Use any reputed brand toothpaste,,one thing u need to know about toothpaste and health of ur teeth,, toothpaste have only one role and that is maintain of enamel by fluoride present in the toothpaste,, otherwise i hasn't got any role,,it's the toothbrush that matters,,brush daily twice,,brush at night with baking soda,,avoid chewing tobacco,, avoid sugary drinks,,take as less as coffee or tea,,it is most important