Is the radiation from an x-ray dangerous?

Yes but rare: Prolonged exposure to radiation has serious effects on human body due to constant damage to dna, and body's inability to repair. This will not happen to staff , are well protected not to get exposed , may only happen if there is break down of protocols.

The amount: of exposure for diagnostic x-rays is considered safe. Any increased exposure to radiation contributes to a cumulative theoretical lifetime risk, including flying on a plane, but the risk from a single x-ray is miniscule. That said, the increased risk is zero if you don't have the x-ray, which is why x-rays should only be utilized when medically necessary.

Not usually : Many dental and medical offices now have digitally enhanced X-rays that use much less radiation than in the past. Any radiation can be harmful if accumulated over a lifetime but digital X-rays may be the most benign way to get the diagnostic information needed to determine the best treatment for your situation.