A dental crown is a cap or covering over an existing tooth. It can strengthen the appearance of the diseased tooth with decay, fracture, weakened or worn out. Crowns can be made of porcelain, Zirconia, gold alloy or a combination of porcelain and metal. They are considered as a multi-functional dental treatment that treats individual patients aspiring to have amazing smile and thereby improve personality and quality of life. Dentists usually recommend this treatment to those who want to change the shape and position of their teeth in cases of where orthodontic treatment or braces are not possible.