Crown Lengthening

Crown lengthening (or crown exposure) is required when there is decay below the gum line and your dentist cannot properly seal the filling or crown. The edge of that restoration is deep below the gum tissue and not accessible. It is also usually too close to the bone or below the bone.

The procedure involves adjusting the level of the gum tissue and bone around the tooth in question to create a new gum-to–tooth relationship. This allows us to reach the edge of the restoration, ensuring a proper fit to the tooth. It should also provide enough tooth structure so the new restoration will not come loose in the future. This allows you to clean the edge of the restoration when you brush and floss to prevent decay and gum disease.

When the procedure is completed, sutures, and a protective bandage are placed to help secure the new gum-to-tooth relationship. You will need to be seen in one or two weeks to remove the sutures and evaluate your healing.

Fig. 1 – The natural crown portion of the tooth was fractured at the gumline
Fig. 2 – The gumline and bonelevel around the tooth have been lowered to expose more of the remaining tooth
Fig. 3 – A dental crown has been permanently placed on the tooth

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