An adequate amount of attached gingiva is required to protect the periodontium and promote periodontal health and also increase resistance and stabilization of gingival margin against frictional forces and external injury. Inadequate width of attached gingiva mucogingival surgeries like free tissue grafts, connective gingival grafts are used with other surgical procedure to increase the zones of attached gingiva and disadvantage of these technique are requirement of donor tissue. So the alternate technique was proposed by Carnio, which is simple, involving the use of a single horizontal incision in the recipient site without any donor tissue requirement.
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