The nurse is providing anticipatory guidance to the mother of a 6-month-old infant. What is the best instruction by the nurse in relation to the infant's oral health?
1. "Start brushing her teeth after all the baby teeth come in."
2. "Use a washcloth with toothpaste to clean her mouth."
3. "Clean your baby's gums, then new teeth, with a washcloth."
4. "Rinse your baby's mouth with water after every feeding."
Answer: "Clean your baby's gums, then new teeth, with a washcloth."