Crown lengthening may be necessary to fix a tooth where the remaining structure is not exposed enough above the gum line to support a filling or a crown. During this procedure, a surgeon removes gum tissue, bone, or both to expose more of the tooth.
What to expect
A consultation with your dentist is needed to review your medical history and X-rays. A tooth cleaning may also be needed. A temporary crown may be placed to protect the tooth and make surgery easier as it shows the periodontist how much soft tissue or bone needs to be removed.
During the procedure, the gums will be gently pushed away from the teeth and the roots and bone will be exposed. Removing a little gum tissue may be enough to place a crown or filling. In most cases, some bone from around the roots of the teeth also must be removed. Once enough tooth is exposed, the gums will be stitched together at a location further down the tooth, exposing more tooth structure above the gum line.
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