THE EFFECT OF FLUID COMPOSITE AS GINGIVAL LAYER ON MICROLEAKAGE OF CLASS II COMPOSITE RESTORATIONS

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SADEGHI M.

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Journal: Dental Research Journal Year:2007 | Volume:4 | Issue:1 Page(s): 40-47

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Title

THE EFFECT OF FLUID COMPOSITE AS GINGIVAL LAYER ON MICROLEAKAGE OF CLASS II COMPOSITE RESTORATIONS

Author(s)

SADEGHI M. | Issue Writer Certificate

Keywords

MICROLEAKAGEQ1

POSTERIOR COMPOSITEQ1

PACKABLE COMPOSITEQ1

FIBER-REINFORCED COMPOSITEQ1

FLUID COMPOSITEQ1

MICROHYBRID COMPOSITEQ1

Abstract

Introduction: FLUID COMPOSITEs have been suggested as gingival layer beneath class II composite restorations to improve marginal integrity and reduce MICROLEAKAGE. This in-vitro study evaluated the influence of FLUID COMPOSITEs as gingival layer on MICROLEAKAGE of class II packable, microhybrid, and FIBER-REINFORCED COMPOSITE restorations with the margins below the cementoenamel junction (CEJ).Methods and Materials: 45 sound premolars extracted for orthodontic reasons were selected. Class II cavities were prepared on the mesial and distal aspects with the gingival margin placed 1 mm below the CEJ, making 90 slot cavities. Teeth were randomly assigned into 3 groups (n=15). In each group, one side of each tooth was restored incrementally with respective packable, microhybrid, and FIBER-REINFORCED COMPOSITEs; whereas, on the other side, FLUID COMPOSITE was placed as a 1 mm thickness gingival increment before restoration with the same composites. The teeth were stored for one week in distilled water at 37°C, thermo-cycled (5-55°C, x 1500), and immersed in 0.5% basic fuchsine for 24 hours. Dye penetration was evaluated using a stereomicroscope at 10x magnification.The data were analyzed statistically by Kruskal-Wallis analysis of variance and Mann-Whitney U-test.Results: The FLUID COMPOSITE reduced MICROLEAKAGE at gingival margins of Class II restorations (P<0.05). The PACKABLE COMPOSITE -with or without FLUID COMPOSITE- showed lower MICROLEAKAGE, whereas microhybrid and FIBER-REINFORCED COMPOSITEs without FLUID COMPOSITE, showed higher MICROLEAKAGE. Discussion: The FLUID COMPOSITE significantly decreased the MICROLEAKAGE at gingival margins of Class II composite restorations.

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APA: Copy

SADEGHI, M.. (2007). THE EFFECT OF FLUID COMPOSITE AS GINGIVAL LAYER ON MICROLEAKAGE OF CLASS II COMPOSITE RESTORATIONS. DENTAL RESEARCH JOURNAL (DRJ), 4(1), 40-47. SID. https://sid.ir/paper/133183/en

Vancouver: Copy

SADEGHI M.. THE EFFECT OF FLUID COMPOSITE AS GINGIVAL LAYER ON MICROLEAKAGE OF CLASS II COMPOSITE RESTORATIONS. DENTAL RESEARCH JOURNAL (DRJ)[Internet]. 2007;4(1):40-47. Available from: https://sid.ir/paper/133183/en

IEEE: Copy

M. SADEGHI, “THE EFFECT OF FLUID COMPOSITE AS GINGIVAL LAYER ON MICROLEAKAGE OF CLASS II COMPOSITE RESTORATIONS,” DENTAL RESEARCH JOURNAL (DRJ), vol. 4, no. 1, pp. 40–47, 2007, [Online]. Available: https://sid.ir/paper/133183/en

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