This article is under development, please check back later for more information. Please note that this article is on enamel treatments of the future and does not focus on remineralization. What is enamel? Tooth enamel is the hard, outermost layer of the tooth. It’s the hardest substance in the human body and protects the teeth from the wear and tear of chewing and grinding food. The enamel is made up of microscopic crystals of a hard, mineral substance called hydroxyapatite. It’s what gives teeth their characteristic white color. Over time, the enamel can become worn down, which can lead to tooth decay and cavities. It’s important to take good care…