One dentist visit enough?

Dental professionals 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 others should consider going even more often.

http://www.foxnews.com/health/2014/12/30/do-need-to-see-dentist-twice-year/