In Patna Dental Clinic dental crown is a tooth shaped cap that is placed over tooth to restore its shape, size and function. Crowns are usually bonded to the tooth with the help of dental cement.
Dental crowns are used in several cases such as : –
Although crowns can be given in many cases, they can’t be used in cases where entire tooth structure is destroyed.
Metal crowns can be made up of gold, or base metal alloys which contain nickel or chromium. They can withstand biting and chewing forces well. However, the disadvantage is that colour of metal crowns does not blend with surrounding teeth and it may show while talking, laughing, etc.
In this, a layer of porcelain is placed over the metal crown. Besides strength, its advantage is that it can be colour matched with adjacent teeth.
These provide best natural colour match. They are therefore good for front teeth.