Table 2 Caries of the first permanent molar and use of pit and fissure sealant
From: Oral health status of students with visual or hearing impairments in Northeast China
School | Variables | Gender | Age (years) | Level | Total | |||
|---|---|---|---|---|---|---|---|---|
M | F | 6–12 | 13–30 | Low | Serious | |||
Visual impairment | Numbers of students | 71(60.17%) | 47(39.83%) | 28(23.73%) | 90(76.27%) | 7(5.93%) | 111(94.07%) | 118 |
Number of first permanent molar | 280(60.46%) | 183(39.52%) | 103(22.25%) | 360(77.75%) | 24(5.18%) | 439(94.81%) | 463 | |
Number of students with caries of the first permanent molar | 35(56.45%) | 27(43.55%) | 11(17.74%) | 51(82.26%) | 3(4.84%) | 59(95.16%) | 62 | |
Prevalence of caries of the first permanent molar (%) | 49.30% | 57.45% | 39.29% | 56.67% | 42.86% | 53.15% | 52.54% | |
Number of caries of the first permanent molar | 84(57.93%) | 61(42.07%) | 30(20.69%) | 115(79.31%) | 6(4.14%) | 139(95.86%) | 145 | |
Mean number of caries of the first permanent molar | 1.08 ± 1.36 | 1.43 ± 1.50 | 1.04 ± 1.50 | 1.28 ± 1.40 | 1.00 ± 1.10 | 1.24 ± 1.44 | 1.22 ± 1.42 | |
Hearing impairment | Numbers of students | 29(51.79%) | 27(48.21%) | 7(12.50%) | 49(87.50%) | 4(7.14%) | 52(92.86%) | 56 |
Number of first permanent molar | 116(51.79%) | 108(48.21%) | 28(12.50%) | 196(87.50%) | 16(7.14%) | 208(92.86%) | 224 | |
Number of students with caries of the first permanent molar | 16(57.14%) | 12(42.86%) | 4(14.29%) | 24(85.71%) | 2(7.14%) | 26(92.86%) | 28 | |
Prevalence of caries of the first permanent molar (%) | 55.17% | 44.44% | 57.14% | 48.98% | 50.00% | 50.00% | 50.00% | |
Number of caries of the first permanent molar | 36(53.73%) | 31(46.27%) | 10(14.92%) | 57(85.07%) | 6(8.96%) | 61(91.04%) | 67 | |
Mean number of caries of the first permanent molar | 1.31 ± 1.47 | 1.11 ± 1.55 | 1.29 ± 1.38 | 1.20 ± 1.52 | 1.50 ± 1.91 | 1.19 ± 1.48 | 1.21 ± 1.50 | |