Improving Surface Properties of PEEK for Dental Applications by Using Piranha Solution

Table 6

One-way ANOVA test of wettability contact angle test.

Tests	Within groups			Between groups
	Sum of squares	df	Mean square	Sum of squares	df	Mean square	F	Sig.
Water contact angle test	399.8139	20	19.99069	759.3411	4	189.8353	9.496	0.000 (HS)