Franck Dental Blog

Dental X-ray By Age

Jan 25, 2022

Does it seem like every time you go to the dentist they are saying that you need an x-ray or asking when your last x-ray was? Do you take your kids in and wonder if they are getting the same x-rays as you and as often? It can get a little confusing some times especially if you don’t know that there are different types of x-rays and that they are done at different ages.

Let’s start with a quick list of different x-rays your dentist might take (we will discuss these in detail in a future blog post).

There are Intraoral X-rays which show different aspects of teeth. These include:


Bite-wing X-rays


Periapical X-rays


Occlusal X-rays

In addition to Intraoral X-rays, there are Extraoral X-rays which include:


Panoramic X-rays




Cephalometric Projections




Computed Tomography

So how often should you get these X-Rays? Essentially if you are a new patient we will need to take a full set of x-rays to establish your current dental health but here are some other time frames that might be helpful. (Information from

If you are a repeat patient, high risk or if decay is present:


Children: every 6 months


Adolescents: every 6 – 12 month


Adults: every 12 – 18 months

If you are a repeat patient without a high risk of decay:


Children: every 12 – 24 month (if teeth are touching and surfaces cannot be visually inspected)


Adolescents: 18 – 36 months


Adults: 24 – 36 months

Current or history of gum disease:


Children, Adolescents, and Adults: as needed where areas of the disease is seen

Additional X-rays:


Children: check for growth and development of teeth if needed


Adolescents: check for wisdom teeth

If you are unsure if you need x-rays or if you have questions about the different x-rays taken just let us know, we’re happy to help!

The information on this Blog is provided for general information, is not intended to provide medical, dental or surgical advice, and should not be relied upon as a substitute for professional medical advice, diagnosis or treatment. No dentist/patient relationship is established by your use of this Site. No diagnosis or treatment is being provided. The information contained here should be used in consultation with a dentist of your choice. No guarantees or warranties are made regarding any of the information contained within this Blog.

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C. Christian Franck, DDS

721 East Baltimore Pike Suite 301
Kennett Square, PA 19348