Oral thrush is a fungal infection presenting with creamy white lesions.

• A. Bruxism
• B. Xerostomia
• C. Oral thrush
• D. Aphthous ulcers

Answer: (C)

Recognizing oral lesions by appearance helps distinguish common mouth conditions. Creamy white, curd-like plaques that can be wiped away point to oral thrush, a fungal infection caused by Candida species. This description fits best because thrush specifically presents with those white plaques on the oral mucosa. The other options describe different problems: bruxism is teeth grinding, xerostomia is dry mouth from reduced saliva, and aphthous ulcers are painful shallow ulcers with a white or yellow center and a red border rather than the creamy plaques of thrush. If thrush is present, plaques may be removable, sometimes leaving a red, irritated surface, and risk factors include antibiotic use, denture wear, diabetes, or immune suppression.