Selected toxic and essential heavy metals in impacted teeth and the surrounding mandibular bones of people exposed to heavy metals in the environment

Table 5 Heavy metal concentrations (μg/g) in the samples provided by women and men living in Bielsko-Biala

	Impacted teeth (n = 33)				Bone surrounding the impacted teeth (n = 33)
Element	Women (n = 23) Median	Men (n = 10) Median	U-value	p - level^*	Women (n = 23) Median	Men (n = 10) Median	U-value	p - level^*
Pb	10.03	11.54	95.50	0.456	4.04	1.78	95.00	0.444
Cd	0.11	0.12	87.50	0.290	0.71	0.50	85.00	0.247
Fe	10.52	8.87	67.50	0.065	14.18	18.92	102.00	0.624
Mn	3.65	3.26	96.50	0.480	1.57	0.99	92.00	0.378
Cr	4.72	6.84	59.50	0.061	1.45	0.99	86.00	0.264
Cu	8.86	8.72	106.50	0.753	7.36	3.98	88.00	0.299
Zn	282.67	306.77	86.50	0.272	162.60	160.36	104.00	0.680

n the number of samples
^* p-levels, estimated using the Mann–Whitney U test, used to identify statistically significant differences between the metal concentrations in the samples provided by women and men

ISSN: 1745-6673