The advantage of a white filling is that it is virtually identical to the natural tooth in colour and it actually bonds to the tooth structure which also strengthens the tooth. A white filling can be done in one visit and the materials used provide a more attractive way to treat tooth decay whilst strengthening your tooth.
White fillings are almost always used these days instead of the traditional sliver coloured amalgam fillings. Almost all patients prefer to have a white filling placed in their mouth primarily for aesthetic reasons. But Dentists recommend them for strength and fracture resistance