The Influence of No-Primer Adhesives and Anchor Pylons Bracket Bases on Shear Bond Strength of Orthodontic Brackets

Table 1

Composition (wt%) of the three different adhesives tested.

Adhesive	Resin	Filler	Additional contents
Transbond XT	Bisphenol A diglycidyl ether dimethacrylate; (10–20 wt%); Bisphenol A bis(2-hydroxyethyl ether) dimethacrylate; (5–10 wt%)	Silane-treated quartz; (70–80 wt%)	Dichlorodimethylsilane reaction product with silica; (<2 wt%)
Ortho Cem	Bisphenol A diglycidyl ether methacrylate (Bis-GMA); (25–35 wt%); Triethylene glicol dimethacrylate (TEGDMA); (10–15 wt%); Methacrylated phosphate monomer; (>2 wt%)	Silane treated silicon dioxide; (45–60 wt%)	Camphorquinone; (<1 wt%); Sodium fluoride; (>1 wt%)
Heliosit	Bis-GMA and decanediol dimethacrylate (85 wt%)	Highly dispersed silicon dioxide (14 wt%)	Catalysts and stabilizers (1 wt%)