pH changes of self-etching primers mixed with powdered dentine
Maedaa T et al. - The baseline pH values of the self-etching primers ranged from 1.83 to 2.34, with Mac Bond II exhibiting a significantly lower value than the other three products. After mixing with the dentine powder, the pH values significantly increased, ranging from 6.95 to 7.37 at 600 s after mixing; there were no significant differences in these values among the self-etching primers used. An insoluble precipitate was formed in the case of Clearfil SE Bond, indicating a chemical reaction between the functional monomer and the dentine powder. [more...]
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