ROOT COVERAGE WITH CONNECTIVE TISSUE GRAFT ASSOCIATED WITH VISTA VERSUS TUNNEL TECHNIQUE IN MILLER CLASS I AND II RECESSION DEFECTS: A RANDOMIZED CONTROLLED CLINICAL TRIAL

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Mustafa Gameel, Weam Ahmed El Battawy, Prof. Dr. Mona Ali Shoeib

Abstract

Background: Multiple gingival recessions are usually more challenging over single recession ones. Tunnelling technique aims to preserve esthetics, papillary integrity and avoid scar formation by excluding vertical incisions. But being a sensitive blind technique with increased trauma to sulcular epithelium led to the proposal of VISTA technique which avoids some of the potential complications occurring with intrasulcular incisions.


Materials and methods: 20 patients (12 females and 8 males) with multiple Miller class I and II recession defects were treated with SCTG in conjugation with either VISTA or Tunneling technique. Patients were randomly assigned to VISTA (n=10) or Tunneling technique (n=10). The esthetic outcomes were evaluated by assessing the root coverage esthetic score and percentage of root coverage while patient reported outcomes as pain and edema were assessed through VAS based questionnaires.


Results: After 6 months there was a statistically significant difference between (VISTA+SCTG) and (Tunneling+SCTG) regarding pain and edema scores in favor of the VISTA group. No statistically significant difference exited between the two groups regarding the percentage of root coverage or the root coverage esthetic score.


Conclusion: Both VISTA and Tunneling are reliable techniques for treatment of multiple recession defects. However, VISTA approach could be more acceptable for being less technique sensitive and its ability to provide less patient morbidity.

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