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Table 3 Mean micro-shear bond strength (μSBS; MPa) of resin composites according to the irradiation distance

From: Influence of irradiation distance on the mechanical performances of resin composites polymerized with high-irradiance light curing units

Resin composite

Irradiation distance (mm)

0

2

4

8

Z3P

29.95 ± 4.63a,A

29.81 ± 4.32a,A

26.51 ± 3.69a,A

20.93 ± 3.93b,A

Z3F

28.37 ± 5.7a,A

28.1 ± 4.38a,A

24.39 ± 4.73a,b,A

21.64 ± 2.67b,A

SDR

26.68 ± 4.91a,A

26.11 ± 4.69a,A

25.36 ± 4.91a,A

21.44 ± 4.0b,A

  1. Different superscript lowercase letters in the same row indicate a significant difference according to the irradiation distance (p < 0.05). Different superscript uppercase letters in the same column indicate a statistically significant difference between composite resins at the same irradiation distance (p < 0.05)