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Title

IN VITRO STUDY OF TRANSVERSE STRENGTH OF FIBER REINFORCED COMPOSITES

Pages

  101-106

Abstract

 Objective: Reinforcement with fiber is an effective method for considerable improvement in flexural properties of indirect composite resin restorations. The aim of this in-vitro study was to compare the TRANSVERSE STRENGTH of composite resin bars reinforced with pre-impregnated and NON-IMPREGNATED FIBERS.Materials and Methods: Thirty six bar type composite resin specimens (3×2×25 mm) were constructed in three groups. The first group was the control group (C) without any fiber reinforcement. The specimens in the second group (P) were reinforced with PRE-IMPREGNATED FIBERS and the third group (N) with NON-IMPREGNATED FIBERS. These specimens were tested by the three-point bending method to measure primary TRANSVERSE STRENGTH. Data were statistically analyzed with one way ANOVA and Tukey’s tests.Results: There was a significant difference among the mean primary TRANSVERSE STRENGTH in the three groups (P<0.001). The post-hoc (Tukey) test showed that there was a significant difference between the pre-impregnated and control groups in their primary TRANSVERSE STRENGTH (P<0.001). Regarding DEFLECTION, there was also a significant difference among the three groups (P=0.001). There were significant differences among the mean DEFLECTION of the control group and two other groups (PC&N<.001 and PC&P=.004), but there was no significant difference between the non- and pre-impregnated groups (PN&P=.813).Conclusion: Within the limitations of this study, it was concluded that reinforcement with fiber considerably increased the TRANSVERSE STRENGTH of composite resin specimens, but impregnation of the fiber used implemented no significant difference in the TRANSVERSE STRENGTH of composite resin samples.

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    APA: Copy

    MOSHARRAF, R., HASHEMI, Z., & TORKAN, S.. (2011). IN VITRO STUDY OF TRANSVERSE STRENGTH OF FIBER REINFORCED COMPOSITES. FRONTIERS IN DENTISTRY (JOURNAL OF DENTISTRY OF TEHRAN UNIVERSITY OF MEDICAL SCIENCES), 8(3), 101-106. SID. https://sid.ir/paper/297882/en

    Vancouver: Copy

    MOSHARRAF R., HASHEMI Z., TORKAN S.. IN VITRO STUDY OF TRANSVERSE STRENGTH OF FIBER REINFORCED COMPOSITES. FRONTIERS IN DENTISTRY (JOURNAL OF DENTISTRY OF TEHRAN UNIVERSITY OF MEDICAL SCIENCES)[Internet]. 2011;8(3):101-106. Available from: https://sid.ir/paper/297882/en

    IEEE: Copy

    R. MOSHARRAF, Z. HASHEMI, and S. TORKAN, “IN VITRO STUDY OF TRANSVERSE STRENGTH OF FIBER REINFORCED COMPOSITES,” FRONTIERS IN DENTISTRY (JOURNAL OF DENTISTRY OF TEHRAN UNIVERSITY OF MEDICAL SCIENCES), vol. 8, no. 3, pp. 101–106, 2011, [Online]. Available: https://sid.ir/paper/297882/en

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