in endo, one of sealer property is to be flowable (or wetability) ,,to enhance this quality we can mix it with a material that have:
a. low surface tension.***
b. high surface tension
Etch enamel and dentine (total etch concept). Wash and remove excess moisture, but do not dry.
Silane acts as an adhesive between the inert filler and the organic matrix.
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Endodontics