The presenter discusses the problem of dental decay in infants and preschoolers. She notes that dental decay is the most common childhood illness and that low-income children have three times the amount of decay as others. Left untreated, dental decay can cause pain, infections, problems in school, and loss of baby teeth. However, tooth decay is preventable. The presenter recommends brushing teeth twice daily with fluoride toothpaste, flossing once daily, visiting the dentist twice yearly, and maintaining a nutritious diet with limited sugary snacks and drinks. She introduces the Brush curriculum, which provides weekly lessons for early childhood educators to teach dental health, nutrition, and visits. The goal is to reduce tooth decay