EVALUATION OF CLASS V COMPOSITE RESTORATIONS MICROLEAKAGE IN PREMOLARS WITH/WITHOUT ELECTRIC CURRENT WHILE APPLYING VARIANT DENTIN BONDINGS

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DORRI NARGES; KAVIANI AZITA; NOORI ALI

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Journal: Journal of Dental Medicine Year:2014 | Volume:27 | Issue:2 Page(s): 99-107

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Title

EVALUATION OF CLASS V COMPOSITE RESTORATIONS MICROLEAKAGE IN PREMOLARS WITH/WITHOUT ELECTRIC CURRENT WHILE APPLYING VARIANT DENTIN BONDINGS

Author(s)

DORRI NARGES | KAVIANI AZITA | NOORI ALI | Issue Writer Certificate

Keywords

DENTAL BONDING; COMPOSITE; RESTORATIONQ2

Abstract

Background and Aims: Composites success in preventing microleakage of range between composite and tooth need desirable bonding material for proper sealing. The purpose of this study was to evaluate class V composite restorations microleakage in premolars with/without electric current while applying variant dentin bonding in vitro.Materials and Methods: 120 non-carious human premolars were used for this study and Standardized class v cavities were prepared. The tooth roots were cut the by discs at a distance of 5 mm from CEJ and pulp tissue was removed. The teeth were divided into six groups of 20. In the first group, electric current was applied, Single bond (3M ESPE, St Paul, MN, USA) with a broom motion attached to the cathode and a sponge containing bonding was used as anode. The used current was 15 mA and the Single bond in the second group was used without electricity. Then tow bondings PQ1 (Ultradent, Germany) and Optibond solo plus (Kerr, USA) were used with and without electricity. After adhesive application and curing the bonding agents, cavitis were restored by a composite (Valux Plus. The root ends were sealed by wax and all teeth surfaces, except 1 mm around the restorations were covered with a nail varnish. The specimens were thermocycled for 1000 cycles and were placed in fushin for 24 hours and were then sectioned vertically and examined under a stereomicroscope. Data were scored on a 0-4 scale based on microleakage at the gingival margins and analyzed using Kruskal-Wallis and Mann-whitney test.Results: Based on the results, the extent of microleakage in the groups of electric current was significantly less than the groups without using the electric current (P=0.05). The lowest degree of microleakage was found in PQ1 group, and the greatest difference between the groups with and without electricity was also found in PQ1 group. Single bond and Optibond Solo Plus with electric current showed lower degree microleakge.Conclusion: The result showed that use of electricity during the application of dental adhesives could reduce the extent of microleakage.

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APA: Copy

DORRI, NARGES, KAVIANI, AZITA, & NOORI, ALI. (2014). EVALUATION OF CLASS V COMPOSITE RESTORATIONS MICROLEAKAGE IN PREMOLARS WITH/WITHOUT ELECTRIC CURRENT WHILE APPLYING VARIANT DENTIN BONDINGS. JOURNAL OF DENTAL MEDICINE, 27(2), 99-107. SID. https://sid.ir/paper/25166/en

Vancouver: Copy

DORRI NARGES, KAVIANI AZITA, NOORI ALI. EVALUATION OF CLASS V COMPOSITE RESTORATIONS MICROLEAKAGE IN PREMOLARS WITH/WITHOUT ELECTRIC CURRENT WHILE APPLYING VARIANT DENTIN BONDINGS. JOURNAL OF DENTAL MEDICINE[Internet]. 2014;27(2):99-107. Available from: https://sid.ir/paper/25166/en

IEEE: Copy

NARGES DORRI, AZITA KAVIANI, and ALI NOORI, “EVALUATION OF CLASS V COMPOSITE RESTORATIONS MICROLEAKAGE IN PREMOLARS WITH/WITHOUT ELECTRIC CURRENT WHILE APPLYING VARIANT DENTIN BONDINGS,” JOURNAL OF DENTAL MEDICINE, vol. 27, no. 2, pp. 99–107, 2014, [Online]. Available: https://sid.ir/paper/25166/en

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