The Effect of Thermal Tempering on Fracture Resistance and Surface characterization of Lithium Disilicate and Zirconia Reinforced Lithium Silicate Crowns
Abstract:Statement of problem:The manufacturer of newly introduced pressable ceramic claimed that the strength can be increased by subjecting the material to a thermal tempering cycle at 9% below pressing temperature after its pressing. However, the effect of this thermal tempering protocol on the fracture resistance of different heat-pressed glass ceramics is still not known.Purpose: This in-vitro study aimed to investigate the effect of thermal tempering on the fracture resistance and microstructural features of two … Show more
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