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- Title
An evaluation of microleakage under crowns cemented with different luting agents.
- Authors
Shah, Rachana; Shah, Dipti
- Abstract
Objective: Evaluate in vitro the microleakge under crowns cemented with conventional glass ionomer cement, resin - modified glass ionomer cement and adhesive resin cement. Method: Thirty natural extracted molar teeth were prepared to receive full cast crown. They were divided into three groups, each group of teeth luted with conventional glass ionomer cement, resin - modified glass ionomer cement and adhesive resin cement respectively. Samples were stored in tap water for one month and then artificially aged by thermal cycling from 5° - 55° C for 300 cycles with a one minute dwell time in water bath containing 0.5 % aqueous solution of basic fuschin dye. Each tooth was sectioned longitudinally through the restoration either bucco-lingually or mesio-distally. Scoring was done according to the linear penetration of the dye from the external margin of the luting agents with a stereomicroscope at 40 X magnification. Kruskal-Wallis One Way Analysis of Variance (ANOVA) and Mann Whitney U test were used for statistical analysis. Result: Microleakage with all the cements was comparable with no significant difference. The adhesive resin cement showed the least microleakage followed by resin-modified glass ionomer cement and the conventional glass ionomer cement, although insignificant. Conclusion: Adhesive resin cement, amongst all the adhesive cements, had the least microleakage however statistically insignificant.
- Subjects
DENTAL cements; DENTAL adhesives; MOLARS; IONOMER clusters; AQUEOUS solutions; ANALYSIS of variance; DISSECTING microscopes; PHYSIOLOGY
- Publication
Journal of Advanced Oral Research, 2012, Vol 3, Issue 3, p29
- ISSN
2320-2068
- Publication type
Article
- DOI
10.1177/2229411220120305