Dental Filling

There are many types of fillings for teeth today than ever before. Some fillings are directly placed in a cavity are called direct fillings. In indirect fillings, tooth is taken and custom filling is created to fit around it. So, fillings vary both in complexity and material. Amalgam Amalgam fillings for teeth have been used by the dentists for more 150 years. These fillings are made up of a mixture of metals. It generally contains 50% mercury along with copper, zinc, silver or tin. Compared to other types of filling, they are the least costly, very strong and long lasting as well. There is a drawback of amalgam fillings for teeth as well. As the time passes, the silver color tends to become darker. So they are a fairly visible item when you open your mouth. Composite A composite tooth filling is generally made up of powdered glass and acrylic resin. It has few advantages over an amalgam filling for teeth. This filling can be done to match person’s exist...