Table 7 Comparison of dental arch dimensions with Ross-Powell’s study.

From: Evaluation of dental arch dimensions in 12 year-old Vietnamese children - A cross-sectional study of 4565 subjects

 

Variable (mm)

Our study (2017)

Ross-Powell20

P

n

Mean

SEM

n

Mean

SEM

Female

UCW

2137

35.61

2.45

25

36.70

2.80

***

LCW

2137

26.93

2.33

26

28.,60

1.9

***

UAL

2137

8.94

2.37

25

11.10

1.90

***

LAL

2137

6.25

2.32

25

4.80

1.30

***

Male

UCW

2428

36.37

2.34

23

36.90

2.30

**

LCW

2428

27.65

2.4

25

28.40

2.10

***

UAL

2428

9.72

2.45

23

11.10

1.7

***

LAL

2428

6.5

2.3

25

5.,3

1.5

***

  1. P was calculated using student t test; NS: Not significant, *P < 0.05, **p < 0.01, ***P < 0.001.
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