Table 2.
Dental caries prevalence (%) and mean caries experience [decayed, missing and filled teeth indices for primary teeth (dmft) and permanent teeth (DMFT)] of Palestinian schoolchildren 6, 12 and 16 years of age, according to the area of residence in the 2012–2013 scholastic year
| Indicators | Gaza Strip | West Bank | Palestinian Territories |
|---|---|---|---|
| 6 years old (Grade 1) | n = 17,009 | n = 39,346 | N = 56,355 |
| Caries prevalence (%) | 36.1 | 65.5*** | 56.4 |
| dt | 1.09 | 2.64 | 2.17 |
| mt | 0.19 | 0.42 | 0.35 |
| ft | 0.17 | 0.11 | 0.13 |
| dmft | 1.5 | 3.2** | 2.7 |
| 12 years old (Grade 7) | n = 14,000 | n = 42,048 | N = 56,048 |
| Caries prevalence (%) | 26.0 | 47.5* | 42.0 |
| DT | 0.46 | 1.28 | 1.07 |
| MT | 0.04 | 0.12 | 0.10 |
| FT | 0.11 | 0.22 | 0.2 |
| DMFT | 0.6* | 1.6* | 1.37 |
| 16 years old (Grade 10) | n = 29,330 | n = 39,110 | N = 68,440 |
| Caries prevalence (%) | 23.9 | 49.7* | 38.7 |
| DT | 0.57 | 1.58 | 1.15 |
| MT | 0.08 | 0.18 | 0.14 |
| FT | 0.27 | 0.49 | 0.39 |
| DMFT | 0.9* | 2.3* | 1.7 |
dt, mt, ft, index of decayed, missing or filled primary teeth; DT, MT, FT, index of decayed, missing or filled permanent teeth.
*P < 0.01; **P < 0.001; ***P < 0.0001.