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01-04-2019 | Original Article

Influence of suturing technique on marginal flap stability following coronally advanced flap: a cadaver study

Authors: Lorenzo Tavelli, Shayan Barootchi, Andrea Ravidà, Fernando Suárez-López del Amo, Giulio Rasperini, Hom-lay Wang

Published in: Clinical Oral Investigations | Issue 4/2019

Abstract

Objectives

The outcomes of periodontal soft tissue root coverage procedures can be influenced by a variety of different factors. Following coronally advanced flap (CAF), the impact of marginal flap stability (MFS) through the employment of specific suturing techniques has not yet been investigated. The purpose of this study was to compare the MFS of CAF following three different suture techniques.

Methods

Fifty-six CAF procedures were performed on seven fresh human cadaver heads. The MFS following simple interrupted, single sling or sling and tag (SAT) suture techniques were investigated through a specific tool involving a load cell-based recording device.

Results

A highly statistically significant MFS was observed for sling and SAT sutures compared to the simple interrupted suture (p < 0.001). SAT suture technique was related to the greatest MFS (p < 0.001). The addition of sutures to the vertical releasing incision was able to provide a greater MFS compared to the suturing of the papillae alone (p < 0.001). No statistically significant difference was observed with regard to the suturing sequence between the two sling groups when the vertical incisions were sutured before or after the surgical papillae (p > 0.05). Linear regression model showed a positive correlation between thicker gingival tissue and MFS changes (p < 0.001).

Conclusions

Suturing technique highly affects the MFS following CAF on cadavers. Flap thickness was shown to be a positive predictor for flap stability.

Clinical relevance

Within the limitation of this study, the suturing of CAF with the SAT technique may provide higher MFS. However, clinical studies are necessary to validate these findings.

Hu-Friedy, Chicago, IL, USA

Henry Schein, Melville, N.Y., USA

Meta, Reggio Emilia, Italy

Ethicon US., LLC, Somercille, New Jersey, USA

Robot Italy, Rome, Italy

IBM Corp., Armonk, NY, USA

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Title: Influence of suturing technique on marginal flap stability following coronally advanced flap: a cadaver study
Authors: Lorenzo Tavelli
Shayan Barootchi
Andrea Ravidà
Fernando Suárez-López del Amo
Giulio Rasperini
Hom-lay Wang
Publication date: 01-04-2019
Publisher: Springer Berlin Heidelberg
Published in: Clinical Oral Investigations / Issue 4/2019
Print ISSN: 1432-6981
Electronic ISSN: 1436-3771
DOI: https://doi.org/10.1007/s00784-018-2597-5

At a glance: The STEP trials

Springer Medicine

Influence of suturing technique on marginal flap stability following coronally advanced flap: a cadaver study

Abstract

Objectives

Methods

Results

Conclusions

Clinical relevance

At a glance: The STEP trials

Springer Medicine

Abstract

Objectives

Methods

Results

Conclusions

Clinical relevance

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