How Often Do You Really Need Dental X-Rays? (And Are They Safe?)

If you’ve ever sat in the dental chair with that little sensor in your mouth and wondered, “Do I really need this?” — you’re asking a fair question. Dental X-rays (radiographs) are one of the most valuable tools we have, but it’s completely reasonable to want to understand why we take them, how often, and whether they’re safe. Here’s an honest explanation.

Why dentists take X-rays

A visual exam only shows part of the story. Many dental problems start in places we simply can’t see with the naked eye — between teeth, beneath existing fillings, below the gumline, and inside the bone. X-rays let us catch these issues early, while they’re small and easy to treat.

• Cavities forming between teeth or under old fillings
• Infections or abscesses at the root of a tooth
• Bone loss from gum disease
• Cysts, impacted teeth, or other issues below the surface
• How adult teeth are developing in children

So how often do I actually need them?

There’s no single answer that fits everyone — and any office that X-rays every patient on a rigid schedule regardless of need isn’t individualizing your care. Frequency depends on your personal risk factors: your age, your history of cavities and gum disease, and what’s happening in your mouth right now. A patient with healthy teeth and no recent problems may only need certain X-rays every couple of years, while someone actively fighting decay or gum disease may need them more often. We recommend what’s clinically appropriate for you — no more, no less.

Are dental X-rays safe?

For the vast majority of patients, yes. Modern dental X-rays use very low levels of radiation — and today’s digital sensors have cut that exposure dramatically compared with old-fashioned film. To put it in perspective, the radiation from a routine set of dental X-rays is a small fraction of what you’re naturally exposed to from the environment over the course of everyday life.

We also follow the “ALARA” principle — As Low As Reasonably Achievable — meaning we only take the images you actually need and use protective measures to keep exposure to a minimum.

What if I’m pregnant?

Always let us know if you are or may be pregnant. Routine X-rays are often postponed during pregnancy unless there’s an urgent dental problem to address. If imaging is truly needed, protective shielding is used. When in doubt, just tell us — we’ll always err on the side of caution.

The bottom line

X-rays aren’t about doing “more” — they’re about seeing clearly so we can catch problems early and treat them gently. Dr. Shannon Skiba is always happy to explain what an X-ray shows and why it’s recommended for your specific situation. Highmark Dental Care serves patients across Jonesboro, Riverdale, Morrow, Forest Park, Stockbridge, and Lovejoy. Have questions about your care? Call (770) 478-1001 — we’re glad to talk it through.