When you choose vinyl soffit for your home, you can forget about time-consuming maintenance. The vinyl color goes all the way through each panel, so it never needs to be painted. Your soffit will keep its fresh-looking finish season after season.
The white, outer shell of a tooth is made of enamel, the hardest substance in the body. Under the enamel is a softer substance called dentine, and inside this is the soft, living heart of the tooth, called the pulp cavity. Beneath the hard outer surface, dentine forms the body of a tooth.he white, outer shell of a tooth is made of enamel, the hardest substance in the body. Under the enamel is a softer substance called dentine, and inside this is the soft, living heart of the tooth, called the pulp cavity. Beneath the hard outer surface, dentine forms the body of a tooth.
Shark teeth are the most common type of fossil for a number of reasons. First, shark teeth, like most teeth, are made of dentin, a hard calcified tissue that does not easily decompose. Dentin is harder and denser than bone. In a tooth, the Dentin is surrounded by a very hard enamel shell. Secondly, to maintain a sharp smile, shark teeth are designed to regularly fall out and be replaced.