Table 3.

Inter-element correlation matrix for the concentrations of elements in artificial saliva with immersed fixed orthodontic appliance (n = 30)

Mg	Al	Si	P	S	K	Ca	Ti	V	Mn	Fe	Co	Cu	Zn	Ni	Cr
																Mg
		0.6080														Al
		p = 0.000
				0.6260	0.6955		0.4441	0.4156								Si
				p = 0.000	p = 0.000		p = 0.014	p = 0.022
																P
							0.4845									S
							p = 0.007
						0.5501	0.4636	0.6996	0.4130							K
						p = 0.002	p = 0.010	p = 0.000	p = 0.023
							0.6177	0.4135	0.3806							Ca
							p = 0.000	p = 0.023	p = 0.038
																Ti
									0.3769	0.4747	0.3839	0.4743			0.4014	V
									p = 0.040	p = 0.008	p = 0.036	p = 0.008			p = 0.028
											0.4119	0.6732				Mn
											p = 0.024	p = 0.000
											0.7032	0.5501			0.9440	Fe
											p = 0.000	p = 0.002			p = 0.000
												0.5785		0.5080	0.8145	Co
												p = 0.001		p = 0.004	p = 0.000
															0.5989	Cu
															p = 0.000
																Zn
															0.8580	Ni
															p = 0.000
																Cr