Scattered radiation grids in cephalometric radiography.
Scattered radiation grids are routinely used in medical radiological examinations of the skull, but less commonly in cephalometric radiography. Because the grids involve an increased radiation dose, it is necessary to determine whether the diagnostic quality of cephalometric radiographs is improved by a grid to an extent that justifies this increased dose. This investigation has failed to demonstrate any improvement in the identification of five landmarks. It is thus concluded that there is no justification for the use of scattered radiation grids in cephalometric radiography.
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D000328:Adult; D002508:Cephalometry / Q000295:instrumentation*; D005147:Facial Bones / Q000000981:diagnostic imaging; D006801:Humans; D008348:Manikins; D011829:Radiation Dosage; D011856:Radiographic Image Enhancement / Q000295:instrumentation; D012542:Scattering, Radiation / Q000295:instrumentation*