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Prevalence of Periodontitis in People Clinically Diagnosed with Diabetes Mellitus: a Meta-analysis of Epidemiologic Studies

Overview
Journal Acta Diabetol
Specialty Endocrinology
Date 2021 May 24
PMID 34028620
Citations 25
Authors
Affiliations
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Abstract

Aims: The relationship between diabetes mellitus and periodontitis has long been discussed, but the conclusion of this relationship was controversial. We conducted this meta-analysis to explore the association between diabetes mellitus and the prevalence of periodontitis.

Methods: PubMed, Embase, Web of Science, and the Cochrane Library were searched for studies reporting associations of periodontitis with diabetes. Gray literature was integrated from the Open-Gray database. Prevalence estimates and odds ratios were extracted by two independent reviewers and synthesized through meta-analyses.

Results: Twenty-seven papers met the inclusion criteria involving 3092 diabetic patients and 23,494 controls. Overall prevalence of periodontitis was 67.8% in diabetics (combined types) and 35.5% in patients without diabetes (OR, 1.85; 95%CI, 1.61-2.11). Probing depth (MD 0.23; 95% CI, 0.17-0.29; I = 25%) and plaque index (MD, 0.20; 95% CI, 0.18-0.23; P = 0.59; I = 0%) severity scores were significantly greater among the diabetic group.

Conclusions: The prevalence and severity of periodontitis are greater in patients with diabetes than in non-diabetic populations.

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