The reduction of x-ray exposure in dental practice using rare-earth screen--fast film combinations.
D006801:Humans; D008674:Metals, Rare Earth; D011829:Radiation Dosage; D011856:Radiographic Image Enhancement / Q000295:instrumentation; D011861:Radiography, Dental / Q000379:methods*; D014962:X-Ray Film; D014963:X-Ray Intensifying Screens
D008674:Metals, Rare Earth