As your kids grow up, their oral care needs change. So what better way to transition them to fluoride toothpaste than brushing with Orajel Anticavity Fluoride Toothpaste. Orajel helps protect against cavities to keep young teeth and gums healthy. And strengthens and protects teeth . Starting at age 2, your child can start brushing with fluoride toothpastes. Start with a very small amount and eventually work up to a 'pea-sized' dollop on their brush. Why Would My Child Need Fluoride? Low levels of fluoride protect tooth enamel and prevent cavities.