Research Article

Debris Extrusion Using Reciproc Blue and XP Endo Shaper Systems in Root Canal Retreatment

Table 1

Removal of obturating materials and mean (SD) and median (25th–75th percentile) of the weight of apically extruded debris and preparation time in the tested groups.

SystemRemoval of gutta-perchaRemoval of sealerWeight (in mg)Preparation time (in seconds)
Mean (SD)Median (25th–75th percentile)Mean (SD)Median (25th–75th percentile)

Reciproc Blue2/150/151.1079 (0.3758)1.235 (0.8923–1.8357)54.9 (17.9)56 (39.9–80.7)

XP Shaper8/150/151.0732 (0.3420)1.145 (0.8471–1.8122)22.3 (9.3)18 (15.6–26.7)

Statistical testChi-squareMann–Whitney test

value0.02010.95<0.001