How Permanent is My Crown?

I was told I have to replace my crown. I thought once you got a crown it was permanent.

It is very common for people to think once they have a crown they never need it replaced. A crown is a full coverage “cap” that covers the tooth after a lot of breakdown or a root canal. The crown meets the tooth usually close to the level of the gum line, called a margin.

Anywhere around the margin is an area susceptible to a cavity. This is where plaque and bacteria collect. If it is not brushed off or removed, the acidity that is created breaks the tooth structure down and a cavity results.

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