This summer, consumers want to enjoy their ice cream without the twinge of biting into it if they have teeth sensitivity.    Luckily, Tom’s of Maine has recently launched a new toothpaste to add to its roster of organic, certified B Corporation oral products to help keep teeth strong and protected. Introducing Sensitivity + Whitening Fluoride Free Toothpaste.    Designed to penetrate deeply to block the open dentin tubules, the product’s amino acid arginine and calcium carbonate ...