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Invisalign is manufactured by Align Technology, an American multinational medical-device company. The company's clear align system has been used to treat more than 12.2 million patients. [2] The company was founded in 1997 by Zia Chishti. Chishti conceived of the basic design of InvisAlign while an adult orthodontics patient.
The Invisalign Express 10, which uses 10 aligners, was introduced in 2005. [14] Invisalign 1.5 was released in 2009. It was followed by Invisalign G3 in 2010 and G4 in 2011. Invisalign G3 and G4 were designed for more complex treatments. An Invisalign Express 5 version, which uses 5 aligners, was introduced in 2012. [15]
Entrance to a SmileDirectClub SmileShop. The company initially partnered with Align Technology as an exclusive third-party distributor for its aligners. [12] After a dispute over violation of a non-compete clause claiming Align "misused confidential SmileDirectClub information and violated its fiduciary duties," Align was ordered by an arbitrator to close its retail locations and return its ...
For Clear Removable braces, an Essix retainer is used. This is similar to the original aligner; it is a clear plastic tray that is firmly fitted to the teeth and stays in place without a plate fitted to the palate. There is also a bonded retainer where a wire is permanently bonded to the lingual side of the teeth, usually the lower teeth only.
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]
One of the most noticeable changes in digital dental technology is the adaptation of digital scanners in dental and specialty offices. A big change for patients specifically, is the transition from plaster model impressions to digital scanners. It provides more accurate impressions and is noticeably more comfortable for patients. [14]
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.
In 1949, there were ten free styles of frame and seven which could be chosen for payment of an additional fee. There could be an 18-month waiting list before the finished spectacles arrived. Initially they were free, but a £1 charge was imposed in 1951. Free NHS lenses could be fitted into privately supplied frames. [3]