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Progress in Orthodontics

Table 2 Transverse interpremolar and intermolar widths

From: Possible causal relationships between competitive swimming in growing age and three-dimensional dentoalveolar development

Variable

Swimmers

Non-swimmers

P(Student's t test)

Interpremolar width

Mean ± SD (mm)

30.7 ± 2.1

30.2 ± 3.0

NS

Range (mm)

26 to 37

23 to 36

 

Intermolar width

Mean ± SD (mm)

47.9 ± 3.6

47.4 ± 3.6

NS

Range (mm)

40 to 59

38 to 55

 
  1. SD, standard deviation; NS, not significantly different.
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