Table 4.

Statistical evaluation of three parameters for the clinical evaluation of restorations.

Clinical Finding	Group	6 Months (N = 60)			9 Months (N = 60)			12 Months (N = 59)
		Mean	S.D.	p Value	Mean	S.D.	p Value	Mean	S.D.	p Value
Marginal integrity	Group1	1.8333	0.59209	0.831	2.1667	0.59209	0.316	2.3448	0.72091	0.511
	Group2	1.8000	0.61026		2.033	0.41384		2.2333	0.56832
Proximal contact	Group1	1.8667	0.57135	0.001	2.1667	0.46113	0.001	2.3103	0.60376	0.001
	Group2	1.0333	0.18257		1.0667	0.25371		1.0667	0.25371
Gingival health	Group1	1.0667	0.25371	0.001	1.0667	0.25371	0.001	1.0345	0.18570	0.001
	Group2	1.7333	0.52083		2.1333	0.62881		2.6333	0.49013

Test applied: Independent sample t-test.