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Table 5 Prevalence and distribution of the IOTN of the total sample and within gender

From: Prevalence of malocclusion and assessment of orthodontic treatment needs among Syrian refugee children and adolescents: a cross-sectional study

Index on orthodontic treatment need (DHC)

I-Gender N (%)

  

Males N = 280 (%)

Females N = 326 (%)

Total N (%)

Grades and treatment needs

Grade 1

No need

53 (19.0)

49 (15.0)

102 (16.83)

Grade 2

Little need

41 (15.0)

53 (16.0)

94 (15.51)

Grade 3

Borderline need

81 (29.0)

82 (25.0)

163 (26.90)

Grade 4

Definitive need

88 (31.0)

123 (38.0)

211 (34.82)

Grade 5

17 (6.00)

19 (6.00)

36 (5.94)