what X-rays of my teeth at the dentist show and why it has to be radioactive and what the heavy apron does
In: Physics
1) They show the insides of your teeth, which can help the dentist identify cracks, caveties, nerve issues or other disorders of the teeth or jaw.
2) Because that is just how X-Rays work. X-Rays _are_ radiation – it has to be to pass through your body and deposit the image on the film
3) It is a lead apron – lead blocks radiation fairly well, so they drape it over you so other parts of your body don’t get radiation exposure.
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