Routine dental X-rays are not backed by evidence-experts want it to stop
Briefly

The American Dental Association's 2012 guidelines advised that adults with no increased caries risk need bitewing X-rays every 2-3 years, not annually.
The latest ADA guidance published in April emphasizes minimizing patient exposure to X-rays, stating that any X-ray use must be clinically justified.
Read at Ars Technica
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