Effects of Two Different Acid Etching and Surface Washing Methods on Bond Strength on Different CAD-CAM Blocks under Aging Protocols

Table 2

Groups in the study.

	Groups
HF + W	Hydrofluoric acid and washing
HF + US	Hydrofluoric acid and ultrasonic washing
HF + PA	Hydrofluoric acid and phosphoric acid
MEP + W	Monobond Etch and Prime and washing
MEP + US	Monobond Etch and Prime and ultrasonic washing
MEP + PA	Monobond Etch and Prime and phosphoric acid