Abstract
The aim of this cross-sectional study was to compare oral Candida carriage among cigarette- and waterpipe-smokers, electronic cigarette (E-Cig) users, and never-smokers. Demographic data and information regarding smoking and vaping were collected using a questionnaire. Number of missing teeth and unstimulated whole salivary flow rate (UWSFR) were recorded. Oral Candida samples were collected and identified using concentrated oral rinse culture technique and PCR, respectively. Level of significance was set at p<0.05. Thirty-four cigarette-smokers (Group-1), 33 waterpipe-smokers (Group-2), 30 E-Cig users (Group-3), and 32 never-smokers (Group-4) were included. All were male participants with comparable mean ages. In groups 1, 2, 3, and 4, oral Candida carriage rate was 100%, 100%, 83.3% and 50%, respectively. The most commonly isolated oral yeast species in all groups was C.albicans. C.albicans carriage was significantly higher in groups 1 (p<0.05), 2 (p<0.05), and 3 (p<0.05) than Group-4. Data stratification for age, missing teeth, and UWSFR showed no significant difference in oral yeasts carriage in groups 1, 2, and 3. Oral C.albicans carriage was significantly higher among cigarette- and waterpipe-smokers and E-Cig users than never-smokers. No significant differences were identified among groups in the oral carriage of other Candida species.
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