Many of us think of teeth as something we use for chewing food, some people use them to open beer bottles or some celebrities want them to be white and perfect when smiling but that would be about it. We actually don't give our teeth the amount of importance they fairly need and with time the side effects don't hesitate to show up. How it All Starts .. Teeth being formed Teeth are being formed from a membrane called lamina which starts to develop in our early embrional days.