X-Rays

Dental X-rays are typically performed yearly. They can happen more often if your dentist is tracking the progress of a dental problem or treatment.

Factors affecting how often you get dental X-rays may include:

  • your age
  • your current oral health
  • any symptoms of oral disease
  • a history of gum disease (gingivitis) or tooth decay

If you’re a new patient, you’ll probably undergo dental X-rays so that your new dentist can get a clear picture of your dental health. This is especially important if you don’t have any X-rays from your previous dentist.

Children may need to have dental X-rays more often than adults because their dentists might need to monitor the growth of their adult teeth. This is important because it can help the dentist determine if baby teeth need to be pulled to prevent complications, such as adult teeth growing in behind baby teeth.

While dental X-rays do involve radiation, the exposed levels are so low that they’re considered safe for children and adults. If your dentist uses digital X-rays instead of developing them on film, your risks from radiation exposure are even lower.

Pregnancy is an exception to the rule. Women who are pregnant or believe they may be pregnant should avoid all types of X-rays. Tell your dentist if you believe you are pregnant, because radiation is not considered safe for developing foetuses. In exceptional circumstances, x-rays may be necessary and in that case, your dentist will use a lead apron around you to protect your developing foetus.

Periapical

Provides a view of the entire tooth, from the crown to the bone that helps to support the tooth.

Bitewing

Offers a visual of both the lower and upper posterior teeth. This type of X-ray shows the dentist how these teeth touch one another (or occlude) and helps to determine if decay is present between back teeth.

Panoramic

Shows a view of the teeth, jaws, nasal area, sinuses and the joints of the jaw, and is usually taken when a patient may need orthodontic treatment or implant placement.

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