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Progress in Orthodontics

Table 3 Prevalence of malocclusions in the total sample ( n = 2,617)

From: Prevalence of malocclusions, oral habits and orthodontic treatment need in a 7- to 15-year-old schoolchildren population in Tirana

Malocclusions Number Percentage Confidence interval inferior (%) Confidence interval superior (%)
Class 1 1,058 40.4 37.4 43.4
Class 2 764 29.2 26.0 32.4
Class 3 85 3.2 −0.5 6.9
Asymmetries 710 27.1 23.8 30.4
Total 2,617 100.0 100.0 100.0
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