Findings

What do systematic reviews say?

3 questions · 5 findings · 2 reviews · All outcomes

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No studies found 0 · 0%GRADE not reported 1 · 20%Very low 3 · 60%Low 1 · 20%Moderate 0 · 0%High 0 · 0%

Periodontal treatment (scaling and root planing, polishing, or surgery), alone or with oral hygiene counselling, antiseptics, or antimicrobials vs no treatment

Gestational age (preterm birth < 37 weeks) · Pregnant women considered to have periodontal disease (gingivitis or periodontitis) after dental examination

Periodontal treatment (scaling and root planing, polishing, or… showed no clear difference in gestational age (preterm birth < 37 weeks) compared with no treatment (low certainty).

1 finding from 1 review

Treating periodontal disease for preventing adverse birth outcomes in pregnant women 2017 · Cochrane All outcomes
RR 0.87 [0.70, 1.10]
11 studies · 5671 participants
Low

Periodontal treatment (scaling and root planing, alone or with antimicrobials) vs Alternative (less intensive) periodontal treatment, alone or with placebo

Gestational age (preterm birth < 37 weeks) · Pregnant women considered to have periodontal disease (gingivitis or periodontitis) after dental examination

It is very uncertain whether periodontal treatment (scaling and root planing, alone or with… changes gestational age (preterm birth < 37 weeks) compared with alternative (less intensive) periodontal treatment, alone or with… (very low certainty).

3 findings from 1 review

Treating periodontal disease for preventing adverse birth outcomes in pregnant women 2017 · Cochrane All outcomes
SRP + antimicrobial vs alternative mechanical treatment + placebo
RR 1.40 [0.67, 2.92]
1 study · 243 participants
Very low
Treating periodontal disease for preventing adverse birth outcomes in pregnant women 2017 · Cochrane All outcomes
SRP vs alternative mechanical treatment
RR 0.87 [0.46, 1.67]
4 studies · 1168 participants
Very low
Treating periodontal disease for preventing adverse birth outcomes in pregnant women 2017 · Cochrane All outcomes
SRP + antimicrobial vs SRP + placebo
RR 3.08 [1.15, 8.20]
1 study · 243 participants
Very low

Dental caries during pregnancy vs Pregnant women without dental caries

Preterm birth stratified by gestational age at birth (moderate-to-late 32 to <37, very 28 to <32, extremely <28 weeks) · pregnant women

The planned subanalysis of preterm birth by gestational age at birth (moderate-to-late, very, extremely preterm) could not be performed because of the small number of cases and lack of stratified data in the original studies.

1 finding from 1 review

Dental caries and preterm birth: a systematic review and meta-analysis. 2018 All outcomes
Pregnant women assessed around delivery in observational studies across multiple countries (Mexico, Malawi, India, France, Jordan, Finland, Tanzania); mostly retrospective cohort and case-control designs · By gestational age at birth
no estimate extracted
0 studies
GRADE not reported