[Table/Fig-6]:

Descriptive statistics of cervical dentin thickness in all the three file systems WaveOne, oneshape, reciproc

Cervical area		N	Mean	Std. Deviation	Std. Error	95% Confidence Interval for Mean
						Lower Bound	Upper Bound
9 mm	WO	20	0.7480	0.16888	0.03776	0.6690	0.8270
	R	20	0.7925	0.14264	0.03190	0.7257	0.8593
	O	20	1.2975	0.14889	0.03329	1.2278	1.3672
	Total	60	0.9460	0.29332	0.03787	0.8702	1.0218
11 mm	WO	20	0.7930	0.19410	0.04340	0.7022	0.8838
	R	20	0.8625	0.11872	0.02655	0.8069	0.9181
	O	20	1.3910	0.08735	0.01953	1.3501	1.4319
	Total	60	1.0155	0.30272	0.03908	0.9373	1.0937
12 mm	WO	20	0.7115	0.16365	0.03659	0.6349	0.7881
	R	20	0.7895	0.10797	0.02414	0.7390	0.8400
	O	20	1.3455	0.13851	0.03097	1.2807	1.4103
	Total	60	0.9488	0.31558	0.04074	0.8673	1.0304

*WO=Waveone, R=reciproc, O=oneshape