Push-Out Bond Strength of Calcium Silicate-Based Cements in the Presence or Absence of a Smear Layer

Figure 3

SEM images of root canal dentin surfaces that were filled with; (a) MTA, (b) Biodentine, and (c) TotalFill FS, with a smear layer preserved (left side, with smear layer) and after removal of smear layer (right side, without smear layer).