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Table 1 Bivariate analysis of the associations between desire for orthodontic treatment and types of malocclusion using the chi-square test

From: Factors associated with the desire for orthodontic treatment among Brazilian adolescents and their parents

 

Desire for orthodontic treatment

 

No n (%)

Yes n (%)

P value

Malocclusion

   

   Absent

71 (34.6)

134 (65.4)

<0.001C

   Present

15 (7.6)

182 (92.4)

 

Missing tooth

   

   None

87 (22.4)

302 (77.6)

0.047F

   One or more

0 (0.0)

14 (100.0)

 

Anterior open bite

   

   < 2 mm

84 (22.8)

284 (77.2)

0.050C

   > 2 mm

3 (8.6)

32 (91.4)

 

Crowding

   

   Without crowding

51 (36.7)

88 (63.3)

 

   One crowded segment

28 (19.9)

113 (80.1)

<0.001C

   Two crowded segments

8 (6.5)

115 (93.5)

 

Upper anterior crowding

   

   < 2 mm

70 (32.3)

147 (67.7)

<0.001C

   > 2 mm

17 (9.1)

169 (90.9)

 

Lower anterior crowding

   

   < 2 mm

46 (29.7)

109 (70.3)

0.002C

   > 2 mm

41 (16.5)

207 (83.5)

 

Anterior segment spacing

   

   None

70 (22.4)

243 (77.6)

0.480C

   One or two segments

17 (18.9)

73 (81.1)

 

Median diastema

   

   < 2 mm

79 (21.9)

281 (78.1)

0.615C

   > 2 mm

8 (18.6)

35 (81.4)

 

Anterior maxillary overjet

   

   < 4 mm

81 (25.4)

238 (74.6)

<0.001C

   > 4 mm

6 (7.1)

78 (92.9)

 

Anterior mandibular overjet

   

   No

85 (22.3)

297 (77.7)

0.273F

   Yes

2 (9.5)

19 (90.5)

 

Molar relation

   

   Normal

68 (27.0)

184 (73.0)

0.002 C

   Half cuspid

17 (12.2)

122 (87.8)

 

   One cuspid

1 (9.1)

10 (90.9)

 
  1. C Chi-square test
  2. F Fisher exact test