Even though your tooth enamel is very hard, it is still vulnerable to oral bacteria and the acidic foods and beverages you consume. Overtime, these things can start to erode the microscopic mineral crystals that make up your tooth enamel, making your teeth prone to tooth decay and tooth sensitivity. Fortunately, exposure to fluoride helps counteract this effect. Fluoride essentially... read more »

When tooth enamel is worn down, sensitivity develops so that even brief exposure to temperature sensitive food or even cold air can make your teeth hurt. Tooth sensitivity is when the layer of dentin with its microscopic tubules filled with nerve endings is exposed. While tooth enamel is the strongest substance in the human body, dentin is much more sensitive.... read more »