Table 2

	Males	Females	All cases	P
	Mean (SD)	Mean (SD)	Mean (SD)	P
Right
D1	16.59 (3.25)	14.74 (3.58)	15.65 (3.54)	0.000^a
D2	9.41 (1.65)	8.49 (1.57)	8.95 (1.68)	0.000^a
D3	4.11 (1.43)	4.06 (1.23)	4.09 (1.33)	0.747^b
D4	2.52 (0.84)	2.22 (0.74)	2.37 (0.8)	0.001^a
Left
D1	16.71 (3.24)	14.78 (3.66)	15.73 (3.59)	0.000^a
D2	9.55 (1.65)	8.38 (1.51)	8.96 (1.68)	0.000^a
D3	4.17 (1.42)	4.06 (1.33)	4.11 (1.37)	0.511^b
D4	2.43 (0.83)	2.24 (0.71)	2.33 (0.78)	0.042^a

^aSignificant, independent samples t-test (significance level P < 0.05).
^bNot significant, independent samples t-test (significance level P < 0.05).
D1 = upper distance; D2 = lower distance; D3 = buccal distance; D4 = lingual distance; n = number of cases; SD = standard deviation.