The present study was undertaken to evaluate biometrically the changes that occur on the recipient site as well as on its neighboring tooth with regard to gingival recession, sulcus depth and width of keratinized gingiva after performing a lateral sliding flap according to the original technique or a coronally repositioned flap.
23 persons with 28 teeth having localized gingival recession. 19 to 68 years old. Areas were randomly selected to either lateral sliding or coronally repositioned flaps. Clinically measurements were at 0, 1, 3, and 6 months. Measurements always were taken at the midline of the facial aspect of the tooth. A Marquis M-1 periodontal probe, calibrated in the four color coded segments. 14 patients had the lateral sliding flap technique. vertical incisions down to the mucosa. A full thickness flap, being more split thickness at its more apical end. Area contained 8 mand. incisors, 4 mand. canines, 2 mand bicuspids.
Areas of gingival recession are significantly reduced by the lateral sliding flap. A mean gain of 2.69 mm of soft tissue coverage was found 6 months. Root coverage was 69%, 6 months post-op. The mean gain in width of keratinized gingiva averaged 3.15 mm 6 months after the lateral sliding flap.
An average gingival recession of 1.30 mm and 1.10 mm was produced on the donor tooth at 30 and 180 days post-op. The width of keratinized gingiva decreased an average of 1.25 mm. Creeping attachment was seen after 30 days.
Values were the same after 1 month. The 1 month post-op results permit an evaluation of the surgical procedure.
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