No | Subjects | Place | Tooth Type | Element | Levels (ppm)/ (µg/g ± SD) | Method | Ref. |
1 | Children 5 - 7 yr old | Non-urban | DT | Cd | 0.028 ± 2.5 | AAS | [5] |
Urban | 0.03 ± 2.63 | ||||||
2 | Normal subjects |
| PT | As | 0.060 | NAA | [22] |
3 | Children | North Carolina | Incisors-DT | F
| 792 ± 402 | Ion specific electrode | [19] |
molars-DT | 768 ± 489 | ||||||
4 | Healthy Children | Southern Poland | DT | Mn Fe Cu Cr | 4.39 ± 3.72 51.0 ± 23.9 4.62 8.97 ± 1.94 | AAS | [24] |
5 | Children | Dalmatia & Novigrad, Yugoslavia | Enamel of caries free teeth | V | 3.7 ± 1.5 ng∙g−1 | NAA | [25] |
6 | Adults | Finland | PT | Ni | 0.9 ± 0.7 pg/g | AAS | [21] |
7 | Children of 5 to 12 yr | Jordan | DT | Cd Cu Fe Zn | 0.55 6.23 34.72 128.21 | ICP | [9] |
8 | Women | Kyoto | Enamels of molar teeth (PT) | Hg Cu Zn | 1.7 ± 0.2 ng/g 0.9 ± 1.1 150 ± 24.6 | ICP-MS | [13] |
9 | 6-yr-olds children
9-yr-old children
| Finland | DT incisors
DT canines
| Zn Sr Zn Sr | 150 ± 29 63 ± 18 142 ± 22 85 ± 13 | PIXE | [11] |
10 | Male and Female children | Merida, Venezuela | Healthy DT | Sr Cu Zn | 38.37 ± 4.82 1.21 ± 0.86 85.33 ± 12.98 | AAS | [6] |
11 | Subjects from high Sr areas
Subjects from low Sr areas | Fort Recovery Delphos
Rochester
| PT | Sr | 564.0 485.5
80.2
| AAS | [26] |