Feb
Most people will have at least one filling in their mouth, and the materials used can make a huge difference as to whether or not this filling is easily detectable. In the past fillings in back teeth were constructed out of amalgam due to its relative strength and ability to withstand chewing and biting forces. Amalgam is a silver coloured material with a high mercury content which has led to some concerns as to its safety. In addition its use can create darker areas in the mouth that almost...