About the solution
After graduating from Stanford Business School, Chishti wore braces when working as an investment banker at Morgan Stanley. When his braces were removed he wore a clear plastic retainer. He noticed that when he did not wear the retainer for several days his teeth would move. However, putting the retainer back on helped bring his teeth to their desired, straightened state. It was this observation that a clear plastic device was capable of moving his own teeth that led Chishti to conceive a process that became the Invisalign System.
A background in computer science gave Chishti the insight that it was possible to design and manufacture an entire series of clear orthodontic devices similar to the retainer he wore, using 3D computer graphics technology to straighten teeth. Him and his co-founder Kelsey Wirth started Align Technology in 1997 to realize this vision. The process has now evolved to make extensive use of 3D printing for creating a series of braces to apply gentle pressure to straighten teeth over several months. In 2012 alone, the company printed 17 million transparent dental braces for patients.
The technology now trademarked as Invisalign has helped millions of people straighten their teeth for a beautiful smile without enduring the pain and unsightly looks of the traditional steel brackets and wires used in orthodontics.
After a year of development, the project was submitted to the FDA, and was approved.
Adapted from: http://bit.ly/2ijwK7C
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