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Abstract
Objective
To assess the effect of periodontal treatment during pregnancy on maternal, fetal and neonatal outcomes.
Methods
This is a systematic review and meta-analysis of randomized controlled trials that evaluated the effect of treatment of periodontal diseases on pregnancy outcomes. Primary outcome was perinatal mortality. Secondary outcomes were maternal and neonatal morbidity. Outcomes were pooled using fix-effect or random effects models and presented as risk ratio (RR), or mean difference (MD), and 95% confidence interval (CI).
Results
Twenty randomized controlled trials involving 8171 participants were included in this study. Periodontal treatment during pregnancy was associated with significantly decreased risk of perinatal mortality [N = 5942; RR = 0.53 (0.30–0.93); p = .03; heterogeneity (I2) = 0%, Number needed to treat (NNT): 162]. Periodontal treatment during pregnancy reduced risks of preterm birth [N = 7335; RR = 0.78 (0.62–0.98); p = .03; I2 = 72%, NNT = 37]. Periodontal treatment during pregnancy significantly increased birthweight (gram) [N = 4708; MD = 200.79 (63.34–337.24); p = .004; I2 = 93%]. Periodontal treatment during pregnancy was not associated with preeclampsia, gestational diabetes, cesarean section, small for gestational age, or congenital malformations.
Conclusion
Periodontal treatment during pregnancy reduces the risks of perinatal mortality and preterm birth, and improves birth weight.
Disclosure statement
No potential conflict of interest was reported by the authors.
