Maple syrup is not a refined sugar, which is a devitalized food containing no minerals, vitamins, enzymes. Because refined Sugar lacks nutrients, it takes the minerals away from your teeth to break it down. After all digestion starts in the mouth. Saliva provides some of the enzymes to break food down but will not prevent Sugar from destroying our teeth if we choose to eat foods robbed of their nutritional benefits. Lemons after all are acidic, but the saliva nuetralizes the pH in our mouth so that our teeth are not destroyed. If you put a tooth in a glass of lemon juice, it would surely eat holes in the tooth.