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Published on: November 20, 2015
Periodontal disease and preterm delivery of low-birth-weight infants
1Division of Oral Medicine and Pathology, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alberta. tim.mcgaw@ualberta.ca
Insights
Periodontal disease may be linked to preterm delivery of low-birth-weight infants (PLBW). Further research is needed to confirm if periodontitis is a direct cause of PLBW.
Area of Science:
- Obstetrics and Gynecology
- Periodontology
- Neonatal Health
Background:
- Preterm delivery of low-birth-weight infants (PLBW) is a major public health concern, causing neonatal mortality and long-term health issues.
- Epidemiological and immunological studies suggest a potential link between periodontal disease and PLBW.
Purpose of the Study:
- To explore the potential role of periodontal disease as an independent risk factor for PLBW.
- To examine proposed mechanisms linking periodontitis to adverse pregnancy outcomes.
Main Methods:
- Review of epidemiological, microbiological, and immunological studies.
- Discussion of postulated mechanisms, including pathogen translocation and inflammatory mediator action.
- Consideration of non-causal explanations for the observed correlation.
Main Results:
- Periodontal disease is suggested as a potential independent risk factor for PLBW.
- Mechanisms involve pathogen or inflammatory mediator transfer from the oral cavity to the fetoplacental unit.
- Non-causal associations between periodontitis and PLBW are also possible.
Conclusions:
- The association between periodontitis and PLBW requires further investigation.
- Prospective and interventional studies are necessary to establish causality.
- Periodontitis is not yet confirmed as a causal factor for PLBW.
Abstract:
Preterm delivery of low-birth-weight infants (PLBW) remains a significant public health issue and a leading cause of neonatal death and long-term neurodevelopmental disturbances and health problems. Recent epidemiological and microbiological immunological studies have suggested that periodontal disease may be an independent risk factor for PLBW. Postulated mechanisms include translocation of periodontal pathogens to the fetoplacental unit and action of a periodontal reservoir of lipopolysaccharides or inflammatory mediators. However, non-causal explanations for the correlation between periodontitis and PLBW can also be offered. Prospective studies, and eventually interventional studies, will be necessary before periodontitis can be considered as a causal factor for PLBW.
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