PiezoBrush®PZ3
Ceramic CAD/CAM materials
Micro shear bond strength
Zirconia
Lithium disilicate
Cerasmart
Surface roughness
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Objectives: This study aimed to evaluate and compare the effect of plasma treatment versus
conventional treatment on the micro shear bond strength (μSBS), surface roughness, and wettability
of three different CAD/CAM materials.
Materials and methods: Sixty cylindrical specimens (5 mm diameter ×3 mm height) were prepared
from three different CAD/CAM materials: Group A: Zirconia, Group B: Lithium disilicate, and
Group C: Resin nano-ceramic. Each group was subdivided into two subgroups according to surface
treatment used: Subgroup I: Conventional treatment, zirconia was sandblasted with Al2O3,
while lithium disilicate and resin nano-ceramic were etched with hydrofluoric acid. Subgroup II:
Plasma treatment, the surface of each material was tr
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