Are you concerned with having x-rays taken when you visit the dentist? Take a look at the following article from the American Dental Association, addressing many common questions about dental x-rays. It addresses concerns about the amount of radiation exposure to patients, how often x-rays should be taken, reasons they need to be taken, and what to do if you’re pregnant. The American Dental Association is the oldest and largest national dental society in the world. It provides dentists and their patients with the latest research and developments in dentistry.