Nuby's toddler training toothpaste is formulated to be all natural with the fun flavor of tutti frutti. Safe if swallowed Nuby's toddler training toothpaste is all natural, fluoride free, and non-toxic. When using Nuby's all natural toddler training toothpaste, you can be confident that your child is not being exposed to harmful chemicals. It is recommended that your toddler learns to brush after each meal. Encouraging your toddler to brush multiple times daily will help promote the early development of good dental hygiene. The first teeth your toddler will have are the primary teeth. Primary teeth serve in the growth of your toddler and it is important that they are kept until lost naturally. Serving a number of important functions, primary teeth help maintain good nutrition by allowing your toddler to chew properly. Additionally, primary teeth help with allowing for good pronunciation and assist with guiding the proper eruption of permanent teeth.