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Metal-ceramic crowns

The crown is a type of prosthetic device that completely covers or surrounds a tooth or dental implant. Crowns are often needed when a large cavity threatens the current dental health. Crowns are usually connected to the tooth by using cement. The crowns can be made of various types of materials produced by indirect methods. Crowns are often used to improve the strength or appearance of teeth. Since undeniably beneficial to dental health, the procedures and materials used can be quite expensive. The most common method of making a crown includes an imprint of the tooth taken by dental prosthetist in order to make a crown. The crown is inserted later. This indirect method of prosthetics allows use of strong restorative materials whose preparation takes a lot of time and high heat (such as the casting of metal or incandescent porcelain), which can not be performed within the oral cavity.

Taking into account the expanding characteristics, the relatively similar costs of material and aesthetics, many patients prefer crowns made of gold. Due to the development of new technologies and materials, computers are increasingly involved in making crowns and bridges (eg CAD / CAM dentistry).