Tensile Bond Strengths of Two Adhesives on Irradiated and Nonirradiated Human Dentin

Table 1

Adhesive systems reference and composition.

Product name (manufacturer)	Class of adhesive	Composition	Batch number
Optibond FL,; Kerr France, Créteil, France	3-step/etch-and-rinse adhesive	Gel etchant: 37.5% H3PO4, water, and fumed silica; Primer: (Ph = 1.8): HEMA, GPDM, MMEP, water, ethanol, photoinitiator (CQ), and BHT; Adhesive: Bis-GMA, HEMA,; GPDM, GDMA, photoinitiator (CQ), ODmab, and fillers (fumed SiO2, barium aluminoborosilicate, and Na2SiF6)	4995918
Optibond XTR,; Kerr France, Créteil, France	2-step/self-etch adhesive	Primer: (pH = 2.4 before application, reduction in 1.6 to the application in dental structure). Acetone, water, ethanol, HEMA, photoinitiator (CQ), and GPDM; Adhesive: ethanol, HEMA, sodium hexafluorosilicate, MEHQ; nanosilica, barium; photoinitiator (CQ)	5092152

HEMA: 2-hydroxyethyl methacrylate.
GPDM: glycerol dimethacrylate dihydrogen phosphate.
MMEP: mono(2-methacryloyloxy)ethyl phthalate.
CQ: camphorquinone.
BHT: butylated hydroxytoluene.
Bis-GMA: bisphenol A glycidyl methacrylate.
GDMA: glycerol dimethacrylate.
MEHQ: monomethyl ether of hydroquinone.