It is estimated that half of all American adults have some degree of dental phobia, and of them, a full 20 percent have such severe anxiety that it may prevent them from getting even routine dental care. This can be extremely problematic, especially when you consider that the American Dental Association recommends you visit your dentist every six months for regular dental exams and cleanings. Skipping these important appointments can leave your smile vulnerable to a variety of problems ranging from cavities to gum disease to even oral cancer. But what’s causing all this fear? Here’s a closer look at some common reasons for dental phobia, and what you can do about it.