The Effect of Various Types of Mechanical and Chemical Preconditioning on the Shear Bond Strength of Orthodontic Brackets on Zirconia Restorations

Table 5

Comparison of shear bond strengths (mean ± standard deviation) by sandblasting and primer, thermocycling groups (MPa).

	Primers	No thermocycling	Thermocycling
Al2O3	Silane
	ZPP
	SBU
CoJet	Silane
	ZPP
	SBU

Different superscripts denote significant differences between groups not sharing the same superscript ().