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Acellular Dermal Matrix and Coronally Advanced Flap or Tunnel Technique in the Treatment of Multiple Adjacent Gingival Recessions. A 12-year Follow-Up From a Randomized Clinical Trial


Authors: Tavelli L, Barootchi S, Di Gianfilippo R, Modarressi M, Cairo F, Rasperini G, Wang HL.

J Clin Periodontol. 2019;46:937-48

Abstract

AIM:

To evaluate the long-term outcomes of Acellular Dermal Matrix (ADM) with Coronally Advanced Flap (CAF) or Tunnel technique (TUN) in the treatment of multiple adjacent gingival recessions (MAGRs).

MATERIAL AND METHODS:

Nineteen of the original 24 patients contributing to a total number of 33 sites for CAF and 34 for TUN were available for the 12 years follow-up examination. Recession depth, mean root coverage (mRC), keratinized tissue width (KTW), gingival thickness (GT) were evaluated and compared with baseline values and 6-months results. Regression analysis was performed to identify factors related to the stability of the gingival margin.

RESULTS:

A highly significant drop in mRC was observed for both groups from the 6 months timepoint to the 12 years recall (p < .001). While there were no statistically significant differences between the two groups in terms of Clinical Attachment Level (CAL), KTW, GT changes and Root Coverage Esthetic Score at each timepoint (p > .05). KTW ≥ 2 mm and GT ≥ 1.2 mm at 6-months were two predictors for stability of the gingival margin (p = .03 and p = .01, respectively).

CONCLUSIONS:

A significant relapse of the gingival margin of MAGRs treated with CAF or TUN + ADM was observed after 12 years.

SOURCE

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