Dental examination globally and by village
| Total (n=440) | Droum (n=110) | Guidimouni (n=110) | Guidiguir (n=110) | Wacha (n=110) | p Value* | |
| Mean number of teeth examined (±SD, median) | 17.6 (±1.5, 18) | 17.7 (±1.2, 18) | 17.6 (±1.4, 18) | 17.6 (±1.5, 18) | 17.4 (±1.8, 18) | 0.840 |
| Mean number of decayed teeth (±SD, median) | 0.5 (±1.4, 0) | 0.7 (±1.6, 0) | 0.5 (±1.5, 0) | 0.4 (±1.5, 0) | 0.3 (±0.9, 0) | 0.208 |
| Number of decayed teeth, n (%) | 0.097 | |||||
| None | 369 (83.9) | 83 (75.5) | 93 (84.6) | 99 (90.0) | 94 (85.5) | |
| 1–2 | 39 (8.9) | 16 (14.5) | 7 (6.4) | 4 (3.6) | 12 (10.9) | |
| 3–4 | 18 (4.1) | 7 (6.4) | 6 (5.4) | 3 (2.7) | 2 (1.8) | |
| ≥5 | 14 (3.2) | 4 (3.6) | 4 (3.6) | 4 (3.6) | 2 (1.8) | |
| Mean PI on all teeth (±SD, median) | 1.1 (±0.4, 1) | 1.1 (±0.4, 1) | 1.1 (±0.3, 1) | 1.0 (±0.3, 1) | 1.1 (±0.3, 1) | 0.0483 |
| Mean number of sites with PI>1 (±SD, median) | 6.5 (±12.7, 0) | 10.2 (±16.2, 0.5) | 5.9 (±10.9, 0) | 4.1 (±9.8, 0) | 5.9 (±12.2, 0) | 0.0079 |
| Mean GI on all teeth (±SD, median) | 1.1 (±0.2, 1) | 1.1 (±0.3, 1.1) | 1.0 (±0.2, 1) | 1.0 (±0.2, 1) | 1.0 (±0.3, 1) | <0.001 |
| Mean number of sites with GI>1 (±SD, median) | 4.9 (±9.2, 0) | 7.9 (±11.8, 4) | 3.7 (±7.8, 0) | 3.9 (±7.7, 0) | 4.1 (±8.3, 0) | <0.001 |
| Number of children with ANG | 17 (3.9) | 10 (9.1) | 5 (4.69) | 0 (0) | 2 (1.8) | 0.002 |
| Number of children with spontaneous bleeding | 9 (2.1) | 5 (4.6) | 3 (2.7) | 0 (0) | 1 (0.9) | 0.087 |
| Products used for oral hygiene in the child, n (%) | <0.001 | |||||
| Toothbrush | 97 (22.1) | 30 (27.3) | 13 (11.8) | 9 (8.2) | 45 (40.9) | |
| Water | 94 (21.4) | 3 (2.7) | 31 (28.2) | 56 (50.9) | 4 (3.6) | |
| Water and soap | 165 (37.5) | 64 (58.2) | 19 (17.3) | 45 (40.9) | 37 (33.6) | |
| Water and sand | 20 (4.6) | 5 (4.6) | 12 (10.9) | 0 (0) | 3 (2.7) | |
| Water and coal | 19 (4.3) | 1 (0.9) | 14 (12.7) | 0 (0) | 4 (3.6) | |
| Other products/combinations | 45 (10.2) | 7 (6.4) | 21 (19.1) | 0 (0) | 17 (15.5) | |
| Past gingival pain, n (%) | 16 (3.6) | 7 (6.4) | 6 (5.5) | 3 (2.7) | 0 (0) | 0.051 |
| Past gingival bleeding, n (%) | 15 (3.4) | 7 (6.4) | 6 (5.5) | 2 (1.8) | 0 (0) | 0.02 |
| Past gingival lesion, n (%) | 7 (1.6) | 6 (5.5) | 1 (0.9) | 0 (0) | 0 (0) | 0.003 |
| Type of past gingival lesion, n (%) | – | |||||
| Ulceration | 1 (11.1) | 0 (0) | 1 (100.0) | 0 (0) | 0 (0) | |
| Gingivitis | 8 (88.9) | 6 (100.0) | 0 (0) | 0 (0) | 0 (0) |
*Kruskal-Wallis test,
ANG, acute necrotising gingivitis; GI, gingival index; PI, plaque index.