Abstract
Background The ability of the Candida species to colonize surfaces can be considered as a risk factor for oral infection. Aims To establish oral Candida carriage in patients attending a dental clinic in Braga, Portugal. Methods A total of 97 patients were analysed. Swab samples were collected and directly cultured onto CHROMagar Candida. Representative yeasts were identified by polymerase chain reaction. Results From the samples analysed 54.6% ( n=53) were Candida positive, and Candida albicans was the most frequently isolated species, accounting for 79% of all the species identified. Non- C. albicans Candida (NCAC) species recovered included Candida parapsilosis, Candida glabrata, Candida tropicalis, and Candida guilliermondii. There was a lack of association between the presence of C. albicans or NCAC species, and age, gender, or prostheses wearing in this population. In 17% of the cases ( n=9), polymicrobial cultures, with two different Candida species, were identified. Conclusions This study shows a high Candida carriage rate among this population, thus pointing to the relevance of an accurate diagnostic approach in Candida species identification.
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