This research reviews the diagnosis of oral yeast infections (candidiasis), which affect many people worldwide. The study explains how doctors can identify these infections through clinical examination and laboratory tests. Impact on everyday life: • Helps doctors make faster and more accurate diagnoses of oral yeast infections • Guides healthcare providers in choosing the most appropriate diagnostic tests • Enables better treatment selection for different types of oral candidiasis • Improves understanding of when additional testing beyond visual examination is needed • Helps reduce unnecessary laboratory testing and associated healthcare costs