Effect of Surface Treatment with Alkaline Agents at Two Different Temperatures on Microshear Bond Strength of Zirconia to Composite Resin

Table 2

Mean μSBS (MPa) of the study groups ( each).

Group	Definition	Mean (SD); Microshear bond strength (MPa)
1	NaOH+ heat	17.94 (±1.10)
2	NaOH	17.4 (±1.34)
3	Zr(OH)4+ heat	22.00 (±1.72)
4	Zr(OH)4	21.67 (±1.81)
5	Control	11.64 (±1.57)

SD: standard deviation.