Document Detail

Clinical effect of subgingivally delivered simvastatin in the treatment of patients with chronic periodontitis: a randomized clinical trial.
MedLine Citation:
PMID:  20151799     Owner:  NLM     Status:  MEDLINE    
BACKGROUND: Periodontitis is an inflammatory disease that results in bone resorption creating bony defects, which may cause tooth loss. Various drugs have been studied using local delivery to improve the periodontal health and to achieve periodontal regeneration. Simvastatin (SMV) is a specific competitive inhibitor of 3-hydroxy-2-methyl-glutaryl coenzyme A reductase. The present study was designed to investigate the effectiveness of SMV, 1.2 mg, in an indigenously prepared biodegradable controlled-release gel as an adjunct to scaling and root planing (SRP) in the treatment of chronic periodontitis. METHODS: Sixty patients were categorized into two treatment groups: SRP plus placebo (group 1) and SRP plus SMV, 1.2 mg (group 2). Clinical parameters were recorded at baseline before SRP and at 1, 2, 4, and 6 months; they included modified sulcus bleeding index (mSBI), probing depth (PD), and clinical attachment level (CAL). At baseline and after 6 months, radiologic assessment of intrabony defect (IBD) fill was done using computer-aided software. The mean concentration of SMV in gingival crevicular fluid was estimated by reverse-phase high-performance liquid chromatography. RESULTS: All subjects tolerated the drug, without any postapplication inflammation. Both therapies resulted in significant improvements. The decrease in mSBI score at 6 months was greater in group 2 (2.3267 +/- 0.8017) compared to group 1 (0.5033 +/- 0.6815). The mean decrease in PD from baseline to 6 months was 1.20 +/- 1.24 mm and 4.26 +/- 1.59 mm in groups 1 and 2, respectively. Mean CAL gain from baseline to 6 months was 1.63 +/- 1.99 mm and 4.36 +/- 1.92 mm in groups 1 and 2, respectively. In group 2, there was greater decrease in mean IBD (1.41 +/- 0.74 mm or 32.54%) compared to group 1 (0.09 +/- 0.58 mm or 2.16%). CONCLUSION: There was a greater decrease in gingival index and PD and more CAL gain with significant IBD fill at sites treated with SRP plus locally delivered SMV in patients with chronic periodontitis.
Avani R Pradeep; Manojkumar S Thorat
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Publication Detail:
Type:  Journal Article; Randomized Controlled Trial    
Journal Detail:
Title:  Journal of periodontology     Volume:  81     ISSN:  1943-3670     ISO Abbreviation:  J. Periodontol.     Publication Date:  2010 Feb 
Date Detail:
Created Date:  2010-02-15     Completed Date:  2010-06-15     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8000345     Medline TA:  J Periodontol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  214-22     Citation Subset:  D; IM    
Department of Periodontics, Government Dental College and Research Institute, Karnataka, India.
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MeSH Terms
Administration, Topical
Chronic Periodontitis / drug therapy*,  enzymology
Combined Modality Therapy
Delayed-Action Preparations
Gingival Pocket / drug therapy*
Hydroxymethylglutaryl-CoA Reductase Inhibitors / administration & dosage*
Middle Aged
Periodontal Index
Root Planing*
Simvastatin / administration & dosage*
Treatment Outcome
Reg. No./Substance:
0/Delayed-Action Preparations; 0/Gels; 0/Hydroxymethylglutaryl-CoA Reductase Inhibitors; 79902-63-9/Simvastatin

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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