Don't fear the dental xrays.

With all the recent talk about radiation, from the post-tsunami, nuclear power plant meltdown in Japan, to the new airport screening methods at Hartsfield International Airport in Atlanta, people are understandable fearful about radiation.

But there're also a lot of misconceptions about radiation.  If you're one of those who avoids dental xrays to avoid the minute exposure to radiation, you should know that these xrays to far more to protect your health than harm it.  Here's a little chart that helps put radiation in perspective.  Click here to view a larger version.