As natural development of dental industry stamped bridge constructions are replaced by one-piece-cast constructions. Stamped bridges can’t restore individual anatomic forms of the teeth, except that this kind of crowns hurt the surrounding gum tissues. Metal-ceramic constructions are the sort of one-piece-cast bridge constructions. These crowns consist of ceramic layer of a natural color and metal basis. They do not change their form with the time and are of long term usage.
Precious metals alloy can be also used for metal-ceramic constructions. Such crowns meet the high aesthetic and functional requirements. Precious metals alloy is mostly compatible with the oral microflora and by ceramic layer natural teeth color can be reproduces with high cosmetic effect. Metal-ceramic coronas can be widely used in restoring defects of front and back teeth. | 
Porcelain
