in their teeth. These fillings are made up of a combination of metals and are sometimes referred to as mercury alloys. They are not particularly pleasing to the eye, they also present a health issue for some.
Because of the unavoidable ‘undercut’ design required to retain the filling material, the old mercury/metal fillings result in a weaker tooth. As they age, these metal fillings expand, putting pressure on the remaining tooth and causing microfractures. As the old metal filling lifts, bacteria can leech in under the filling, resulting in further problems.
The Benefits of Composite Fillings
For many years, metal fillings were the best we had, but current technology has allowed for the development of a number of new dental filling