Some toothpaste makers are marketing an enamel strengthening toothpaste — but is it better for your teeth than the toothpaste you are currently using? "All toothpastes are enamel saving. It’s the fluoride in the toothpaste that actually helps to protect the enamel in the teeth," says Josh Bresler, a Philadelphia-area dentist and a professor at Temple's Kornberg School of Dentistry.