What are the aesthetic advantages and technical challenges of lingual orthodontics?

Jul 17, 2018 ... Shark skin feels exactly like sandpaper because it is made up of tiny teeth-like structures called placoid scales, also known as dermal ... Jan 23, 2013 ... Every bit of food came back up stinking like rotten eggs, and each time, Henry became hungrier, and, worst of all, he began to crave a piece of ... The only complete set of Washington's dentures that still survives is preserved by George Washington's Mount Vernon and is made of animal and human teeth, lead ... Jun 12, 2018 ... Teeth are not living tissue. They're comprised of four different types of tissue: ... The pulp is the innermost part of a tooth. It contains blood ... Check out our human teeth jewelry selection for the very best in unique or ... Made to ... Sep 28, 2014 ... The layer just underneath enamel is called dentin and comprises the majority of your tooth structure. Dentin is naturally yellow in color. As ... Over time, tooth erosion can expose the inner dentin in your tooth and potentially lead to tooth sensitivity.iii, iv. What Is Tooth Enamel Made Of? Enamel made ... ... made out of clear plastic. However, retainers only hold teeth in place. Invisalign gradually works to align your teeth according to a treatment plan created by ... Porcelain is widely used to create dental implant restorations because it's very similar to teeth in hardness, translucence, appearance, and overall durability. Feb 12, 2015 ... In regular enamel, it's magnesium, and in the pigmented enamel of beaver and other rodents, it's iron.” The unprecedented imaging study of tooth ...