A dental crown is a type of dental restoration which completely caps a tooth or dental implant. A crown is usually needed when the integrity of a tooth is compromised as a result of large cavity or as a result of a tooth undergoing a root canal therapy.
Crowns are often used to improve the strength or appearance of teeth. These are typically indirectly fabricated from many materials including full gold (metal alloy), porcelain fused to metal or zirconia, or in the correct situation porcelain alone.
A dental bridge is a dental restoration used to replace a missing tooth by joining permanently to adjacent teeth or dental implants. A Bridge is indirectly fabricated in a dental laboratory after taking the impression of prepared teeth adjacent to the missing tooth or teeth.
The materials used for the bridges include full gold (metal alloy), porcelain fused to metal, or in the correct situation porcelain alone.