Table 2.
Prevalence and severity of dental fluorosis by study area with community fluorosis index values
| Villages (Subjects) | Prevalence | Severity of dental fluorosis n (%) | CFI | ||||||
|---|---|---|---|---|---|---|---|---|---|
| n | % | Normal | Questionable | Very mild | Mild | Moderate* | Severe* | ||
| North Pichavaram (77) | 22 | 28.6 | 55 (71.4) | 19 (24.7) | 3 (3.9) | - | - | - | 0.16 |
| T.S. Pettai (130) | 27 | 20.8 | 103 (79.2) | 16 (12.3) | 8 (6.2) | 2 (1.5) | - | 1 (0.8) | 0.18 |
| South Pichavaram (115) | 29 | 25.2 | 86 (74.8) | 12 (10.4) | 13 (11.3) | 2 (1.7) | - | 2 (1.7) | 0.27 |
| Senjicherry (71) | 26 | 36.6 | 45 (63.4) | 15 (21.1) | 4 (5.6) | 3 (4.2) | 3 (4.2) | 1 (1.4) | 0.43 |
| Kanagarapattu (70) | 32 | 45.7 | 38 (54.3) | 11 (15.7) | 11 (15.7) | 9 (12.9) | 1 (1.4) | - | 0.54 |
| Keezhaperambai (62) | 29 | 46.8 | 33 (53.2) | 9 (14.5) | 14 (22.6) | 3 (4.8) | 3 (4.8) | - | 0.54 |
| Total (525) | 165 | 31.4 | 360 (68.6) | 82 (15.6) | 53 (10.1) | 19 (3.6) | 7 (1.3) | 4 (0.8) | 0.32 |
*
Objectionable dental fluorosis