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Updated: Jun 20, 2025
Comparing the Effects of Electronic Cigarette Vapor and Cigarette Smoke in a Novel In Vivo Exposure System
Published on: May 24, 2017
Effect of conventional cigarettes and e-cigarettes on salivary biomarkers: A systematic review
Amirmohammad Dolatabadi1, Faranak Noori2, Amir Raee1
1Department of Periodontology, School of Dentistry, Tehran University of Medical Sciences, Tehran, Iran.
Background:
E-cigarette consumption is increasing, and like conventional smoking, it can cause some harmful effects. This systematic review compared the effect of conventional cigarettes and e-cigarettes on salivary biomarkers.
Methods:
The search strategies included electronic databases (Medline/PubMed, Scopus, EMBASE) and related journals up to May 2023. A qualitative assessment was performed on data extracted from the included studies. Seven studies were included in this systematic review (number of patients=563).
Results:
Eleven biomarkers were assessed and compared between e-cigarette and conventional cigarette smokers. The data showed that the different effects of electronic and conventional cigarettes on the level of these biomarkers were not achievable. Due to the heterogeneity of the studies (I2 statistic>90%), performing a meta-analysis was impossible. Even after a sub-group classification, homogeneous data were not achieved.
Conclusion:
The current data do not provide evidence of obtainable outcomes between conventional cigarettes and e-cigarettes on salivary biomarkers.
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