White fillings also known as a composite filling are becoming more and more popular for cosmetic reasons. These composite fillings come in all different shades and textures to match your tooth, making them nearly invisible to the eye. White fillings are used to restore decayed teeth, reshaping teeth, closing gaps between teeth and covering unsightly marks. White fillings can be used in front and most back teeth, 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 as well as your diet and oral hygiene habits.