Table 1.

Three-dimensional analysis of MB canals after use of two different single-file systems

Volume (mm 3 )	WaveOne	One Shape
Original	1.93±0.85	1.66±0.64
Mean (SD) of increase	4.86±0.15*	4.05±0.77*
Mean (SD) of increase (%)	204.78±166.18	175.14±116.95
Surface Area (mm 2 )
Original	19.97±6.00	18.42±3.80
Mean (SD) of increase	29.16±0.86*	25.28±3.21*
Mean (SD) of increase (%)	56.49±48.21	41.56±30.68
SMI
Original	2.31±0.26	2.17±0.20
Mean (SD) of increase	2.74±0.14*	2.90±0.09*
Mean (SD) of increase (%)	19.39±8.40	34.91±12.05

^* Intragroup significant differences