(AKA: "crown-elongation" or "crown-extension") is a surgical procedure that is done when the tooth is too short to provide adequate retention for a restoration (usually a crown).
When a tooth has a deep cavity a crown and buildup are usually needed to restore the tooth. If the cavity extends too far below the gums, it becomes impossible to predictably make a crown that will last for any length of time. Performing crown-lengthening where indicated improves the prognosis for the tooth.
Crown-lengthening nearly always involves removing and re-contouring some of the bone around the tooth. This results in more tooth above the gums and smooth flowing gum contours.
Not every tooth that needs a crown also needs crown-lengthening surgery, just where there is a deep cavity, crack, fracture, or other problem.
Reasons For Crown Lengthening• To be able to keep a tooth that would otherwise be removed
• To provide gum contours that make the tooth easy-to-clean again
• To improve the appearance of the gum-line (in some cases)
• To provide a restored tooth that lasts longer
What does crown lengthening involve?First, the dentist or periodontist with thoroughly numb the tooth or teeth needing crown lengthening. During this procedure, excess gum and bone tissue is reshaped to expose more of the natural tooth.
After the procedure your dentist can now prepare the tooth for an excellent long lasting crown. As always, proper brushing and flossing is key to insuring the maximum life of your new crown.
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