Cosmetic Dental Work

Where I live, there's new cosmetic dental clinics opening up. Why would people go abroad to have this done? The standard argument is it's cheaper because it's done in a almost production line ways of manufacturing these crowns that not individually tailored to a smile. There is get you in the chair, numb you up, cut all your teeth down, come back out a week or so late, they get those crowns fitted. But there have also been cases, are they going horribly wrong? Many of the people who travel abroad for cosmetic dental work are really happy with the results.