Table 4.

Max phase angle for BGN/PMMA/SS and SS samples after different immersion time.

Sample	Time (days)	Max Phase Angle (grade)
BGN/PMMA/SS	0	68.14
	3	58.53	53.41
	7	61.46	41.15
	14	59.80	53.76
	21	60.55	54.14
	28	65.60
SS	0	65.68
	14	63.53
	21	66.00	47.39
	28	65.02	37.52
	40	65.68	41.65
	50	66.16	48.23