Evaluation of Efficacy of Various Surface Conditioning Methods on the Repair Bond Strength of Composite to Different Fracture Types of Zirconia Ceramics

Figure 2

SEM images of the specimens after the surface treatments at a magnification of 5000x. (a) Zirconia-control (Group I-Subgroup I). (b) Zirconia-sandblasting (Group I-Subgroup II). (c) Zirconia-long-pulse laser (Group I-Subgroup III). (d) Zirconia-short-pulse laser (Group I-Subgroup IV). (e) Ceramic-control (Group II-Subgroup I). (f) Ceramic-sandblasting (Group II-Subgroup II). (g) Ceramic-long-pulse laser (Group II-Subgroup III). (h) Ceramic-short pulse laser (Group II-Subgroup IV). (i) Zirconia/ceramic-control (Group III-Subgroup I). (j) Zirconia/ceramic-sandblasting (Group III-Subgroup II). (k) Zirconia/ceramic-long-pulse laser (Group III-Subgroup III). (l) Zirconia/ceramic-short-pulse laser (Group III-Subgroup IV).

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