Evidence-based dentistry · 2007
Periodontal treatment in pregnant women improves periodontal disease but does not alter rates of preterm birth.
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López Rodrigo
Аннотация
DESIGN: This was a multicentre randomised controlled trial (RCT).
INTERVENTION: Pregnant women were divided into two groups. Those to whom dental treatment was given had up to four visits of periodontal scaling and root planing using ultrasonic and hand instruments, with local anaesthesia as needed. Treatment recipients were also given instruction in oral hygiene and monthly tooth polishing and re-instruction in oral hygiene, with scaling and planing as needed. Control patients received only a brief oral examination at monthly follow-ups but attended the same number of visits as the treatment group. Patients in the control group were offered the same periodontal therapy after delivery.
OUTCOME MEASURE: The primary outcome was gestational age at delivery. Secondary outcomes included birth weight, the proportion of infants who were small for gestational age, Apgar scores, and admissions to a neonatal intensive care unit.
RESULTS: Preterm birth (before 37 weeks of gestation) occurred in 49 out of 407 women (12.0%) in the treatment group (resulting in 44 live births) and in 52 out of 405 women (12.8%) in the control group (resulting in 38 live births). Although periodontal treatment improved periodontitis measures (P<0.001), it did not significantly alter the risk of preterm delivery [P 0.70; hazard ratio for treatment group versus control group, 0.93; 95% confidence interval (CI), 0.63-1.37]. There were no significant differences between the treatment and control groups in mean babies' birth weights (3239 g versus 3258 g; P 0.64) or in the rate of delivery of infants who were small for gestational age (12.7% versus 12.3%; odds ratio, 1.04; 95% CI, 0.68-1.58). There were five spontaneous abortions or stillbirths in the treatment group, compared with 14 in the control group (P 0.08).
CONCLUSIONS: Treatment of periodontitis in pregnant women improves periodontal disease and is safe but does not significantly alter rates of preterm birth, low birth weight or foetal growth restriction.
INTERVENTION: Pregnant women were divided into two groups. Those to whom dental treatment was given had up to four visits of periodontal scaling and root planing using ultrasonic and hand instruments, with local anaesthesia as needed. Treatment recipients were also given instruction in oral hygiene and monthly tooth polishing and re-instruction in oral hygiene, with scaling and planing as needed. Control patients received only a brief oral examination at monthly follow-ups but attended the same number of visits as the treatment group. Patients in the control group were offered the same periodontal therapy after delivery.
OUTCOME MEASURE: The primary outcome was gestational age at delivery. Secondary outcomes included birth weight, the proportion of infants who were small for gestational age, Apgar scores, and admissions to a neonatal intensive care unit.
RESULTS: Preterm birth (before 37 weeks of gestation) occurred in 49 out of 407 women (12.0%) in the treatment group (resulting in 44 live births) and in 52 out of 405 women (12.8%) in the control group (resulting in 38 live births). Although periodontal treatment improved periodontitis measures (P<0.001), it did not significantly alter the risk of preterm delivery [P 0.70; hazard ratio for treatment group versus control group, 0.93; 95% confidence interval (CI), 0.63-1.37]. There were no significant differences between the treatment and control groups in mean babies' birth weights (3239 g versus 3258 g; P 0.64) or in the rate of delivery of infants who were small for gestational age (12.7% versus 12.3%; odds ratio, 1.04; 95% CI, 0.68-1.58). There were five spontaneous abortions or stillbirths in the treatment group, compared with 14 in the control group (P 0.08).
CONCLUSIONS: Treatment of periodontitis in pregnant women improves periodontal disease and is safe but does not significantly alter rates of preterm birth, low birth weight or foetal growth restriction.