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J Endod. 2008 Sep;34(9):1111-4. doi: 10.1016/j.joen.2008.06.018.

A comparison of five radiographic systems to D-speed film in the detection of artificial bone lesions.

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Department of Graduate Endodontics, School of Dentistry, Virginia Commonwealth University, Richmond, VA 23298, USA.


The purpose of this study was to compare three direct digital sensors (Kodak 6100 [Rochester, NY], Schick CDR [Long Island City, NY], and Dexis PerfectSize [Alpharetta, GA]), a phosphor plate system (OpTime; Milwaukee, WI), and F-speed film to standard D-speed film in the detection of artificial bone lesions prepared in mandible bone sections. Artificial bone lesions were prepared at varying depths in the cortical bone. Radiographs were randomly presented to nine different observers. Logistic regression analysis indicated significant differences in lesion detection among the radiographic systems at the mean percentage of cortical bone remaining. The Kodak filtered, Schick filtered, OpTime unfiltered, Schick unfiltered, and Dexis filtered images were significantly better at lesion detection compared with D-speed film.

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