When you think of the strongest substance in your body you might guess one of your bones, perhaps the tibia. The actual strongest substance in the body is your tooth enamel, which is the outer covering of your teeth. Your tooth enamel is even stronger than your bones and is designed to protect the inside of your tooth. Although your tooth enamel is strong and can withstand you chewing multiple times each day, it is not indestructible and can become damaged. Read on to learn more about what can damage your enamel.