1, glass ionomer is a biocompatible filling materials, strong adhesion and irritation. At the same time, it have good stability in the oral environment, but its wear resistance is poor, beautiful and not as good as the resin material. 2, the composite resin material of this color and the color of teeth is similar, with color stability, adhesion, and other characteristics, it is difficult to see the difference after mending. But the downside is that poor wear resistance, there will be polymerization shrinkage. 3,3M nano resin such fillings are the most commonly used, and compared to other dental materials which improve the durability and wear resistance, but also has a strong hardness, color fidelity, beautiful and strong, a very marginal adaptation high, and after the restoration of tooth color and is quite similar to real teeth, barely visible, which is unmatched by other materials. Dürr Dental introduced 3M resin dental materials, not only to better restore the natural shape of the teeth, the color more vivid, the intensity is very high, exceeding the expectations of strength and durability, it is not only good relaxation can adapt many cavities The filling and the bottom, the complete absence of any side effects, is very safe. For the treatment of mild decay will use dental restoration, dental and price is determined according to the different materials. Any kind of dental materials has its own characteristics, after patient examination should be based on the doctor's advice combined with their own situation to make the selection. For example aspect of dental defect site, deficits, force size, beautiful performance, price and other factors can be used as consideration. More about teeth whitening, please pay attention to Wuhan orthodontic dental www.duerdental.com Toure