The video tutorial covers oral Candidiasis, also known as oral thrush, detailing its causes, risk factors, pathophysiology, symptoms, diagnosis, and treatment. It explains that oral Candidiasis is an opportunistic infection caused by Candida albicans, often affecting immunocompromised individuals. Key risk factors include immunosuppression, age extremes, diabetes, smoking, malnutrition, and antibiotic use. The pathogenesis involves overgrowth of Candida due to dysfunctional immunity, leading to symptoms like white plaques and taste loss. Diagnosis is clinical, with treatment involving topical or oral antifungals. Preventive measures include rinsing the mouth after using inhaled corticosteroids.

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