Research Article
Malocclusion in Elementary School Children in Beirut: Severity and Related Social/Behavioral Factors
Table 3
Percentage distribution of malocclusion characteristics in public and private school children.
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Measures | School type | value* | Public () | Private () |
| Overjet (%) | | | | 1-2 [ideal] | 27.4 | 36.3 | 0.022 | 3-4 [mild] | 46.2 | 45.0 | >4 [mod-sev] | 26.4 | 18.7 | Mean OJ (mm) | 3.71 ± 1.77 | 3.41 ± 1.7 | 0.032 | Anterior crossbite (%) | | | | 0 [mild] | 5.23 | 0.9 | 0.008 | −1 to −2 [moderate] | 5.5 | 6.6 | −3 to −4 [severe] | 0.3 | 0.9 | <−4 [extreme] | 0.0 | 0.0 | Occlusion** (%) | | | | I | 72.93 | 77.57 | 0.002 | II | 23.69 | 16.96 | III | 3.38 | 5.45 | Midline diastema (>2 mm) | 16.1 | 10.5 | 0.036 |
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Chi-square. Cl I, Cl II, and Cl III classified based on OJ (ideal: 1–4; >4: Cl II; reverse overjet: Cl III).
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