UV-Mediated Photofunctionalization of Indirect Restorative Materials Enhances Bonding to a Resin-Based Luting Agent

Table 2

Mean(SD) (°) of the contact angle (Ɵ) according to the carbon adsorption condition and UV-mediated photofunctionalization time.

Material	Surface condition	UV-mediated photofunctionalization time			Significance (; )
		0 min	5 min	15 min
YZr	Noncarbon-adsorbed	34.2 (2.4)^aA	32.8 (2.8)^aA	34.1 (2.4)^aA	7400.55; <0.001; 256.27; <0.001; 261.95; <0.001
	Carbon-adsorbed	97.9 (2.7)^aB	86.8 (3.9)^bB	66.1 (3.9)^cB
LDS	Noncarbon-adsorbed	5.1 (1.3)^aA	5.3 (1.3)^aA	5.0 (1.5)^aA	2732.23; <0.001; 21.70; <0.001; 19.70; <0.001
	Carbon-adsorbed	32.3 (3.6)^aB	29.1 (2.7)^bB	25.1 (3.1)^cB
Pd-Au	Noncarbon-adsorbed	57.3 (2.3)^aA	57.2 (2.4)^aA	54.9 (4.1)^aA	1190.10; <0.001; 108.90; <0.001; 66.66; <0.001
	Carbon-adsorbed	87.5 (4.2)^aB	80.6 (4.4)^bB	67.3 (2.3)^cB