1. Choosing a Baby Toothbrush When choosing a toothbrush for your baby, you need to pay attention to the size, material and hardness of the brush. Generally speaking, baby toothbrushes should use small, soft-bristled brushes to avoid causing damage to the baby\’s mouth. In addition, the materials should also be made of safe and non-toxic materials as much as possible. 2. How to use a baby toothbrush correctly. When using a baby toothbrush, you need to pay attention to the following points: 1. Brush your teeth at least twice a day, 2-2 times each time.