Enamel matrix derivative Enamel matrix derivative In dentistry, enamel matrix derivative (EMD) is an extract of porcine fetal tooth material used to biomimetically stimulate the soft and hard tissues surrounding teeth to regrow (in a process known as regeneration) following tissue destruction. There are three hard tissues that comprise human teeth: enamel, dentin and cementum. The majority of the tooth structure is formed from dentin, and the enamel serves as the superficial layer of the crown while the cementum serves to cover the root. In the mid-1990s, however, it was discovered that a very thin layer of enamel actually exists between the dentin
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