Dental crowns are a type of dental restoration that can be used to strengthen and protect a tooth that has been damaged or decayed. There are various materials used for dental crowns including ceramic, porcelain, metal, and composite.
Metal Ceramic Crowns
Metal-ceramic crowns, also known as porcelain-fused-to-metal (PFM) crowns, combine the strength of a metal substructure with the aesthetics of a porcelain outer layer. These crowns are a popular choice for both front and back teeth restorations.
Metal free Crowns
Metal free crowns are made entirely of porcelain, making them the most aesthetically pleasing of all different types of crowns. So this type of crown is usually used on front teeth, but zirconia crowns can also be used for back teeth due to high strength.
Metal Crowns
A metal crown is made of base metal alloys like nickel and chromium. It can also be made of gold alloy. The crowns made up of metal have incredible strength and require a small amount of tooth structure that has to be removed.
Composite Crowns
Composite materials used in crowns make them more durable than some other types of cosmetic dental crowns. This makes composite crowns ideal for placement on the back teeth, which do plenty of grinding during normal use. Unlike the gold crowns often used on back teeth, composite crowns will blend in when you’re laughing, smiling, or talking with your friends.
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