There are basically four different types of crowns used by dentists from Mexico Dental Network.
Metal teeth Crowns: This type of crown is gold, nickel, chromium and palladium alloys. They are very durable and support the process of mastication. Prove to be resistant to wear of the teeth usually suffer. The major drawback of such crowns is the color of the crown that is visible when placed in position. If you want to have a crown for the care of teeth in the back, this type of crown will prove to be the right choice.
All-resin Tooth Crown: This is pretty cheap compared to the other crowns. However, it can not be a bad-resistant and are very susceptible to fractures.
Porcelain Crowns – Known for their natural teeth like color, Porcelain crowns are usually used for covering front teeth. The use of Porcelain, not being a strong material, is restricted to the front teeth only.
Porcelain bonded to metal – These Crowns have the benefit of Porcelain crowns and the strength of metal.
Ceramic Crowns – These crowns are mostly famous for their looks, hardness and the ability to be positioned at anyplace in the mouth. Ceramic crowns have teeth like color and structure which makes it very suitable to be used as dental crowns.
Gold Alloy – Used for centuries, a gold alloy crown is also one of the most famous crowns used in today’s world. Gold alloy, because of its stable and non reactive nature, is suitable for crowns as it would not produce any harmful toxins after reacting with saliva or other food items. Its hardness and stature made it an optimum choice to be used in crowns in early times.
Usually crowns are very difficult to spot and would require a careful eye. A new crown may feel little uncomfortable but one can get used to it in no time. The expected life of a crown is seven to ten years but with careful and good maintenance and oral hygiene, they can last even longer. Crowns are used only to have an improved appearance of the teeth. Although, crowns are very hard and extremely durable, they will not work for the prevention of tooth decay.