Abstract
This study was designed to examine observer variations and reproducibility in the interpretation of the periapical bony region using conventional film radiography and xeroradiography. Six dentists (two endodontists, two general dental practitioners, and two oral radiologists) evaluated the periapical bony region of 75 roots using six categories ranging from “definitely normal” to “definitely bone destruction”. Large observer variations existed with both film and xeroradiography, but no differences in interobserver variations or intraobserver reproducibility were found between the radiographic methods. However, interpretive differences were found as the dentists used the categories definitely normal or “probably normal” more often in viewing the xeroradiographs.
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