It is true that dental X-rays expose patients and clinicians to a dose of radiation, and we all know that radiation in large quantities can be harmful to the human body. It’s common for patients to decline X-rays due to this concern, which is completely understandable.
However, the modern X-ray machines used across all No Gaps Dental clinics operate at extremely low doses and follow strict safety standards. Their use is managed by clinicians who undergo annual certification and licensing with the NSW Environment Protection Authority (EPA).
All our clinicians are registered with the EPA for the safe use of dental X-ray equipment.
Why Do Dentists Use X-rays?
X-rays are fundamental to dental diagnosis, treatment planning, and the provision of treatment.
Dental X-rays help us identify what we can’t see with the naked eye. There is a lot that can hide between the teeth, under the gums, and within the jaw that would otherwise go undetected without X-rays.
For example:
- Cavities between teeth: Especially in molars that are often tightly packed (where food most commonly gets stuck). Without an X-ray we may not identify these cavities until it’s too late. Even with regular six-monthly check-ups, if X-rays aren’t captured routinely, these cavities can continue to grow until they reach the nerve, causing severe pain and potentially requiring root canal treatment or even an extraction.
- Bone loss: Aside from teeth, our gums and the surrounding jawbone are pivotal to oral health. Think of the teeth as trees, and the gums and jawbone as the soil. In gum disease, bacteria can damage the gums and the supporting bone that holds teeth in place. The longer it’s left, the looser the “soil” becomes, and eventually teeth can loosen and be lost. Dental X-rays show how much bone supports the teeth and gums and allow us to assess whether further treatment is needed.
- Wisdom teeth: Most people have wisdom teeth, which can sometimes cause significant discomfort. X-rays help us assess the position of these teeth and their proximity to the sinus or nearby nerves, allowing us to plan safe management.
- Cysts, lesions and cancers: Dental X-rays are also used as screening tools to identify potential abnormalities and growths in the maxillofacial region. These often begin small and manageable but can go undetected and progress, potentially becoming life-threatening. Routine dental X-rays provide a first level of screening to help ensure issues aren’t missed.
How Much Radiation Do Dental X-rays Emit?
Modern dental X-ray units emit extremely low doses of radiation. For comparison, a single-tooth dental X-ray exposes you to less radiation than a few hours of air travel.
There’s a common misconception that dental X-rays involve high doses. This was more of a concern in the past when film X-rays were common. In our contemporary clinics, we use digital X-rays, which involve about 30 times lower radiation than older film-based systems.
Safety Measures For Dental X-rays
All our clinicians are trained in the safe use of dental X-rays, and we take an “only when necessary” approach. We never take more X-rays than are clinically justified. There is always a reason, whether for diagnosis, screening or treatment planning.
For patients who may be more sensitive to radiation exposure, our clinics are equipped with protective gear, including lead aprons and thyroid collars.
Dental X-rays For Children
Dental X-rays in children are used for the same reasons as in adults, with the added assessment of developing teeth. By screening the adult teeth before they erupt, we can identify whether early intervention may help prevent future issues as children grow into their teenage years.
Because children can be more sensitive to radiation, exposure settings are adjusted and minimised before taking X-rays, ensuring imaging is performed safely.
Dental X-rays For Pregnancy
Taking dental X-rays during pregnancy requires careful clinical judgement. In emergencies where an X-ray is absolutely necessary, lead aprons and thyroid collars are used. If imaging can be scheduled electively, it is safest during the second trimester (weeks 14–27).
To ensure the safest management plan, please tell your treating clinician if you are pregnant.
Book Your Appointment At No Gaps Dental
At No Gaps Dental, our clinicians stay up to date with radiation safety training, and all dental X-ray machines are maintained in optimal working condition. We use the latest technology to provide a safe and comfortable experience for every patient.
If you have any concerns or questions, please contact our friendly team or book a dental X-ray in Sydney today!