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Table 1 Demographic data of the sample and the distribution of the molar classes and the arch forms

From: Is arch form influenced by sagittal molar relationship or Bolton tooth-size discrepancy?

Age (year)

Mean ± SD

17.26 ± 6.47

Range

9.6-58.6

Gender

Male

109 (47.4 %)

  

Female

121 (52.6 %)

  
  

Male

Female

Total

Molar Classification

Class I

57 (24.8 %)

75 (32.6 %)

132 (57.4 %)

Class II

15 (6.5 %)

15 (6.5 %)

30 (13 %)

Class III

14 (6.1 %)

11 (4.8 %)

25 (10.9 %)

Asymmetric

23 (10 %)

20 (8.7 %)

43 (18.7 %)

  

p = 0.493*

 
  

Male

Female

Total

Arch Form

Square

27 (11.7 %)

37 (16.1 %)

64 (27.8 %)

Ovoid

45 (19.6 %)

42 (18.3 %)

87 (37.8 %)

Tapered

37 (16.1 %)

42 (18.3 %)

79 (34.3 %)

  

p = 0.507*

 
  1. *Chi-square test: not statistically significant. Data presented as n (%)