The frequency of dental x-rays depends on your individual health needs. For new patients, a full mouth set of x-rays is required to establish a baseline and is required to be taken every five years. For returning patients, bitewing and select periapical x-rays are usually taken once a year to check for new cavities between the teeth. Dr. Zadeh utilizes modern digital x-rays, which emit significantly less radiation than traditional film x-rays and are highly safe.