الملخص

Background: Oral candidiasis is a superficial opportunistic infection of the oral cavity by Candida albicans. Local and systemic factors facilitating the development of the disease. Objective: The present study was done to evaluate the predisposing factors to oral candidiasis infection among dental clinic patients in Taiz city, Yemen. Methods: A cross-sectional study design was used for this research. This study has been carried during October 2021 to January 2022, including 200 outpatient cases with oral candidiasis infection. A history was taken from each patient was recorded in questionnaire. All yeast isolated identified by mycological examination. Results: the study shows that patients are qat chewers, smokers, and tobacco chewing patients tested are high susceptible to Candida albicans infection, the study shows that patients are gingival bleeding, bad cleaning of tooth, dry mouth tested are high susceptible to Candida albicans infection. The study shows that 59.8% of patients with orthodontics, denture wearers, dental filling and dental crown tested positive for C. albicans compared to 38.6% of patients with natural teeth. The results have revealed that the patients with the full or partial dentures are highly susceptible for Candida albicans, represented in 69.5 % of total number of the tested. The study has showed that the patients complicating diabetes and using of antibiotics tested are positive for C. albicans.