what is the white hard substance that covers the teeth? QUICK ANSWERS PLZZZZ!!!!! Share with your friends Share 1 Shourya answered this Enamel is the white hard substance that covers the teeth. 5 View Full Answer Avantika Singh answered this enamel 1 Vaibhavi answered this ITS ENAMAL STRUTURE OF A TEETH FROM OUTSIDE TO INNER SIDE1. ENAMEL 2. DENTIN3. PULP -2