Human tooth be categorized according to whether they have environmental or developmental causes. While environmental abnormalities may appear to have an obvious cause, there may not appear to be any known cause for some developmental abnormalities. Environmental forces may affect teeth during development, destroy tooth structure after development, discolor teeth at any stage of development, or alter the course of tooth eruption. Developmental abnormalities most commonly affect the number, size, shape, and structure of teeth. Tooth abnormalities caused by environmental factors during tooth development have long-lasting effects. Enamel and dentin do not regenerate after they mineralize initially. Enamel hypoplasia is a condition
Outermost Radio Outermost Radio Outermost Radio is a feature-length documentary, written and directed by Alan Chebot, that takes an intimate look at a community on the tip of Cape Cod, far from the mainland and out of the mainstream, committed to keeping their alternative non-profit community radio station WOMR on the air through adversity. Broadcasting from the outermost region of Provincetown, Massachusetts, WOMR reaches beyond locals and tourists, to a rapidly growing fan base around the world, redefining the very concept of community. "Outermost Radio" introduces audiences to the station’s passionate and unconventional volunteer staff as they fight to keep their freedom