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International Journal of Evidence-Based Practice for the Dental Hygienist
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Int J Evidence-Based Practice Dent Hygienist 2 (2016), No. 3     13. Sep. 2016
Int J Evidence-Based Practice Dent Hygienist 2 (2016), No. 3  (13.09.2016)

Page 179-181

Periodontal Treatment and Glycemic Control in Patients with Diabetes and Periodontitis: An Umbrella Review
Flores-Mir, Carlos
Background: This umbrella review evaluated the effect of nonsurgical periodontal treatment on glycemic control in patients with diabetes and periodontitis.
Clinical question: In patients with type 1 or type 2 diabetes diagnosed with chronic periodontitis, does nonsurgical periodontal treatment affect glycemic control?
Summary of methods: The authors conducted a search of PubMed, EMBASE, Cochrane Database of Systematic Reviews, Science Direct, Google Scholar, SCOPUS, and Scielo for published systematic reviews written in English, Spanish, and Portuguese that addressed the clinical question. Quality assessment was done using two assessment tools, AMSTAR and the Cochrane Risk of Bias tool. No meta-analysis was conducted.
Critical appraisal: This umbrella review included 13 systematic reviews. Generally, acceptable methods to conduct a systematic review were followed. A qualitative synthesis of the systematic reviews was provided in lieu of conducting a meta-regression of the available meta-analyses. A simple metaanalysis was possible but not completed, as previous attempts were considered adequate by the authors and repetition of the process would not have added new information.
Practical implications: Although there was a reported decrease in glycemic control after the first 3 months following periodontal treatment, the effects were relatively minor and disappeared after 6 months. The impact of nonsurgical treatment of chronic periodontitis on glycemic control in diabetic patients is inconclusive and based on a questionable level of evidence.