Table 2.

Mean difference and 95 % CI in the measurements of the treated patients at time points T1, T2, and T3

	Differences between measurements at time-points T1, T2, and T3
	T2–T1	T3–T1	T3–T2
	n = 20	n = 20	n = 20
Inter-canine width
mean, mm	6.4*	4.2*	−2.2*
95 % CI	5.7 to 7.2	3.3 to 5.1	−3.1 to −1.3
Inter-canine arch
mean, mm	10.3*	6.2*	−4.1*
95 % CI	8.6 to 12.1	4.4 to 8.0	−5.8 to −2.4
Inter-molar width
mean, mm	4.8*	4.7*	−0.1
95 % CI	4.2 to 5.4	3.8 to 5.7	−0.9 to 0.7
Inter-molar depth
mean, mm	1.1*	0.8*	−0.4
95 % CI	0.6 to 1.7	0.2 to 1.3	−0.8 to −0.04

*Significant difference