Table 3. Mean shear bond strength and standard deviation of all groups tested (Unit: MPa).

	V	VA	D	E
C	18.84 ± 4.38	-	19.31 ± 5.16	10.17 ± 4.34
P	19.61 ± 3.07	19.57 ± 3.97	21.80 ± 3.00	16.90 ± 3.48
V$	19.79 ± 2.41	19.85 ± 3.13	14.35 ± 4.56	17.20 ± 3.46

V: VITA MFT®, VA: air abraded VITA MFT®, D: Duracross Physio®, E: Endura Posterio®, C: conventional heat-polymerizing resin, P: PMMA Block - pink pre-polymerized resin block, V^$: Vipi Block - Pink pre-polymerized resin block.