EFFECTS OF LIGHT CONDUCTING INTRAWEDGES IN ENAMEL GINGIVAL MARGIN MICROLEAKAGE OF POSTERIOR COMPOSITE RESIN RESTORATIONS

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MOAZAMI S.M.; ALAGHEH MAND HOMAYOUN

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Journal: Journal of Mashhad Dental School Year:2004 | Volume:27 | Issue:3-4 Page(s): 173-179

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Title

EFFECTS OF LIGHT CONDUCTING INTRAWEDGES IN ENAMEL GINGIVAL MARGIN MICROLEAKAGE OF POSTERIOR COMPOSITE RESIN RESTORATIONS

Author(s)

MOAZAMI S.M. | ALAGHEH MAND HOMAYOUN | Issue Writer Certificate

Keywords

COMPOSITE RESINQ3

MICROLEAKAGEQ3

LIGHT CONDUCTING INTRAWEDGEQ4

DENTIN BONDING AGENTQ4

Abstract

Introduction: Micro leakage of gingival floor in class II COMPOSITE RESIN restorations is a major clinical problem. The aim of this study was evaluation of the effects of LIGHT CONDUCTING INTRAWEDGEs (LCIW) in decreasing gingival micro leakage 1 millimeter above CEJ in class II COMPOSITE RESIN restorations.Materials and Methods: 60 maxillary first molars were randomly divided into six groups of ten Proximal slot cavities with gingival floor one millimeter upper to CEJ were prepared. They were filled with Brilliant composite (A3) by six different methods: A: Unfilled resin (UR) + One bulk placement D: UR+ Incremental placement B: UR+ LIGHT CONDUCTING INTRAWEDGE (LCIW)+One bulk placement E: UR + LCIW + Incremental placement C: DBA + LCIW + One bulk placement F: DBA+LCIW+ Incremental placement An etched and silanated biogas cylinder (2mm diameter) was used as LCIW. After 2500 times of thermo cycling (5oc-55oc), Samples were stained and molded in epoxy resin. Mesiodistal sections were prepared one in central and the other in the most lateral part (buccal or lingual) of gingival floor. Dye penetration was determined using a stereomicroscope. The statistical analysis was done by one way ANOVA and Duncan’s test.Results: The mean dye penetration of central and lateral sections was the least in group C (0.8 & 1 respectively) and then group F (1.2 & 1.3). This shows that because LCIW has been inserted in cavity after curing of 1mm layer in gingival floor in groups E and F, their effect in decreasing the micro leakage is less (compared with group C). Conclusion: LCIW in one bulk placement of COMPOSITE RESIN restorations can minimize the associated difficulties.

Cites

EVALUATION AND COMPARISON OF LIGHT CONDUCTING EFFICACY OF CERANA PREFABRICATED INLAY WITH INLAYS MADE BY BIOGLASS-CERAMIC AND DENTAL PORCELAIN IN INCREASING THE HARDNESS OF POSTERIOR COMPOSITES

References

تاثیر وج های هادی نور داخل ترمیمی نو ظهور در افزایش سختی انتهای ترمیم های کامپازیتی خلفی

Cite

APA: Copy

MOAZAMI, S.M., & ALAGHEH MAND, HOMAYOUN. (2004). EFFECTS OF LIGHT CONDUCTING INTRAWEDGES IN ENAMEL GINGIVAL MARGIN MICROLEAKAGE OF POSTERIOR COMPOSITE RESIN RESTORATIONS. JOURNAL OF MASHHAD DENTAL SCHOOL, 27(3-4), 173-179. SID. https://sid.ir/paper/74471/en

Vancouver: Copy

MOAZAMI S.M., ALAGHEH MAND HOMAYOUN. EFFECTS OF LIGHT CONDUCTING INTRAWEDGES IN ENAMEL GINGIVAL MARGIN MICROLEAKAGE OF POSTERIOR COMPOSITE RESIN RESTORATIONS. JOURNAL OF MASHHAD DENTAL SCHOOL[Internet]. 2004;27(3-4):173-179. Available from: https://sid.ir/paper/74471/en

IEEE: Copy

S.M. MOAZAMI, and HOMAYOUN ALAGHEH MAND, “EFFECTS OF LIGHT CONDUCTING INTRAWEDGES IN ENAMEL GINGIVAL MARGIN MICROLEAKAGE OF POSTERIOR COMPOSITE RESIN RESTORATIONS,” JOURNAL OF MASHHAD DENTAL SCHOOL, vol. 27, no. 3-4, pp. 173–179, 2004, [Online]. Available: https://sid.ir/paper/74471/en

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