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Am J Obstet Gynecol. 2010 Feb;202(2):147.e1-8. doi: 10.1016/j.ajog.2009.10.892.

Treatment of localized periodontal disease in pregnancy does not reduce the occurrence of preterm birth: results from the Periodontal Infections and Prematurity Study (PIPS).

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1
Department of Obstetrics and Gynecology, Washington University in St. Louis, School of Medicine, Campus Box 8064, 4911 Barnes-Jewish Hospital Plaza, St. Louis, MO 63110-1094, USA. maconesg@wustl.edu

Abstract

OBJECTIVE:

The purpose of this study was to test whether treating periodontal disease (PD) in pregnancy will reduce the incidence of spontaneous preterm delivery (SPTD) at < or = 35 weeks of gestation.

STUDY DESIGN:

A multicenter, randomized clinical trial was performed. Subjects with PD were randomized to scaling and root planing (active) or tooth polishing (control). The primary outcome was the occurrence of SPTD at <35 weeks of gestation.

RESULTS:

We screened 3563 subjects for PD; the prevalence of PD was 50%. Seven hundred fifty-seven subjects were assigned randomly; 378 subjects were assigned to the active group, and 379 subjects were assigned to the placebo group. Active treatment did not reduce the risk of SPTD at <35 weeks of gestation (relative risk, 1.19; 95% confidence interval [CI], 0.62-2.28) or composite neonatal morbidity (relative risk, 1.30; 95% CI, 0.83-2.04). There was a suggestion of an increase in the risk of indicated SPTD at <35 weeks of gestation in those subjects who received active treatment (relative risk, 3.01; 95% CI, 0.95-4.24).

CONCLUSION:

Treating periodontal disease does not reduce the incidence of SPTD.

PMID:
20113691
DOI:
10.1016/j.ajog.2009.10.892
[Indexed for MEDLINE]
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