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Simvastatin Gel With Perforated Resorbable Membranes in Treatment of Intrabony Defects in Chronic Periodontitis

Chronic Periodontitis Clinical Trial

Official title:
The Use of Simvastatin Gel With Perforated Resorbable Membranes in the Treatment of Intrabony Defects in Chronic Periodontitis Patients (Clinical and Biochemical Study)

Clinical Trial Summary

Modified perforated membrane (MPM) is considered as a modality that could enable participation of periosteal cells and gingival stem cells which could improve the outcomes of guided tissue regeneration more than the use of the traditional occlusive membrane (OM). Simvastatin (SMV) modulates bone formation by increasing the expression of bone morphogenetic protein 2 and angiogenesis. Ethylenediaminetetraacitic acid (EDTA) found to be effective as low ph etchant for smear layer removal and exposing root surface collagen. The investigators compared the clinical and radiographic outcome of SMV gel combined with MPM to SMV gel combined with OM with and without an associated EDTA gel root surface etching for improving bone regeneration in intrabony defects in chronic periodontitis patients. Moreover, evaluation of SMV gingival crevicular fluid (GCF) levels availability for 30 days in cases with and without EDTA root surface etching was performed.

Clinical Trial Description

Forty patients with 40 intrabony defects having chronic periodontitis were randomly assigned into four equal groups to receive open flap procedure, 1.2% SMV gel and covering the defect with OM (Group I), open flap procedure, 1.2% SMV gel and covering the defect with MPM (Group II), open flap procedure, 24% EDTA root surface etching,1.2% SMV gel and then coverage of the defect by OM (Goup III), or open flap procedure, 24% EDTA root surface etching, 1.2% SMV gel and then coverage of the defect by MPM (Group IV). Plaque index, gingival index,probing pocket depth, clinical attachment level, defect base level, crestal bone level, and radiodensitometric measurements were measured at baseline and reassessed at 6 and 9 months after therapy. Additionally, GCF was collected from group I, II, III and IV at 1,7,14, 21, and 30 days in order to evaluate SMV availability and the effect of EDTA root surface etching on its availability using High-performance liquid chromatography(HPLC). ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT03419429
Study type Interventional
Source Ain Shams University
Contact
Status Completed
Phase Phase 4
Start date January 2016
Completion date June 2017
View Details
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