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A close-up of a smile after a crown lengthening procedure.
Cosmetic

Crown Lengthening: The Cosmetic and Restorative Benefits Explained

By Dr. J. Eric Herrington · February 22, 2026 · 5 min read

Crown lengthening is one of the most versatile procedures in periodontics. It is used cosmetically to give "short" teeth their proper proportions and restoratively to expose enough tooth structure for a crown or filling. Same procedure, two very different goals.

When it is cosmetic

A gummy smile is when too much gum tissue shows when you smile. Sometimes the teeth are the right size and the gums simply sit too low. A precise reshaping of the gum line—and sometimes a small amount of bone—reveals the natural beauty of the teeth.

When it is restorative

When a tooth breaks at or below the gumline, your general dentist needs more tooth visible to place a crown or filling. Crown lengthening exposes the additional structure so the restoration has something to bond to and seal against.

How it works

  1. The area is fully numbed; sedation is available
  2. Excess gum tissue is precisely removed and recontoured
  3. If needed, a small amount of bone is also reshaped to keep healthy proportions
  4. Sutures or surgical adhesive are placed (often dissolvable)
  5. Final crown or filling is placed 6–8 weeks later, after gum healing

Recovery

  • Mild discomfort for 2–3 days, controlled with OTC pain relievers
  • Soft diet for one week
  • Brushing carefully resumed in 24 hours
  • Final aesthetic result visible at 6–8 weeks

Will the gums grow back?

No—the new gum line is permanent. That is why precision and a periodontist's training matter. We measure twice and reshape once.

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