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. Author manuscript; available in PMC: 2019 Jun 1.
Published in final edited form as: J Dent. 2018 Apr 6;73:50–56. doi: 10.1016/j.jdent.2018.04.002

Figure 3.

Figure 3

SEM images of fracture surfaces. Figures ‘A’, ‘C’ and ‘E’ represent the control group; figures ‘B’, ‘D’ and ‘F’ represent a sample of porcelain bonded to a RC formulated with oligomer P_AL. Blue arrows (in Figures ‘A’ and ‘B’) indicate the compression curl; yellow arrows (Figures ‘C’-‘F’) indicate the fracture origin; red arrows (in Figures ‘E’ and ‘F’) indicate wake hackles.