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, 44 (9), 933-940

Coronal Advanced Flap in Combination With a Connective Tissue Graft. Is the Thickness of the Flap a Predictor for Root Coverage? A Prospective Clinical Study

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Coronal Advanced Flap in Combination With a Connective Tissue Graft. Is the Thickness of the Flap a Predictor for Root Coverage? A Prospective Clinical Study

Teresa Garces-McIntyre et al. J Clin Periodontol.

Abstract

Aim: Evaluate if there is any relationship between the flap thickness (FT) and the presence of complete root coverage (CRC) when performing coronally advanced flaps in combination with a connective tissue graft (CTG).

Materials and methods: Prospective clinical study, in which multiple Miller class I and II recessions were treated with a coronally advanced flap and a CTG standardized at 1 mm of thickness. Individual stents permitted repeated measurements of conventional periodontal parameters at the same point. The primary outcome variable was CRC. Secondary outcomes were recession reduction, gingival thickness and width of keratinized tissue (KT) achieved at 6 months post-surgery.

Results: Forty-five recessions (2.4 ± 0.75 mm) were treated in 20 patients. Mean root coverage was 93.4 ± 10.98%; 65% achieved CRC. The mean FT was 1.01 mm ± 0.64 mm and 1.01 ± 0.61 mm at 2 and 5 mm from the gingival margin, respectively. No relationship could be found between FT and CRC (p > .05). Statistical significant changes (p < .05) were observed for recession depth, clinical attachment level, KT and soft tissue thickness at the end of the study.

Conclusions: Flap thickness seems not to be a predictor for CRC when performing a coronally advanced flap plus a CTG. This technique may be of choice when treating thin biotypes.

Keywords: connective tissue graft; flap thickness; gingival recession; mucogingival surgery; periodontal plastic surgery; root coverage.

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