This document provides a quick guide to maintaining a healthy mouth. It discusses the importance of oral health, common dental diseases like cavities and gum disease which are caused by plaque buildup, and dental erosion caused by acidic foods and drinks. Recommendations are given to brush teeth twice daily with fluoride toothpaste, limit sugary foods and drinks, and avoid rinsing with water after brushing to keep plaque at bay and prevent problems. The importance of oral health for overall health and quality of life is emphasized.