Demonstrate how to brush. Practice tooth brushing. Invite a dentist, hygienist,nutritionist to talk about dental health. Some dentists stock chewable disclosing tablets to help spot missed places after brushing. Do this outside where preschoolers can be messy and experiment freely.
Bacteria living in the mouth eat sugar, make acid, and decay teeth.
Explore how sugar decays teeth. Explore how milk and calcium build strong teeth and bones. Fat contains more than twice the energy of protein, starch, or sugar. Exercise burns energy to help maintain weight. Exercise also keeps you fit by keeping the heart and bones healthy.