Research Article

[Retracted] Influence of the Physical Inclusion of ZrO2/TiO2 Nanoparticles on Physical, Mechanical, and Morphological Characteristics of PMMA-Based Interim Restorative Material

Figure 7

Scanning electron microscopy (SEM) images of fractured surface: (a) pristine PMMA, (b) 0.5-TiO2, (c) 1.5-TiO2, (d) 3.0-TiO2, (e) 0.5-ZrO2, (f) 1.5-ZrO2, and (g) 3.0-ZrO2.