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Information Journal Paper

Title

COMPARISON OF TWO TECHNIQUES FOR EVALUATION OF CORONAL LEAKAGE ALONG OF A GLASS FIBER POST

Pages

  124-131

Abstract

 Objective: Contradictory results have been reported over MICROLEAKAGE studies of restorative materials and methods. Despite the number of publications on leakage there are few evidences comparing the different MICROLEAKAGE evaluation methods. The purpose of the present study was to compare the CLEARING TECHNIQUE and LONGITUDINAL SECTIONING in the evaluation of dye penetration along a GLASS FIBER POST.Materials and Methods: Fifteen single-rooted human teeth were endontically prepared and obturated with gutta percha points and a resin based sealer (AH26). A GLASS FIBER POST (Glassix) was cemented into each post space with a dual polymerizing resin cement (Varilink II) and the composite core (Tetric Ceram) was fabricated. Specimens were immersed in Indian ink solution for 72 hours after completion of 1500 cycles of thermal cycling. Then demineralized, cleared and evaluated for the deepest length of dye penetration using a stereomicroscope. Specimens were then cut longitudinally and the length of penetration was measured again by the same instrument.The mean difference of the penetrated length was analyzed by two methods using the paired t test and an analysis of correlation (a=0.05).Results: No significant difference was found in the mean MICROLEAKAGE measured by the two methods (P=0.07). Significant correlation was found between them (P=0.0001, r=0.9) Conclusion: The CLEARING TECHNIQUE and LONGITUDINAL SECTIONING showed the same results in MICROLEAKAGE of Glassix post and composite core within the limitation of the present study.

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    APA: Copy

    SADIGHPOUR, L., REZAEI, S., GERAMIPANAH, F., MOHAMMADI, M., & CHOUBCHIAN, S.. (2010). COMPARISON OF TWO TECHNIQUES FOR EVALUATION OF CORONAL LEAKAGE ALONG OF A GLASS FIBER POST. FRONTIERS IN DENTISTRY (JOURNAL OF DENTISTRY OF TEHRAN UNIVERSITY OF MEDICAL SCIENCES), 7(3), 124-131. SID. https://sid.ir/paper/297877/en

    Vancouver: Copy

    SADIGHPOUR L., REZAEI S., GERAMIPANAH F., MOHAMMADI M., CHOUBCHIAN S.. COMPARISON OF TWO TECHNIQUES FOR EVALUATION OF CORONAL LEAKAGE ALONG OF A GLASS FIBER POST. FRONTIERS IN DENTISTRY (JOURNAL OF DENTISTRY OF TEHRAN UNIVERSITY OF MEDICAL SCIENCES)[Internet]. 2010;7(3):124-131. Available from: https://sid.ir/paper/297877/en

    IEEE: Copy

    L. SADIGHPOUR, S. REZAEI, F. GERAMIPANAH, M. MOHAMMADI, and S. CHOUBCHIAN, “COMPARISON OF TWO TECHNIQUES FOR EVALUATION OF CORONAL LEAKAGE ALONG OF A GLASS FIBER POST,” FRONTIERS IN DENTISTRY (JOURNAL OF DENTISTRY OF TEHRAN UNIVERSITY OF MEDICAL SCIENCES), vol. 7, no. 3, pp. 124–131, 2010, [Online]. Available: https://sid.ir/paper/297877/en

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