Crown Lengthening

New York / New Jersey Periodontist Dr. Eric Linden


Crown lengthening (or crown exposure) is required when your tooth needs a new crown or other restoration. 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 levels 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. The procedure takes approximately one hour.

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.

Your teeth may actually be the proper lengths, but are covered with too much gum tissue.

Crown Lengthening Before Crown Lengthening Before Close-up
Before crown lengthening
dental-crown-after Crown Lengthening After Close-up
After crown lengthening

Periodontal procedures are available to lay the groundwork for restorative and cosmetic dentistry and/or to improve the esthetics of your gum line.

You may have asked your periodontist about procedures to improve a "gummy" smile because your teeth appear short. Your teeth may actually be the proper lengths, but they’re covered with too much gum tissue. To correct this, your periodontist performs crown lengthening.

During this procedure, excess gum and bone tissue is reshaped to expose more of the natural tooth. This can be done to one tooth, to even your gum line, or to several teeth to expose a natural, broad smile.

Your dentist or periodontist may also recommend crown lengthening to make a restorative or cosmetic dental procedure possible. Perhaps your tooth is decayed, broken below the gum line, or has insufficient tooth structure for a restoration, such as a crown or bridge. Crown lengthening adjusts the gum and bone level to expose more of the tooth so it can be restored.

What are the benefits of this procedure?

Whether you have crown lengthening to improve function or esthetics, patients often receive the benefits of both: a beautiful new smile and improved periodontal health – your keys to smiling, eating and speaking with comfort and confidence.