Do You Need to See a Dentist Twice a Year?

... have long recommended a teeth cleaning every six months. One expert, Edmond R. Hewlett, a professor of dentistry at the University of California, Los Angeles, explains why a few people can get by with less frequent visits to the dentist, while ...

http://www.wsj.com/articles/do-you-need-to-see-a-dentist-twice-a-year-1419875910