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Mesiodistal crown widths (CW) of mandibular permanent 1st molars (millimeters)
| Patient | Age | Gender | Mandibula1st Molars | |
|---|---|---|---|---|
| #19 | #30 | |||
|
|
||||
| 1 | 17y8m | M | 16 | 13 |
| 2 | 12y2m | F | 11 | 13 |
| 3 | 10y1m | M | 13 | 14 |
| 4 | 9y10m | M | 12 | 12 |
| 5 | 9y5m | M | 12 | 12 |
| 6 | 8y7m | F | 12 | 13 |
| 7 | 8y | M | 13 | 14 |
| 8 | 6y11m | F | 14 | 12 |
| 9 | 6y10m | M | 13 | 11 |
| 10 | 5y8m | F | 11 | 13 |
| 11 | 5y | F | 12 | 11 |
| Mean | 12.6 | 12.5 | ||
