[Table/Fig-11]:
Number and percentage of subjects with enamel opacities or hypoplasia by condition and by number of teeth affected.
| Location and Age | Normal | Demarcated Opacity | Diffuse Opacity | Hypolpasia | Not Recorded | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| No | % | No | % | No | % | No | % | No | % | ||
| U | 5 yrs | 21 | 19.4 | 23 | 21.3 | 03 | 2.7 | 03 | 2.7 | 58 | 53.7 |
| R | 12 yrs | 48 | 44.4 | 22 | 20.4 | 12 | 11.1 | 23 | 21.3 | 3 | 2.7 |
| B | 15 yrs | 32 | 29.6 | 30 | 27.8 | 15 | 13.9 | 25 | 23.2 | 6 | 5.55 |
| A | 35-44 yrs | 62 | 57.4 | 22 | 20.4 | 19 | 17.6 | 2 | 1.9 | 3 | 2.7 |
| N | 65-74 yrs | 51 | 47.2 | 23 | 21.3 | 18 | 16.6 | 16 | 14.9 | 0 | 0 |
| Total | 214 | 39.6 | 120 | 22.2 | 67 | 12.4 | 69 | 12.7 | 70 | 12.9 | |
| R | 5 yrs | 15 | 27.7 | 11 | 20.4 | 4 | 7.4 | 1 | 1.9 | 23 | 42.6 |
| U | 12 yrs | 18 | 33.3 | 18 | 33.3 | 9 | 16.6 | 8 | 14.9 | 1 | 1.9 |
| R | 15 yrs | 31 | 57.4 | 11 | 20.4 | 6 | 11.1 | 5 | 9.3 | 1 | 1.9 |
| A | 35-44 yrs | 19 | 35.2 | 7 | 12.9 | 22 | 40.7 | 6 | 11.1 | 0 | 0 |
| L | 65-74 yrs | 20 | 37 | 17 | 31.5 | 13 | 24 | 2 | 3.7 | 2 | 3.7 |
| Total | 103 | 38.1 | 64 | 23.7 | 54 | 20 | 22 | 8.15 | 27 | 10 | |
| Grand Total | 317 | 39.1 | 184 | 22.7 | 121 | 14.9 | 91 | 11.2 | 97 | 11.93 | |
| Chi Square Test is used, p value comes out to be - | |||||||||||
| Comparison of enamel opacities or hypoplasia in rural and urban subjects. | |||||||||||
| Demarcated Opacity | 1.2 | ||||||||||
| Diffuse Opacity | 0.02* | ||||||||||
| Hypolpasia | 0.32 | ||||||||||
* Statistically significant (p<0.05)