New plasma “brush” may mean painless cavity filling

We’ve been keeping an eye on efforts to make the dreaded dentist’s drill a thing of the past for some time, and now there’s more good news on the horizon for the cavity-prone (and pain-phobic). Engineers at the University of Missouri (MU) in conjunction with Nanova, Inc. have successfully lab-tested a plasma “brush” that can painlessly clean and prep cavities so well, there’s no need for mechanical abrasion prior to filling. The really good news is that human clinical trials begin soon and, if all goes well, the device could hit dentist’s offices as soon as late 2013.

The overall process, which in the lab proved to be free of side effects, takes about 30 seconds per cavity and not only disinfects the area by bombarding bacteria with ions, but also favourably alters the surface of the tooth so that the filling material bonds even more effectively.

via New plasma “brush” may mean painless cavity filling.

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