A dental crown is a tooth-shaped "cap" that is placed over a tooth -- to cover the tooth to restore its shape and size, strength, and improve its appearance.
Why Is a Dental Crown Needed?
A dental crown may be needed in the following situations:
- 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.
- To hold a dental bridge in place.
- To cover misshapen or severely discolored teeth.
- To cover a dental implant.
- To make a cosmetic modification.
What Types of Crowns Are Available?
Permanent crowns can be made from stainless steel, all metal (such as gold or another alloy), porcelain-fused-to-metal, and all resin, or all ceramic, zirconia.
What Problems Could Develop With a Dental Crown?
- Discomfort or sensitivity.
- Chipped crown.
- Loose crown.
- Crown falls off.
- Allergic reaction.
- Dark line on crowned tooth next to the gum line.
What Are "Onlays" and "3/4 Crowns?"
Onlays and 3/4 crowns are variations on the technique of dental crowns.
How Long Do Dental Crowns Last?
On average, dental crowns last between five and 15 years.
Does a Crowned Tooth Require Special Care?
While a crowned tooth does not require any special care.