Table 2.
Average concentration of chromium in hard tissues of impacted teeth (μg/g).
| Tissue | Enamel | Dentin | Total | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Place of residence | Concentration (μg/g) |
SD | α = 0.05 | Concentration (μg/g) |
SD | α = 0.05 | Concentration (μg/g) |
SD | α = 0.05 |
| Urban | 0.510 | 0.188 | p > 0.05 | 0.640 | 0.1723 | p > 0.05 | 0.575 | 0.180 | p > 0.05 |
| Rural | 0.510 | 0.188 | 0.640 | 0.1723 | 0.575 | 0.180 | |||