SynthesisMedicina oral, patologia oral y cirugia bucal2026
The association between poor glycemic control and apical periodontitis: A systematic review and meta-analysis.
Synthesis in Medicina oral, patologia oral y cirugia bucal, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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5 authors.
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Abstract
backgroundDiabetes mellitus (DM) is a common metabolic disorder, and persistent hyperglycemia may impair oral health through various immunological and inflammatory mechanisms, particularly by influencing the onset and healing of apical periodontitis (AP). This systematic review and meta-analysis aimed to evaluate whether poor glycemic control (PGC) is associated with the presence and progression of AP. MATERIAL AND
methodsThis study was conducted in accordance with the PRISMA 2020 guidelines. A comprehensive search of PubMed, Embase, Google Scholar, and Scopus was performed to identify relevant English-language studies published up to June 2025. Cross-sectional and longitudinal studies examining the association between glycemic control status-defined by glycated hemoglobin (HbA1c) levels-and AP-related outcomes were included. Data were synthesized using RevMan 5.3 software to calculate pooled odds ratios (ORs) and 95% confidence intervals (CIs). Heterogeneity and publication bias were also assessed.
resultsA total of 18 studies comprising approximately 51,070 patients were included. The relationship between PGC and AP was examined across three domains: AP prevalence, the persistence of apical periodontitis in root-filled teeth (AP-RFT), and alterations in local or systemic immune responses. Meta-analysis of AP prevalence (6 studies) revealed that individuals with PGC had a significantly increased risk of developing AP compared to controls (OR=2.38, 95% CI: 1.98-2.86, P<0.00001). Furthermore, meta-analysis of AP-RFT persistence (8 studies) showed that patients with PGC had a significantly higher risk of AP-RFT (OR=2.74, 95% CI: 2.03-3.70, P<0.0001). Several studies also reported elevated levels of inflammatory cytokines and bacterial load in patients with PGC. DISCUSSION: PGC appears to negatively influence both the development and healing of AP, possibly through immune-inflammatory pathways.
conclusionsPGC is closely associated with the occurrence of AP and the failure of periapical healing following endodontic treatment. PGC may aggravate periapical tissue damage and inflammation through proinflammatory immune pathways. Clinicians should consider comprehensive evaluation and individualized management of DM patients during endodontic therapy to improve treatment outcomes and oral health.
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