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Case Report
The Effect of Heat Application on Microhardness of Glass Ionomer Cement and on Pulp Temperature-What to Use in the Clinic
Author(s): Michal Malul and Uri ZilbermanMichal Malul and Uri Zilberman
Abstract Objectives: To examine the effect of energy application on microhardness of glass-ionomer cement (GIC), and the effect of the temperature applied on pulp temperature, in vitro and in vivo.
Methods: Discs of EQUIA (GC Co. Japan) were examined for microhardness using Vickers indentations after heat application of 50 or 60oC for 30 or 60 seconds using light curing devices or a specific heating device, and compared to self setting GIC. The measurements were performed after 30, 60 minutes and after 5 days. Heat was applied to GIC occlusal restorations in deciduous and permanent teeth both in vitro and in vivo and the effect on pulp temperature was measured using a thermo-coupling device.
Results: The best microhardness results were observed using a specific heating device at 50oC for 30 or 60 seconds, and the d.. Read More»
DOI:
10.4172/2471-8726.1000105
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