Can you get a cavity in a crown? - National Dental Care

Crowns are very handy treatments for teeth which are broken, cracked or too heavily filled to take any more fillings. They’re custom-made to match the tooth in shape. Once the crown has been fitted to the tooth, it’s permanently attached. But can you still get cavities in crowns?

All good, so far – you have a new-looking tooth made of a special synthetic material which matches your teeth (unless it’s a gold crown) and everything is fine again.

Can you get a cavity in that shiny new crown? No, because it’s a synthetic material which won’t wear away…But you can certainly get a cavity in the tooth your crown is attached to. And if that’s the case, you will need to have the tooth treated.


Cavities and crowns

When the crown is attached to your tooth, the area around the attachment is known as the margin. Remember that the area of remaining tooth is still vulnerable to cavities. Your crown can harbour plaque and encourage bacterial growth as well.

The margin around the join is usually near the gumline and this is another area which attracts bacteria if oral hygiene isn’t regular and effective. If a cavity forms under the crown, it will need to be removed so the cavity can be filled.

If you need a crown

Don’t panic if you think you might need a crown. It need not be a long process with multiple appointments. Many National Dental Care dentists offer same-day crowns. If this is the best solution for your dental issue, your practitioner can use specialist equipment to scan your teeth so that a 3D computer simulation.  Next a computer-designed crown is manufactured onsite, milled and bonded to your tooth.

For more information or an appointment, contact your National Dental Care practitioner online today.

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