Table 3. Changes of NF and ML

	T0	T1	T2	T3
	Mean ± SD	Mean ± SD	Mean ± SD	Mean ± SD
Right NF (mm)	46.40 ± 5.82	45.72 ± 6.04	44.62 ± 6.01	44.50 ± 6.06
Center NF (mm)	45.15 ± 6.32	44.50 ± 6.48	43.92 ± 6.35	43.75 ± 6.31
Right ML (mm)	15.65 ± 4.91	15.17 ± 4.82	14.67 ± 4.91	14.57 ± 4.93
Center ML (mm)	16.10 ± 5.03	15.70 ± 4.87	15.25 ± 4.79	15.17 ± 4.86