Different Types of Dental Crowns
Dental crowns are sometimes called caps, and they can be used for a variety of purposes. They are a dental prosthetic that goes over the part of a tooth that can be seen above the gums. A dental crown fully covers the tooth it is protecting, and it looks like a real tooth.
Common reasons why a dentist might decide you need a dental crown include:
- A broken, chipped or cracked tooth
- Discoloration that does not improve after whitening treatments
- To support a tooth that needs a lot of fillings
- To serve as a replacement tooth with implants
- As an anchor for a dental bridge
- To close small gaps between teeth
Popular materials dental crowns are made with
These are the most natural-looking type of crowns, and dentists often recommend them for highly visible teeth like those in front. Ceramic has a similar texture and color to real teeth, so these prosthetics are virtually impossible to detect.
These types of crowns require the removal of more enamel than other types to ensure the crown fits as it should. The main drawback of this variety of crowns is how brittle they can be when put under stress.
2. Porcelain fused to metal
These types of dental crowns have a metallic outer structure that strengthens the prosthetic. It offers a tighter seal for the tooth it is protecting and is more durable. A porcelain fused to metal crown also requires the removal of a portion of enamel. The porcelain tip gives it a natural look, making it a good option for molars or canines.
Gold alloy crowns are made out of copper, gold and some other metals. The alloy provides a strong structure that adheres to the tooth it is protecting. Gold crowns are resistant to fractures, and they do not wear down teeth on the opposite sides like other types of crowns do. Gold crowns are strong and very durable.
Gold alloy crowns are made from biocompatible materials, making them a safe option for most people. In terms of its properties, gold alloy crowns are arguably the best. There is just one major issue: they look nothing like a natural tooth.
4. Base metal alloys
These types of crowns are very strong, making them great for molars. They are resistant to corrosion, and the process only requires the removal of a little bit of enamel. It is gentle on the tooth on the opposite side and can last for up to 20 years if the wearer practices good oral hygiene.
5. Same day crowns/CEREC
These types of crowns are made using CEREC technology. Getting a crown normally requires at least two visits to the dentist, but when CEREC is available, the crown is made while the dentist works on the patient. These crowns are made out of a block of ceramic, and they have similar properties to ceramic or porcelain crowns.
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