X-rays or dental radiographs are useful diagnostic tool for a dentist. Here are some frequently asked questions related to dental X-rays.
» Is it necessary to have dental X-rays taken?
Yes. X-rays can reveal cavities, periodontal disease, cysts, infections in the bone, position of impacted teeth, etc. which are not detected through a normal visual exam. Early detection of such dental problems can save you time and discomfort.
» Is it safe to have dental X-rays taken?
Rapid technological advances in the field of dental health care have ensured that dental X-rays emit only a small amount of radiation. Further, a lead apron or thyroid shield is used to limit exposure.
» How many types of Dental X-rays are there?
Currently, there are two types of dental X-rays - Bitewing and Periapical, and Panaromic. In both bitewing and periapical dental X-rays, the patients bite down on a small plastic piece that contains X-ray film. Both these X-rays reveal detailed images of a relatively small area.
Bitewing X-rays are useful in detecting decay between teeth and changes in bone due to gum disease. Periapical X-rays are useful to view root structure, bone levels, and other abnormalities.
Panaromic X-rays are used by dentists to get a comprehensive view of upper and lower teeth and parts of the jaw. They are used by dentists to get a comprehensive view of the complete mouth on a single film.
» How frequently can dental X-rays be taken?
Usually, a new patient requires a full set of X-rays for complete evaluation and future comparison.
Children may require X-rays more often because of their developing teeth and higher risk of cavities. Your dentist is the best judge of when an X-ray should be taken.