Table 3.
Parental Concern Percentages (for 11-year-olds) by Permanent Maxillary Incisor Fluorosis and Opacity Status (9 years old)
| Concern | N* (%) | Fluorosis status at 9 ys old (%) | P-value† | Opacity status at 9 ys old (%) |
P-value‡ | |||
|---|---|---|---|---|---|---|---|---|
| None (N=133) |
Questionable (N=106) |
Case (N=137) |
None (N=309) |
Case (N=67) |
||||
| Shape | 51 (14) | 13 | 9 | 18 | .06 | 13 | 15 | .70 |
| Color | 167 (44) | 40 | 48 | 46 | .67 | 46 | 39 | .35 |
| Alignment | 181 (48) | 47 | 43 | 53 | .20 | 46 | 60 | <.05 |
| Spacing | 89 (24) | 20 | 25 | 27 | .26 | 21 | 36 | .02 |
| Crowding | 127 (34) | 34 | 31 | 36 | .58 | 33 | 36 | .78 |
| Color irregularities | 97 (26) | 16 | 23 | 38 | <.001 | 24 | 36 | <.05 |
| Other | 17 (5) | 4 | 4 | 6 | .44 | 5 | 3 | .75 |
*
Parents were asked to mark all that applied.
†
Tests fluorosis case vs questionable/none
‡
Fisher’s exact test