Potassium fluoride,anhydrous
           Potassium fluoride,extra pure
           Potassium fluoride,Granular
           Silicon Dioxide
           Hydrofluoric acid
           Synthetic Cryolite
           Potassium Fluoaluminate
           Ammonium bifluoride
           Potassium Bifluoride
           Aluminium fluoride
           Sodium fluoride
           Potassium Fluorosilicate
           Fluorosilicic Acid
           Sodium silicofluoride
           Potassium Hydroxide Flakes
           Magnesium Fluoride
           Magnesium fluorosilicate
           Barium Fluoride
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More studies focusing on an optimum heat application process considering both the temperature and duration for different silane types on different ceramics is needed. So far, the typical conditioning method using hydrofluoric acid cannot be eliminated when water-based MPS silane is used, with or without heat treatment, for the luting process. As for the repair of ceramics, Hydrofluoric acid etching is still indicated, as the temperature needed for heat treatment is harmful to dental and oral soft tissues. Here we focus on study Hydrofluoric acid etching.

From this study, the following can be concluded:  Heat treatment procedures for the pre-hydrolyzed silane (RelyX Ceramic Primer) either in a furnace or with the application of hot air did not increase bond strength of resin cement, Panavia F2.0, to feld-spathic ceramic. Thus, these procedures cannot re-place hydrofluoric acid gel followed by silanization for the adhesion of resin cement to this ceramic. Furnace heat treatment demonstrated considerably higher bond results than did hot air application. More frequent pre-test failures were also observed with hot air application. 

From the perspective of chemical thermodynamics and physical structure analysis of the hydrofluoric acid can corrode glass, can form acid salts with weak acid and different from other acid.