Table 2: Mean values (±SD) of shear bond strength (MPa) of the artificial teeth and polymerization methods with or without thermocycling.

TeethWithout thermocyclingWith thermocycling
ConventionalMicrowaveConventionalMicrowave

Premium4.12 (1.08) A,b6.68 (1.17) A,a3.90 (0.76) A,b7.24 (1.80) A,a
Trilux2.74 (0.63) B,b5.61 (0.79) A,a1.78 (0.40) B,b4.46 (1.44) B,a
Soluut4.00 (1.12) A,b6.00 (1.13) A,a3.82 (0.77) A,b5.62 (0.47) AB,a
Biotone4.45 (1.16) A,a5.78 (0.84) A,a4.11 (1.14) A,a5.65 (132) AB,a
Pool mean4.92 (1.59)4.57 (1,89)

Different letters indicate statistically significant difference (): capital letters for comparison between artificial teeth (columns) and small letters for comparison between polymerization methods within each storage method (in rows). Comparison between storage times.