Table 1.
Retzius periodicity in humans
| Sk | RP in days | |
|---|---|---|
| Udm2 | UM1 | |
| 27a | 4–5 | |
| 102 | 6 | 7 |
| 178 | 9 | 10 |
| 665 | 7 | 10 |
| 671 | 10 | 8 |
Sk, Skeletal number.
Tooth types: Udm2, upper second deciduous molar; UM1, upper first permanent molar.
a
Hypoplastic.
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