Research Article

Quantitative Assessment of Apically Extruded Debris after Single-Files Supplemental Retreatment considering Apical Patency Influence: In Vitro Study

Table 2

The mean ± SD values of debris extruded by each supplementary retreatment files (gm).

GroupsTRNWOGXPFR

Group I0.00228 ± 0.00048b0.00391 ± 0.0003c0.00139 ± 0.00017d
Group II0.00235 ± 0.00036b0.00363 ± 0.00053c0.00127 ± 0.0004d

The mean values with different superscript letters are statistically different.