Porcelain, its main advantage is its adhesion power, resistance to abrasion and great aesthetic feeling. They do not wear out over time, they do not lose their shine and keep their color intact. There are also Composite material, they are made with the material with which the obtiraciones are made. With the passage of time they can deteriorate and darken although they are more economical. They preserve the enamel and are made in a single session.