We're not too fond of trips to the dentist, for all the obvious reasons (plus the fact that we still can't get the image of Steve Martin as the sadistic tooth-ripper in "Little Shop of Horrors" out of our head). But if more tools like the VELscope come onto the market, we may just start checking in with the DDS more frequently. The device, developed by LED Dental in Vancouver, uses fluorescent light that hones in on tissues that glow when abnormal cells show up. That can give the dentist an edge in fighting cancers early on, before they progress too far. The device isn't on the market yet, but is expected to sell for about $5,000 when it's released. Now if they can just find a way to replace those drills with a similar tool, we're all set.

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