A comparative evaluation of microleakage of restorations using silorane-based dental composite and methacrylate-based dental composites in Class II cavities: An
| Autor: | Jambai Sampath Kumar Sivakumar, Ranganathan Ajay, Krishnamoorthy Santham, Anjaneya Shiva Prasad, N Ragavendran, Saravanapriyan Soundappan |
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| Rok vydání: | 2016 |
| Předmět: |
Molar
Dental composite Materials science Composite number lcsh:Analytical chemistry lcsh:RS1-441 Dentistry microleakage Bioengineering Composite Methacrylate General Biochemistry Genetics and Molecular Biology Comparative evaluation lcsh:Pharmacy and materia medica 03 medical and health sciences 0302 clinical medicine Stereo microscope In vitro study 030212 general & internal medicine Original Research Article General Pharmacology Toxicology and Pharmaceutics Composite material lcsh:QD71-142 polymerization shrinkage business.industry methacrylate 030206 dentistry silorane business Gingival margin |
| Zdroj: | Journal of Pharmacy & Bioallied Sciences Journal of Pharmacy and Bioallied Sciences, Vol 8, Iss 5, Pp 81-85 (2016) |
| ISSN: | 0976-4879 |
| Popis: | Aim: The aim of this in vitro study was to evaluate and compare the microleakage of restorations using low shrinkage silorane-based dental composite and methacrylate-based dental composites in Class II cavity at the occlusal and gingival margins. Materials and Methods: Sixty mandibular molars were collected and divided into three experimental groups and one negative control group. Class II slot cavity was prepared on the mesial surface. Experimental groups were restored with Group I: silorane-based microhybrid composite, Group II: methacrylate-based nanohybrid composite, and Group III: Methacrylate-based microhybrid composite, respectively. Group IV: negative control. The samples were thermocycled, root apices were sealed with sticky wax and coated with nail varnish except 1 mm around the restoration. This was followed by immersion in 2% Rhodamine-B dye solution under vacuum at room temperature for 24 h. Then, the samples were sectioned longitudinally in the mesiodistal direction and evaluated under stereomicroscope ×40 magnification. Scoring was done according to the depth of dye penetration in to the cavity. Statistical analysis of the data was done. Results: The results were that no statistically significant difference in the microleakage at the occlusal margin for all the restorative materials, whereas at the gingival margin, silorane-based microhybrid composite showed less microleakage than the methacrylate-based nano- and micro-hybrid composites. Conclusion: In general, silorane-based microhybrid composite had less microleakage among the other materials used in this in vitro study. |
| Databáze: | OpenAIRE |
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