BMC Oral Health

Table 1 Mean and standard deviation of difference of removed resin materials from mesial and distal side

From: Comparison of the canal transportation of ProTaper GOLD, WaveOne GOLD, and TruNatomy in simulated double-curved canals

Level	Instruments
	ProTaper GOLD				WaveOne GOLD				TruNatomy
	Mesial	Distal	Difference	p value	Mesial	Distal	Difference	p value	Mesial	Distal	Difference	p value
1	0.103	0.111	0.040 ± 0.028	0.459	0.109	0.123	0.033 ± 0.025	0.108	0.107	0.115	0.029 ± 0.020	0.380
2 a, c	0.085	0.186	0.108 ± 0.049	0.000*	0.115	0.154	0.041 ± 0.029	0.000*	0.101	0.047 ± 0.141	0.351	0.351
3a, b,c	0.105	0.216	0.110 ± 0.045	0.000*	0.056	0.171	0.056 ± 0.032	0.000*	0.019	0.107	0.019 ± 0.014	0.187
4	0.156	0.194	0.442 ± 0.038	0.001*	0.194	0.162	0.441 ± 0.031	0.003*	0.110	0.116	0.231 ± 0.018	0.328
5 a,b, c	0.248	0.163	0.086 ± 0.042	0.000*	0.268	0.131	0.137 ± 0.049	0.000*	0.131	0.114	0.033 ± 0.029	0.083
6 b, c	0.314	0.151	0.163 ± 0.047	0.000*	0.314	0.134	0.180 ± 0.054	0.000*	0.173	0.112	0.067 ± 0.044	0.000*
7	0.319	0.176	0.143 ± 0.075	0.000*	0.275	0.162	0.115 ± 0.062	0.000*	0.224	0.126	0.105 ± 0.055	0.000*
8	0.306	0.216	0.103 ± 0.067	0.000*	0.276	0.229	0.078 ± 0.053	0.013*	0.243	0.151	0.104 ± 0.056	0.000*
9	0.281	0.254	0.069 ± 0.046	0.144	0.256	0.249	0.067 ± 0.068	0.746	0.241	0.171	0.082 ± 0.054	0.000*

Statistically significant differences for transportation (difference): a between PTG and WOG, b between WOG and TRN c between PTG and TRN (p < 0.05)
*Statistically significant difference when comparing the amount of removed resin in mesial and distal walls (p < 0.05)

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