White fillings are made mainly of glass particles, synthetic resin and a setting ingredient. There is also a bonding layer that bonds the white filling to the tooth structure.
White fillings have always been considered less long lasting than silver amalgam fillings, but there are now new materials available with properties comparable to silver amalgam, and these are proving to be very successful. The life expectancy of a white filling can depend greatly on where it is in your mouth and how heavily your teeth come together when you bite.
Before White Fillings
After White Fillings
Companies that make this white filling constantly try to make stronger materials. The dentist uses the latest generation of white filling available to give his patients the strongest restorations possible.