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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