Table 2 Comparison of prevalence of tooth displacement, buccal and lingual crossbite, and overjet in thalassemic and normal children
From: Prevalence of malocclusion and assessment of treatment needs in β-thalassemia major children
Tooth displacement | Buccal crossbite | Lingual crossbite | Overjet | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1–2 | 3–4 | 5–6 | 7–8 | >9 | Single tooth (%) | Total prevalence (%) | Single tooth (%) | Total prevalence (%) | 1 | 2–4 | 5–6 | 7–8 | >9 | |
Thalassemic children | 8 | 30 | 42 | 10 | 10 | 17 | 20 | 17 | 21 | 0 | 48 | 32 | 14 | 6 |
Normal children | 30 | 18 | 8 | 5 | 2 | 2 | 3 | 3 | 4 | 4 | 83 | 8 | 4 | 1 |