Wisdom step by step toothpaste 4 plus years step by step 4 years cavity enamel defence fluoride toothpaste 75ml designed for growing mouths wisdom step by step cavity and enamel defence 4 toothpaste has been developed to work in three ways to clean and protect growing teeth using the recommended levels of fluoride for children over 4 years step by step paste is designed to use twice daily for maximum protection ideal for milk teeth recommended level of fluoride 1350ppm gentle ph neu