EFFECT OF TWO SURFACE SEALANTS ON MICROLEAKAGE OF CLASS V RESIN COMPOSITE RESTORATIONS

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DAVARI ABDOLRAHIM; DANESH KAZEMI ALIREZA; ABOALI MOSA

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Journal: Journal of Dental Medicine Year:2012 | Volume:25 | Issue:1 (70) Page(s): 33-40

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Title

EFFECT OF TWO SURFACE SEALANTS ON MICROLEAKAGE OF CLASS V RESIN COMPOSITE RESTORATIONS

Author(s)

DAVARI ABDOLRAHIM | DANESH KAZEMI ALIREZA | ABOALI MOSA | Issue Writer Certificate

Keywords

SURFACE SEALANTQ2

MICROLEAKAGEQ3

RESTORATIONQ2

Abstract

Background and Aims: When composite resin polymerizes, shrinkage stresses tend to produce gaps at the tooth/ RESTORATION interfaces. SURFACE SEALANTs may reduce or avoid problems related to the marginal interface. The aim of this study was to evaluate the effect of two different SURFACE SEALANTs (Fortify and Optiguard) on the MICROLEAKAGE of class V resin composite RESTORATIONs.Materials and Methods: Twenty three sound noncarious molars were collected. Totally, 45 Class V cavities with the occlusal margins in enamel and cervical margins in cementum were prepared in both buccal and lingual surfaces. The specimens were randomly assigned in three groups (15 cavities in each group) and then restored with a resin composite. After the finishing and polishing procedures, the RESTORATIONs in each group were covered with a specific SURFACE SEALANT, except for the control samples, which were not sealed. After placing RESTORATIONs, the specimens were thermocycled and then immersed in a 50% silver nitrate solution (tracer agent) for four hours, sectioned longitudinally and analyzed for leakage using a stereomicroscope in a blind manner. The marginal MICROLEAKAGE was evaluated at the occlusal and cervical interfaces and compared among the three groups using the Kruskall-Wallis and the Mann-Whitney U tests.Results: MICROLEAKAGE was found in all groups at both occlusal and cervical margins. Significantly greater leakage was observed at the cervical margins compared to the enamel margins of the material groups (P=0.005).There was no statistically significant difference among the groups at occlusal margins (P=0.66). In the cervical region, Fortify showed improved results and statistically presented the lowest degree of MICROLEAKAGE (P=0.003).Conclusion: The used sealant materials presented different rates of effectiveness and Fortify decreased marginal MICROLEAKAGE significantly.

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APA: Copy

DAVARI, ABDOLRAHIM, DANESH KAZEMI, ALIREZA, & ABOALI, MOSA. (2012). EFFECT OF TWO SURFACE SEALANTS ON MICROLEAKAGE OF CLASS V RESIN COMPOSITE RESTORATIONS. JOURNAL OF DENTAL MEDICINE, 25(1 (70)), 33-40. SID. https://sid.ir/paper/408101/en

Vancouver: Copy

DAVARI ABDOLRAHIM, DANESH KAZEMI ALIREZA, ABOALI MOSA. EFFECT OF TWO SURFACE SEALANTS ON MICROLEAKAGE OF CLASS V RESIN COMPOSITE RESTORATIONS. JOURNAL OF DENTAL MEDICINE[Internet]. 2012;25(1 (70)):33-40. Available from: https://sid.ir/paper/408101/en

IEEE: Copy

ABDOLRAHIM DAVARI, ALIREZA DANESH KAZEMI, and MOSA ABOALI, “EFFECT OF TWO SURFACE SEALANTS ON MICROLEAKAGE OF CLASS V RESIN COMPOSITE RESTORATIONS,” JOURNAL OF DENTAL MEDICINE, vol. 25, no. 1 (70), pp. 33–40, 2012, [Online]. Available: https://sid.ir/paper/408101/en

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