How do the tooth colored fillings look?
Tooth colored filling material comes in a great number of colors (shades), and are matched to your individual tooth color. Typically, a different type of material is used for front and back teeth. The materials used for front teeth have a high shine; whereas, the materials for back teeth are designed for strength, but will look great. Which is better silver or porcelain fillings? Mercury fillings require the removal of the middle third of the tooth. The material itself is weak and cannot be used in a thin layer. The dentist must drill deeply into the softer dentin area of the tooth and drill undercuts into the healthy tooth even where there is no disease. This approach was developed in 1908 by G.V. Black. As a result of this kind of filling, the tooth is now weakened by 75%. Mercury fillings also expand after being placed in the tooth. The bigger the filling the more they expand. If any moisture gets into the filling they expand rapidly. Temperature can also cause expansion. All this e
