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. 2017 Nov 10;47(2):20170174. doi: 10.1259/dmfr.20170174

Table 2.

Comparison of mode of the number, meanandstandarddeviationofwidth and depth of voids by two observer, for each obturation type using two different methods of analysis.

    Number of voids Width Depth
Obturation technique N Mode Mean (SD) obs 1 Mean (SD) obs 2 Mean (SD) obs 1 Mean (SD) obs 2  
  μCT  
LC 15 2b 0.11b(±0.09) 0.12b(±0,1) 0.37b(±0.27) 0.4b(±0,33)  
SC 15 1b 0.10b(±0.13) 0.08b(±0.09) 0.13b(±0.14) 0.14b(±0.15)  
TMC 15 0b 0.09b(±0.25) 0.13b(±0.29) 0.16b(±0.22) 0.16b(±0.22)  
pa   0.011 0.027 0.005  
OCT
LC 15 1b 0.13b(±0.17) 0.14b(±0.18) 0.04b(±0.05) 0.3b(±0.05)  
SC 15 0b 0.00b(±0.02) 0.00b(±0.01) 0.00b(±0.01) 0.01b(±0.04)  
TMC 15 0b 0.04b(±0.17) 0.04b(±0.18) 0.00b(±0.00) 0.00b(±0.00)  
pa   0.002 0.006 0.001  

LC,lateral condensation;SC,single cone; TMC,thermomechanical compaction.

aKruskal–Wallis’ test.

bPairwise comparison using Mann–Whitney’s test, with Bonferroni penalty (p < 0.01).