Once your child’s first tooth comes in, it’s time to start brushing with a fluoride toothpaste, according to the American Academy of Pediatric Dentistry — doing so helps prevent cavities and gum disease, and gets kids used to brushing from a young age. There is no difference between adult and kid toothpaste in terms of effectiveness, but choosing a product created specifically for children can make the experience more enjoyable for them, says Dr. Amr Moursi, a professor and chairman of pediatric dentistry at the New York University College of Dentistry. When they see a familiar cartoon character on the tube or get excited about the paste’s fruity flavor, brushing becomes something they look forward to. “When kids take ownership of their oral health, they’re much more proactive about it,” says Dr. Lisa Creaven, a dentist and the co-founder of Made By Dentists. (Ed’s note: The inclusion of products sold by Made By Dentists in this article was made independently of Creaven.) “It’s all about establishing good habits in the long-term.” I spoke to dentists …