What is subgingival calculus?

What are shark teeth made out of? The outer part of a shark's tooth is made up of hard and mineral-rich enameloid – in fact, enameloid is one of the hardest ... ... out the exact movements of your teeth. ... Invisalign clear aligners are made from SmartTrack proprietary material to deliver more predictable tooth movements. May 7, 2007 ... Built for crunching and chewing, teeth mostly consist of hard, inorganic minerals like calcium. But they also contain nerves, blood vessels and specialized ... Human teeth are made up of four different types of tissue: pulp, dentin, enamel, and cementum. The pulp is the innermost portion of the tooth and consists of ... Apr 29, 2016 ... It covers each and every tooth, and is made up of minerals, mostly hydroxyapatite. Hydroxyapatite is known as bone mineral, but it is the ... Missing teeth options 101: What are dental bridges made of? ... Dental bridges can be made out of a wide range of materials, like porcelain, ceramics, zirconium ... Enamel – The hardest, white outer part of the tooth. Enamel is mostly made of calcium phosphate, a rock-hard mineral. Dentin – A layer underlying the enamel. George Washington had dentures that were made of ivory, gold, and lead. At his inauguration in 1789 he had only one working tooth left. Oct 19, 2016 ... George Washington's false teeth were not wooden, as you may have heard. They were actually made from a variety of materials, including human ... What are teeth made of? As with other mammals, the teeth of whales are mostly dentin, also known as ivory, a 75% mineralized tissue that also contains collagen.