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.
The hard material of the tooth is composed of calcium, phosphorus, and other mineral salts. The material in the majority of the tooth is called dentine. The hard, shiny layer that you brush is called the enamel. Teeth have two basic parts, a root to anchor the tooth to the jaw and a crown above the gum line.here are 3 different layers which are different for the crown of the tooth and the root of the tooth. Crown: Enamel-The hardest substance in the human body. It is approximately 95% calcified and is primarily made up of hydroxyapatite crystals.