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Revista de Microbiologia

Print version ISSN 0001-3714


AZEVEDO, Rosa Vitória Palamin et al. Candida sp in the oral cavity with and without lesions: maximal inhibitory dilution of Propolis and Periogard. Rev. Microbiol. [online]. 1999, vol.30, n.4, pp.335-341. ISSN 0001-3714.

Fifty individuals of both sexes aged on average 45.2 years were evaluated at the Semiology Clinic of FORP-USP in order to isolate and identify yeasts from the oral cavity, with and without lesions, and to determine the maximal inhibitory dilution (MID) of the commercial products Propolis (Apis-Flora) and Periogard (Colgate) against the strains isolated. Yeasts of the genus Candida were detected in the saliva of 9/19 (47.4%) individuals with a clinically healthy mouth, 18/22 (81.8%) of individuals with oral lesions, and in 4/9 (44.4%) of patients with deviation from normality, and were detected in 19/22 (86.4%) of the lesions. In the group with oral candidiasis, we isolated in tongue and lesion, respectively for each specie: C.tropicalis (8% and 10.7%), C.glabrata (4% and 3.6%) and C.parapsilosis (2% and 3.6%), in addition to C.albicans (71.4% and 67.8%) as the only species and the prevalent. The total cfu counts/ml saliva showed a higher mean value in the group with oral candidiasis (171.5% x 103) than in the control group (72.6 x 103) or the group with abnormalities (8.3 x 103). Most of the test strains 67/70 (95.71%) were sensitive to the antiseptics, with Propolis presenting a MID of 1:20 for 54/70/77.1%), and Periogard a MID of 1:160 for 42/70 (60%) strains from healthy sites, results similar to those obtained with strains from oral lesions. Different results were mainly observed among different species. The results indicate the possibility of using the antiseptics Propolis and Periogard (chlorhexidine) for the prevention and treatment of oral candidiasis.

Keywords : Oral candidiasis; Propolis; chlorhexidine; yeasts.

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