Abstract
Human oral cavity in health is normally colonized by different microbiological flora predominantly with Candida species. Wearing a removable denture and an immunologically deranged health is known to increase oral candidal colonization. The purpose of this study was to assess candidal colonization and species diversity in the oral cavity of diabetic and nondiabetic denture wearers and correlation with the presence of Candida on finger tips of the patients. 120 subjects in the age group of 40-70 years were included in the study. Three groups were formed, Group I: Diabetic, denture wearer, Group II: Nondiabetic denture wearer, Group III: Nondiabetic, nondenture wearer subjects. The oral samples from all the subjects were collected with oral rinse technique and were then inoculated on to the CHROMagar. For fingertip sampling, subjects placed their hands on sabouraud dextrose plate for 1 min and candidal growth was assessed and species were isolated using auxanometric plate method of sugar assimilation test. The mean number of colony forming unit (CFU) of Candida in Group I, Group II and Group III was 892.50, 590.00 and 152.50, respectively. Most commonly isolated species in diabetic denture wearer group were Candida albicans, Candida tropicalis, Candida glabrata, Candida krusei, Candida kefyr, Candida gulliermondi and Candida parapsilosis. The mean number of colonies for fingertip contamination was more for diabetic denture wearers (1.50) as compared to nondiabetic denture wearers (1.00). In conclusion, candidal carriage (based on the CFU) was more in diabetic denture wearer patients than the nondiabetic denture wearers. C. krusei and C. kefyr were the two species of Candida found only in diabetic subjects. Furthermore, there was a correlation in the fingertip contamination and oral candidal colonization.
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