Chemicomechanical caries removal in primary molars: Evaluation of shear bond strength of modified glass ionomer restorations
An in vitro study
Keywords:
papacarie duo, silver modified glass ionomer, resin-modified glass ionomer cement, shear bond strengthAbstract
The recent trend in pediatric dentistry is tending towards minimal invasive materials and techniques. Aim: To evaluate and compare shear bond strength of three modified glass ionomer restorations (GIRs) to dentin of primary molars after removal of caries via Papacarie Duo (a Chemicomechanical caries removal material CMCR). Materials and methods: 45 deciduous molars with occlusal carious cavity Samples were randomly divided into three groups, i.e., groups I , II , III and were restored with Riva silver glass ionomer , light cure (LC) Riva glass ionomer , and Riva bulk fill hybrid glass ionomer respectively. Shear bond strength was determined. Results: It was found that the shear bond strength was highest in group III treated with Papacarie restored with Riva bulk fill hybrid glass ionomer (11.32± 3.15) MPa, followed by group II treated with papacarie restored with light cured glass ionomer riva (5.53±3.33), with the lowest value (3.87±1.5) recorded in Gp I treated with papacarie restored with riva silver reinforced glass ionomer. The difference between groups was significant. Conclusion: Bulk fill hybrid glass ionomer was significantly better than Light cure GIC and silver reinforced glass ionomer GIC in terms of shear bond strength.
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