Role of CO₂ Laser on SBS between Dental Porcelain and Composite Resin Repair Process

Figure 12

microscopic pictures of failure modes with magnification power 2x; (a) adhesive failure, (b) mixed failure, (c) cohesive failure with in the composite, and (d) cohesive failure with in porcelain.

(a)

(b)

(c)

(d)