A. Mixing more powder to the liquid B. Mixing powder to liquid, checked by water C. Slower addition of powder to liquid D. Faster addition of powder to liquid
A. The reduction in enamel solubility due to fluoride uptake by enamel B. That beryllium flux is used in silicates C. That silicates show very little leakage at the margins of the restoration D. Due to the high silica content