Limited evidence shows a possible causal relationship between secondhand smoke and caries in children Critical Summary Prepared by: David Leader DMD, MPH Associate Clinical Professor, Tufts University 

A Critical Summary of:

Does secondhand smoke affect the development of dental caries in children? A systematic review

Hanioka, T., Ojima, M., Tanaka, K., Yamamoto, M.. International Journal of Environmental Research & Public Health [Electronic Resource]. 2011;8(5):1503-19

Published Date: 2/4/2014

This summary is published in the Journal of the American Dental Association and can be accessed at :-


  • Systematic Review Conclusion:

    A possible causal relationship exists between caries in primary dentition and secondhand smoke (SHS), whereas a similar relationship for permanent dentition remains unclear.

  • Critical Summary Assessment:

    In this systematic review of 15 high-quality observational studies, the authors found that the results of 10 studies showed a weak to moderate relationship between caries in primary dentition and SHS, and the results of five studies showed a weak relationship for permanent dentition.

  • Evidence Quality Rating:


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