. 2020 Jan 27;20(1):83–89. doi: 10.4103/jips.jips_218_19

Table 4.

Comparison of amount of natural enamel wear against polished lithium disilicate crowns (Group 2) with enamel wear against natural antagonist (control group)

Groups	Mean (μm)	SD	SE	Student t-test	P, significance
Enamel wear against polished lithium disilicate crowns (group 2)	40.06	7.03	1.81	2.274	0.031, Significant statistical difference
Enamel wear against natural antagonist (control group)	35.09	4.72	1.22	2.274	0.031, Significant statistical difference

P>0.05: Not significant, P<0.05: Significant, P<0.001: Highly. SD: Standard deviation, SE: Standard error