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1 ( % 24 )! 3 2 &!' # - 1 )* +# # -! " #! / / 0 567:: / / 0 567:: /0 1 : Accuracy of digital panoramic in detection of interproximal caries Goodarzipour D 1, Nejat S 2, Fotouhi A 3 1- Assistant Professor, Department of Radiology, School of Dentistry, Tehran University of Medical Sciences 2- Assistant Professor, Department of Epidemiology, School of Public Health, Tehran University of Medical Sciences 3- Associate Professor, Department of Epidemiology, School of Public Health, Tehran University of Medical Sciences Background and Aims: Conventional radiological equipments in our country are going to be converted to digital system using computed radiology (CR) technology. If we know the accuracy of digital panoramic radiography for detection of small defects in tooth, it will be useful in cases with difficulty for taking the intraoral radiographs. The aim of this study was to evaluate sensitivity and specificity of digital panoramic radiography for detection of proximal caries compared with the bitewing radiography. Materials and Methods: One-hundred patients who had been ordered for taking both bitewing and panoramic radiography were included in this study. Panoramic and then bitewing radiographs were observed by a maxillofacial radiologist and interproximal caries were recorded. Sensitivity and specificity of digital panoramic radiography (CI=95%) was calculated compared with the bitewing radiography as a gold standard. Results: This study showed that the values for sensitivity and specificity were 62.7% (CI 95%=57.7%-67.5%) and 91.0% (CI 95%=89.2%-92.5%), respectively. Conclusion: Sensitivity of digital panoramic is less than bitewing radiography even with processing before printing. Therefore, bitewing radiography is superior for detection of inter proximal caries. Key Words: Panoramic radiography; Digital radiography; Dental caries Journal of Dental Medicine-Tehran University of Medical Sciences 2011;24(1): / Computed Radiology 567C / ;9 5 -A 5B;9 <-= > 567- >?> :0 12! < 5B :> : > 5. =F 3G> H-I. 3: 8:J > (CR) 4 1-1N- 89D. O:PQ R- / SB.> M. CR L 3: ;9 / 5 : C:%K 8. < B. VC B1 3: VC- 8-3:C B 0 5 > 2 34 B 567-2A > / - CC> HX %: 100 H7W R- : " [ B 567- TAU Z. VC- 8- Y!. 3: :>. H7W - 3: B / <2D 3: 1N- 89D.-1 8=F 1 <Q 3:M M 5B R: 5B1 B. =.Q %95 C:%K D N- 89D 5 R:C]%B. :C. -\K. C VC- 8- D) %91/0 (%57/7- %67/5 %95 C:%K D) %62/7 `: B <> 3: L 1N- 89D O:PQ R- : 1* /0 1 -! -% 56 / H 7% 1> 5 - : :@c9 d7c goodarz88@yahoo.com :3: :RM 36

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