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 3

Surface roughness and topographic images of ZrO2/Trim composites: (a) pristine PMMA, (b) 0.5-ZrO2, (c) 1.5-ZrO2, and (d) 3.0-ZrO2.
(a)
(b)
(c)
(d)