Commonly known as “caps”, these are restorations that fit over the remaining part of the prepared tooth in order to strengthen it. They can be made from metal, porcelain a combination of both, or glass.
They may be advisable:
- If your tooth has fractured to such an extent that a traditional filling will not solve the problem.
- If the tooth has had a significant amount of decay or filling that a crown is needed to restore the function.
- Following root treatment, a crown is often needed to strengthen the tooth.
- For cosmetic reasons if the tooth is discoloured.
- After an implant has been provided, a crown will be fitted to the post of the implant.
- To restore teeth that are worn down because of grinding or acid erosion.
What does it involve?
The dentist has to prepare the tooth to take the crown. This will involve removing part of the outer layer to make room for the thickness of the crown.
Once this is done, an impression needs to be taken of the prepared tooth so that a dental technician can construct the crown. You will need another appointment so the dentist can fit the crown to the tooth.
It may feel slightly different from the original tooth but after a few days it will begin to feel normal. It is imperative that you clean this as well as your normal teeth as decay can occur round the junction of the tooth and the crown.
- Discomfort: The tooth can become sensitive after the anaesthetic wears off.
- Crowns can come off and may need recemented.
- Porcelain crowns can chip and may need smoothing or replacing.
- Loose crowns can let bacteria in which causes decay.
- Allergy to the material that the crown is made from. This is extremely rare.
This normally subsides but it can be due to the nerve dying or the crown being too high.
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