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Abdelrahman, M., Mahmoud, E., Ghoneim, M., Kammar, A. (2016). COMPARATIVE STUDY OF MICROLEAKAGE AND SHEAR BOND STRENGTH BETWEEN BULK FILL AND SELF ADHESIVE FLOWABLE COMPOSITE RESINS. Alexandria Dental Journal, 41(3), 322-327. doi: 10.21608/adjalexu.2016.58047
Mohamed H. Abdelrahman; Elsayed M. Mahmoud; Mona M. Ghoneim; Adel A. Kammar. "COMPARATIVE STUDY OF MICROLEAKAGE AND SHEAR BOND STRENGTH BETWEEN BULK FILL AND SELF ADHESIVE FLOWABLE COMPOSITE RESINS". Alexandria Dental Journal, 41, 3, 2016, 322-327. doi: 10.21608/adjalexu.2016.58047
Abdelrahman, M., Mahmoud, E., Ghoneim, M., Kammar, A. (2016). 'COMPARATIVE STUDY OF MICROLEAKAGE AND SHEAR BOND STRENGTH BETWEEN BULK FILL AND SELF ADHESIVE FLOWABLE COMPOSITE RESINS', Alexandria Dental Journal, 41(3), pp. 322-327. doi: 10.21608/adjalexu.2016.58047
Abdelrahman, M., Mahmoud, E., Ghoneim, M., Kammar, A. COMPARATIVE STUDY OF MICROLEAKAGE AND SHEAR BOND STRENGTH BETWEEN BULK FILL AND SELF ADHESIVE FLOWABLE COMPOSITE RESINS. Alexandria Dental Journal, 2016; 41(3): 322-327. doi: 10.21608/adjalexu.2016.58047

COMPARATIVE STUDY OF MICROLEAKAGE AND SHEAR BOND STRENGTH BETWEEN BULK FILL AND SELF ADHESIVE FLOWABLE COMPOSITE RESINS

Article 16, Volume 41, Issue 3, December 2016, Page 322-327  XML PDF (850.72 K)
Document Type: Original Article
DOI: 10.21608/adjalexu.2016.58047
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Authors
Mohamed H. Abdelrahman1; Elsayed M. Mahmoud2; Mona M. Ghoneim3; Adel A. Kammar4
1Instructor at Conservative Dentistry Department, Faculty of Dentistry, Alexandria University, Alexandria, Egypt
2Professor of Operative Dentistry, Faculty of Dentistry, Alexandria University, Alexandria, Egypt
3Assistant Professor of Operative Dentistry, Faculty of Dentistry, Alexandria University, Alexandria, Egypt.
4Professor of Dental Material, Faculty of Dentistry, Alexandria University. Alexandria, Egypt
Abstract
INTRODUCTION: Advances in flowable composites including self-adhesive and bulk fill flowable composite resin have been introduced for time saving and better adaptation. OBJECTIVES: was to compare the microleakage and shear bond strength of Self-adhesive& Bulk fill flowable composite resins. MATERIAL AND METHODS: A total of forty non carious extracted human molars were selected for this study. For microleakage test, twenty Class V cavities were prepared on labial surface. Teeth were divided into 2 groups (n=10), Group I: was treated with self-adhesive flowable composite, Group II: was treated with one step self-etch adhesive system with bulk fill flowable composite. Microleakage scores were evaluated on the occlusal and cervical walls and data was analyzed statistically. For Shear bond strength test, twenty molars were embedded in acrylic resin inside plastic molds; the occlusal portion of each tooth was removed. To standardize the bonding area, cylindrical shaped plastic matrices with 4mm internal diameter and 3mm height were used. Specimens were divided into 2 groups (n=10), Group I: was treated with selfadhesive flowable composite, Group II: was treated with one step self-etch adhesive system with bulk fill flowable composite. Shear bond strength was measured using universal testing machine. RESULTS:The cervical margins showed a non-significant higher mean of microleakage scores than the occlusal margins in the two studied restorative materials. Filtek flowable bulk fill composite showed significantly higher mean of microleakage scores than Vertise flow at both the cervical and occlusal margins. Filtek flowable bulk fill composite showed a significantly higher mean of shear bond strength than Vertise flow. CONCLUSIONS: All of the restorative materials used were unable to prevent microleakage. Filtek flowable bulk fill composite showed more microleakage but higher shear bond strength than Vertise flow
Keywords
Flowable bulks fill composite; Vertise flow; Microleakage; Shear bond strength
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