What type of oral infection is characterized by white plaques that can be scraped off?

Candidiasis, often referred to as oral thrush, is an infection caused by the overgrowth of the fungus Candida, typically Candida albicans. This condition is characterized by the appearance of white plaques or lesions in the oral cavity, especially on the tongue and the inner cheeks. These plaques can be easily scraped off, revealing red, inflamed tissue underneath.

The presence of these white patches is a distinctive feature that helps clinicians diagnose candidiasis. The infection may occur in individuals with weakened immune systems, those taking antibiotics, or those who wear dentures.

In contrast, herpes simplex infections usually present as painful vesicles or ulcers rather than white plaques. Stomatitis refers to inflammation of the mouth that can have various causes but does not specifically involve the characteristic white plaques of candidiasis. Angular cheilitis, which affects the corners of the mouth, typically presents as cracks or sores, not as white lesions that can be scraped away. Thus, the defining feature of white plaques that can be scraped off clearly points to candidiasis as the correct answer.