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. 2019 Apr 13;7(7):1193–1197. doi: 10.3889/oamjms.2019.287

Table 1.

Mean and standard deviation (SD) for Strain for different tested groups

		Material								p-value
		M-M		M-P		P-P		P-M
		Mean	SD	Mean	SD	Mean	SD	Mean	SD
Strain	Mesial	182.50^b	6.45	100.00^a	4.08	23.75^d	4.79	25.00^c	4.08	≤0.001^*
	Buccal	305.00^a	4.08	352.50^b	6.45	102.50^c	6.45	162.50^b	6.45	≤0.001^*
	Distal	230.00^a	4.08	1013.75^d	11.09	407.50^c	6.45	417.50^b	6.45	≤0.001^*
	Lingual	138.75^a	4.79	120.00^a	4.08	75.00^b	4.08	115.00^a	4.08	≤0.001^*
	Ridge	632.50^a	6.45	227.50^b	6.45	462.50^c	6.45	568.75^b	8.54	≤0.001^*
	Total	297.75	180.86	362.75	346.51	214.25	187.65	257.75	208.25	0.140 NS

^*

= Significant, NS = Non-significant.