A crown, sometimes known as dental cap, is a type of dental restoration which completely caps or encircles a tooth or dental implant. Crowns are often needed when a large cavity threatens the ongoing health of a tooth. They are typically bonded to the tooth using a dental cement. Crowns can be made from many materials, which are usually fabricated using indirect methods. Crowns are often used to improve the strength or appearance of teeth.
Crowns are indicated to:
- Replace existing crowns which have failed.
- Restore the form, function and appearance of badly broken down, wornor fractured teeth, where other simpler forms of restorations are unsuitable or have been found to fail clinically.
- Improve the aesthetics of unsightly teeth which cannot be managed by simpler cosmetic and restorative procedures.
- Maintain the structural stability and reduce the risk of fractures of extensively restored teeth including those which have been endodontically
- Restore the visible portion of a single dental implant.
- Choice of restoration
-C.Porcelain Fused to Metal
- Tooth preparation
- Tooth preparation impressions
- Fit of definitive restoration
A dental crown is a fixed prosthetic “cap” that fits over a damaged tooth and restores it to its normal appearance and function. It can be molded from several different materials, including ceramics, porcelain-and-metal, gold, and resin
To protect a weak tooth (for instance, from decay) from breaking or to hold together parts of a cracked tooth. To restore an already broken tooth or a tooth that has been severely worn down. To cover and support a tooth with a large filling when there isn’t a lot of tooth left.
Typically, dental crowns tend to last between five and 15 years, with some crowns even lasting up to 25 or 30 years.
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