Dental scanner allows researcher to sink his teeth into entrepreneurship

Traditionally, dentists have made dental impressions by having patients bite down on a moldable silicone material. Such impressions, however, can be messy and uncomfortable, and sometimes inaccurate. In the early 2000s, a group of researchers from MIT and business students from Harvard University began working to commercialize a novel handheld scanner -- with MIT roots -- that could digitally capture three-dimensional images of the inside of a patient's mouth. Allowing fast, real-time digital de...