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Randomized Controlled Trial
. 2019 Sep;46(9):937-948.
doi: 10.1111/jcpe.13163. Epub 2019 Jul 19.

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

Lorenzo Tavelli  1 , Shayan Barootchi  1 , Riccardo Di Gianfilippo  1 , Marmar Modarressi  1   2 , Francesco Cairo  3 , Giulio Rasperini  4 , Hom-Lay Wang  1
Affiliations
Free article
Randomized Controlled Trial

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

Lorenzo Tavelli et al. J Clin Periodontol. 2019 Sep.
Free article

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.

Keywords: acellular dermis; follow-up study; gingival recession; surgical flaps; tooth root.

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References

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