A comparison of phosphor-plate digital images with conventional radiographs for the perceived clarity of fine endodontic files and periapical lesions

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Friedlander, LT
Love, RM
Chandler, NP
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2002
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Objective. We sought to compare digital images with radiographs for the perceived clarity of small endodontic file tips at 2 different working lengths, as well as for the visualization of periapical bone lesions. Study Design. Standardized conventional radiographic and phosphor-plate digital images were taken of 20 extracted permanent mandibular molars with 06 K-files placed in the distal root canal either 2 mm short or flush with the apical foramen. Similar images were obtained from mandibles with teeth that demonstrated large (n = 10) or small (n = 10) periapical lesions. Four evaluators ranked the clarity of the digital image with that of the radiograph. Results were analyzed by using the 2-sided sign test, ordinal logistic regression, and the κ test. Results. The perceived clarity of an endodontic file tip, at any position, and of a small or large periapical lesion was significantly (P <.01) less on all digital images compared with conventional films. Conclusion. Evaluator ratings indicated that the perceived clarity of fine endodontic files and periapical lesions was significantly less with phosphor-plate digital images than with conventional radiographs. (Oral Surg Oral Med Oral Pathol Oral Radiol Endod 2002;93:321-7)

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Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology and Endodontology

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93

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3

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Dentistry

Dentistry not elsewhere classified

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