Table 1. The analysis of the dental filling number and levels of other heavy metal levels in hair did not shown significant differences between both amalgam groups (total number of amalgams; Pooled; n = 42); >4 (n = 15) or <4 (n = 27), as compared to controls (n = 13).

(p>0.05) ns	Control	<4	>4	Amalgam
Sn	0.098 ± 0.025	0.69 ± 0.38	0.87 ± 0.57	0.75 ± 0.31
Ni	0.012 ± 0.025	0.0543 ± 0.038	0.51 ± 0.18	0.2 ± 0.067
Ti	0.446 ± 0.047	0.49 ± 0.071	0.394 ± 0.036	0.45 ± 0.047
Pb	0.93 ± 0.26	1.08 ± 0.2	0.48 ± 0.17	0.89 ± 0.14
Cd	0.013 ± 0.003	0.017 ± 0.005	0.19 ± 0.012	0.67 ± 0.0032

There were no differences for Sn, Ni, Bi, Ti. Pb, Cd or either (data not shown: Sb, Be, Bi, Tl, Th, U; μg/g).p>0.05: n.s (Sb, Be, Bi, TI, Th, U); (p>0.05; n.s; data not shown