Biology of Humans 4th Edition by Judith Goodenough,Betty McGuire

Exercise 7

Dental x-rays are taken using small doses of radiation and are used to detect tooth decay, injuries to the roots of teeth, and problems with the bones supporting the teeth. A dental profes- sional covers the patient with a lead apron that runs from the neck to the abdomen and then leaves the room to take the x-ray. Why are such precautions necessary?