A dental crown is a customized tooth-like structure that covers the teeth which are broken, cracked, or weak in structure to give additional strength. They are customized to match the shape, and size of the affected tooth. They can be made out of different materials and can be either tooth-colored or metal-colored.
Why would I need a dental crown?
Following are some reasons that needs a dental crown fixation
- A weakened tooth after severe decay or cavity
- To cover an implant
- To replace a large filling
- A natural tooth that is damaged or cracked
- A tooth that has undergone a root canal (especially posterior teeth)
- To align your bite
- For aesthetics purposes: to achieve a more beautiful smile by leveling the size, shape, and color of your teeth
Types of dental crowns and what are they made up of ?
Metal: They are of two variety
1. Precious metals like gold I.e gold Dental Crowns. It was used extensively in the past, especially for the back teeth. It’s claimed to be the best material to date, due to its properties like good strength and longevity and less tooth structure removal. But the drawback is its cost.
2. Non-precious metals like chromium and nickel. Commonly known as “ Chandi ki cap” “ Silver Cap” or “ metal cap” the Advantage is the cost. And the minimal amount of tooth structure removal
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Porcelain-fused-to-metal
Ceramic crowns fused to metal are opaque and provide a near natural-looking tooth replacement with the added strength of the metal base. Ceramic fused crowns are a good choice for restoring visible teeth where function and durability are more important than aesthetics.
Zirconia crown –zirconia is metal-free, tooth-colored crown with very high strength and good aesthetics compared to the conventional metal-ceramic crown.
Lithium Disilicate Crowns: Popularly known as “ Emax crowns”
These are also metal-free and tooth-colored. They have a wonderful capacity to bond to teeth in thin sections and are therefore used exclusively for partial crowns, only facial/front surface veneers, inlays, onlays, and overlays. They also have the best-in-class aesthetics and can match the tooth shade exactly. They look lifelike and are used extensively in smile designing and makeovers.
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