In some cases it is required to whiten the tooth is from inside: the mechanical damage and injuries, rupture of blood vessels and the porous structure of the tooth color tooth in pinkish color, which in time becomes red-brown. Or after removal of the pulp also may occur darkening of the tooth. In such situations dentists in West Virginia perform the inner tooth whitening. Typically, the inner teeth?s whitening takes 3-5 visits. During this procedure dentist lay whitening gel into the cavity of the tooth, then put temporary stopping. During the next visit, a few days later the procedure is repeated. When desired effect is achieved, the cavity is closed by the permanent filling.