Table 3 Comparison of Naia’s interdental widths with other reported populations.

Upper arch

Maxillary intercanine width

33.87

36.04*

36.1*

37.73*

38.78*

33.9

33.56

34

33.59^{^}

32.66

32.15

33.71

Maxillary first premolar width I

38.16

39.9

39.46

39.9

39.93^{^}

38.68

40.35*

Maxillary first premolar width II

32.33

36.39*

34.28*

Maxillary second premolar width I

46.55

44.32

43.46

44.68*

Maxillary second premolar width II

40.41

38.97*

Maxillary intermolar width I

50.55

53.54*

53.34*

53.67*

56.2*

51.9

50

52.1

50.95^{^}

49.03

49.21*

Maxillary intermolar width II

45.88

45.5

44.28

44.16

43.42*

Lower arch

Mandibular intercanine width

26.36

27.55

27.56

28.14*

29.08*

27.9

26.8

27.9

29.08^{^}

25.45

24.11*

26.02*

Mandibular first premolar width I

33.94

34.7

34.58

34.8

38.34^{^}

31.95

33.79

Mandibular first premolar width II

29.52

29.91

30.57*

Mandibular intermolar width I

44.93

45.23

45.32

45.26

47.65*

46.2

43.7

46.8

49.98^{^}

42.52

43.67*

Mandibular intermolar width II

41.48

41.17

39.22

39.51*