Periodontitis (exposure) vs No periodontitis
Preterm birth (<37 weeks) · Pregnant women
Periodontitis definition: >=3 mm CAL: OR 2.50 (1.60 to 3.90) for preterm birth, significant.
1 finding from 1 review
OR 2.50 [1.60, 3.90]
6 studies
GRADE not reported
Periodontitis (exposure) vs No periodontitis
Preterm birth (<37 weeks) · Pregnant women
Periodontitis definition: >=1 mm CAL: OR 2.87 (1.65 to 4.99) for preterm birth, significant.
1 finding from 1 review
OR 2.87 [1.65, 4.99]
2 studies
GRADE not reported
Periodontitis (exposure) vs No periodontitis
Preterm birth (<37 weeks) · Pregnant women
Studies including participants with co-morbidities: OR 2.16 (1.54 to 3.03) for preterm birth, significant.
1 finding from 1 review
OR 2.16 [1.54, 3.03]
4 studies
GRADE not reported
Periodontitis (exposure) vs No periodontitis
Preterm birth (<37 weeks) · Pregnant women
Examined teeth: full mouth without specification on third molars: OR 2.77 (1.72 to 4.44) for preterm birth, significant.
1 finding from 1 review
Periodontitis (exposure) vs No periodontitis
Preterm birth (<37 weeks) · Pregnant women
Risk of bias: high: OR 1.60 (0.75 to 3.44) for preterm birth, not significant.
1 finding from 1 review
OR 1.60 [0.75, 3.44]
2 studies
GRADE not reported
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
Preterm birth < 35 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, polishing, or… changes preterm birth < 35 weeks compared with no treatment (very low certainty).
1 finding from 1 review
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
Preterm birth < 32 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, polishing, or… changes preterm birth < 32 weeks compared with no treatment (very low certainty).
1 finding from 1 review
Preterm birth < 35 weeks · Pregnant women considered to have periodontal disease (gingivitis or periodontitis) after dental examination
1 finding from 1 review
Periodontal disease vs No periodontal disease
Preterm birth · People in observational studies
Periodontal disease and Preterm birth: pooled OR 1.58 (1.38–1.81); credibility class Ⅲ.
1 finding from 1 review