The hygienist can cause a lot of anxiety for some of us. All the scraping, poking and prodding is enough to push almost anyone over the edge. It could be that this is soon to change, though. And that’s got a few of us here at Wellness more than a little excited (and some of us a little terrified, too). Thanks to an army of- small robots- trips to the dentist may soon get a lot more high-tech. Designed...