Caries/ˈkeriːz/ Definition 1 of 3Pro Tip 1/3Brushing Importance Stresses the key role of oral hygiene in preventing tooth decay known as caries. Dentists emphasize that effective brushing is vital to avoid caries. Pro Tip 2/3Medical Condition Used to describe a medical condition affecting teeth, not to be confused with general decay. Poor diet contributes to the development of caries. Pro Tip 3/3Preventive Action Highlights actions to avert caries, focusing on measures beyond just brushing. Using fluoride toothpaste can help prevent caries.