From optical brightening to charcoal cleaning, we look at how whitening toothpastes claim to work, and get the experts to weigh in Toothpaste aisles are packed full of weird and wonderful products ...

Key Takeaways Fluoride helps protect kids’ teeth from cavities and decayChildren can still get fluoride through toothpaste, rinses and moreDentists say parents play a key role in brushing and flossing ...