Bulletin of the National Research Centre

Table 1 Push out bond strength results (Mean values ± SDs) as function of chelating agent group type and laser activation

From: The effectiveness of different irrigation strategies with laser activation on the bond strength of MTA as root end filling material: in vitro study

Variable		Laser activation						Statistics
		Without			With			P value
		Mean ± SD	95% CI		Mean ± SD	95% CI
			Low	High		Low	High
Chelating agent	HEBP	5.203 ± 0.456	4.781	5.625	6.155 ± 1.771	4.517	7.792	0.1312 ns
	EDTA	6.429 ± 0.002	6.427	6.430	6.932 ± 0.429	6.635	7.327	0.021*
Statistics	P value	0.0004*			0.2809 ns

ns: non-significant (p > 0.05)
^*Significant (p < 0.05)

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