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Table 1 Comparison of prevalence of Class I, Class II, and Class III malocclusion in thalassemic and normal children

From: Prevalence of malocclusion and assessment of treatment needs in β-thalassemia major children

 

Angle’s Class I Dewey’s modification

Angle’s Class II

Angle’s Class III

Class I type 1 (%)

Class I type 2 (%)

Class 1 type 3 (%)

Class I type 4 (%)

Class I type 5 (%)

Bimax (%)

Spacing (%)

Total (%)

Class II Div 1 (%)

Class II Div 2 (%)

Class II subDiv 1 (%)

Class II subDiv 2 (%)

Total (%)

Type 1 (%)

Type 2 (%)

Type 3 (%)

Total (%)

Thalassemic children

25

8

0

2

0

5

4

44

34

5

15

1

55

0

0

1

1

Normal children

69

9

0.4

0.9

0.59

8

12

82.2

6

3.69

4

2

15.69

0.6

0.49

0.4

1.49