Comparative evaluation of internal fit and marginal gap of endocrowns using lithium disilicate and polyether ether ketone materials - an in vitro study

Table 1 Descriptive statistics and comparison of marginal gap and internal fit (µm)

		Mean	95% Confidence Interval for Mean		Min	Max	F	P
		Mean	Lower Bound	Upper Bound	Min	Max	F	P
Internal fit	PF	104 ± 19a	91	121	92	148	6.036	< 0.001
	PP	100 ± 8a	93	108	86	117
	LF	127 ± 14b	116	139	104	147
	LP	112 ± 10ab	104	121	97	128
Marginal gap	PF	87 ± 23ab	67	107	62	134	11.450	< 0.001
	PP	64 ± 11b	55	74	45	82
	LF	109 ± 14c	98	122	90	134
	LP	98 ± 11ac	89	109	85	117

ISSN: 1472-6831