Table 1

	Right		Left
	Mean (SD)	P	Mean (SD)	P
D1 (n = 300)	15.65 (3.54)	0.000^a	15.73 (3.59)	0.000^a
D2 (n = 300)	8.95 (1.68)	0.000^a	8.96 (1.68)	0.000^a
D3 (n = 300)	4,09 (1.33)	0.000^a	4.11 (1.37)	0.000^a
D4 (n = 300)	2.37 (0.8)	0.000^a	2.33 (0.78)	0.000^a

^aSignificant, paired 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.