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- Title
In vitro comparison of root-canal measurements with conventional and digital radiology.
- Authors
Lozano, A.; Forner, L.; Llena, C.
- Abstract
Abstract Lozano A, Forner L, Llena C. In vitro comparison of root-canal measurements with conventional and digital radiology. International Endodontic Journal , 35 , 542–550, 2002. Aim The present study compared the efficacy of digital and conventional radiology for root-canal length measurement. Methodology Seventy extracted teeth with preserved roots were used. Root-canal length measurements were completed with K-Flexofiles (numbers 08, 10 and 15) with conventional and digital radiography using two systems (radiovisiography and photostimulate storage phosphor). All films and sensors were exposed at projections of 0° and 20° to the mesial. The images obtained were evaluated with and without magnification, and analysed using the Cohen's kappa test. The accuracy of the three systems to determine the root-canal length were evaluated by measuring the distance from the tip of the file to the apex. Results Most of the values corresponding with the apex occurred with conventional radiology. The digital systems yielded negative values that improved with a size 15 file. The agreement between the two digital systems was the best with size 15 file using 0° projection (66.7%). Conclusions Conventional radiology remains the technique of choice in determining the root-canal length; the digital techniques yielded good results for size 15 file.
- Subjects
DENTAL pulp cavities; RADIOLOGY
- Publication
International Endodontic Journal, 2002, Vol 35, Issue 6, p542
- ISSN
0143-2885
- Publication type
Article
- DOI
10.1046/j.1365-2591.2002.00535.x