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Align Technology. Align Technology, Inc. is an American manufacturer of 3D digital scanners and Invisalign clear aligners used in orthodontics. It was founded in 1997 and is headquartered in Tempe, Arizona. The company manufactures the aligners in Juarez, Mexico, and its scanners in Israel and China. The company is best known for its Invisalign ...
Clear aligners. Clear aligners are orthodontic devices that are a transparent, plastic form of dental braces used to adjust teeth. [ 1 ] Clear aligners have undergone changes, making assessment of effectiveness difficult. [ 2 ] A 2014 systematic review concluded that published studies were of insufficient quality to determine effectiveness. [ 3 ]
In 1944, Murray L. Ballard was the first to advocate for the stripping of the lower anterior teeth due to crowding in a paper published in The Angle Orthodontist.Other authors also advocated about slenderizing the teeth for next 40 years but it was not until the 1980s when John J. Sheridan's Air Rotor Stripping (ARS) technique for interproximal reduction captured significant interest.
A palatal expander is a device in the field of orthodontics which is used to widen the upper jaw (maxilla) [1] so that the bottom and upper teeth will fit together better. [2][3] This is a common orthodontic procedure. The use of an expander is most common in children and adolescents 8–18 years of age. It can also be used in adults, although ...
Retainer (orthodontics) Top (left) and bottom (right) retainers. Vacuum form retainer in the foreground (used on upper); illustration of an early Hawley retainer in the background. Orthodontic retainers are custom-made devices, usually made of wires or clear plastic, that hold teeth in position after surgery or any method of realigning teeth.
Dental braces (also known as braces, orthodontic cases, or cases) are devices used in orthodontics that align and straighten teeth and help position them with regard to a person's bite, while also aiming to improve dental health. They are often used to correct underbites, as well as malocclusions, overbites, open bites, gaps, deep bites, cross ...
Orthodontics. Orthodontics[ a ][ b ] is a dentistry specialty that addresses the diagnosis, prevention, management, and correction of mal-positioned teeth and jaws, as well as misaligned bite patterns. [ 2 ] It may also address the modification of facial growth, known as dentofacial orthopedics. Abnormal alignment of the teeth and jaws is very ...
The types of fish to eat are categorized based on the mercury levels found in fish and the risk to human health. Mercury regulation in the United States limit the maximum concentrations of mercury (Hg) that is permitted in air, water, soil, food and drugs. The regulations are promulgated by agencies such as the Environmental Protection Agency ...