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Two Different Surgical Techniques for the Treatment of Multiple Gingival Recessions With Porcine Collagen Matrix

Gingival Recession Clinical Trial

Official title:
Clinical Comparison Between Two Surgical Techniques for the Treatment of Multiple Gingival Recessions With Porcine Collagen Matrix

Clinical Trial Summary

The gold standard for gingival recession treatment is the coronal repositioning of the flap associated with the subepithelial connective tissue graft. The porcine collagen matrix (PCR) has been used as a substitute for subepithelial connective tissue graft in periodontal plastic surgery and has achieved similar results. The PCR use has the advantage of avoiding possible pre and postoperative complications , as well as overcome the limitations presented by autograft . The different surgical techniques used for root coverage seek predictability and success . For this, besides the type of incision placements flap and graft are the most important because the healing benefits and outcome .

The aim of this study is to compare two surgical techniques for root coverage and evaluate which one provides better clinical outcomes and less morbidity . 20 adults , nonsmoking patients , showing multiple bilateral gingival recessions , class I or II Miller located in canine, first and second premolars are selected. Both techniques use the PCR as a graft . However, in one Quadrant partial flap will be held together with relaxing incisions through an intrasulcular incision, PCR will be positioned 1 mm apical to the cementoenamel junction (CEJ) and the flap will be positioned 1 mm coronal CEJ. In the opposite quadrant periosteal envelope that does not use relaxing incisions, avoiding any scars, will be performed with the PCR. The clinical parameters (gingival recession height and width, keratinized tissue thickness and width) will be evaluated 2 weeks after basic periodontal therapy and after 6 and 12 months to surgical procedures..

Clinical Trial Description

n/a

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT03619096
Study type Interventional
Source University of Sao Paulo
Contact Marilia B Lemos Reis
Phone +5516991482758
Email marilia.bianchini.reis@usp.br
Status Recruiting
Phase N/A
Start date March 6, 2017
Completion date July 6, 2019
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