Table 3 Weight of Apically Extruded Debris in Milligrams (mean ± standard deviation) and Time Used for Instrumentation in seconds.

From: Microcomputed tomographic analysis of the efficiency of two retreatment techniques in removing root canal filling materials from mandibular incisors

Group

R-PTN-CL

O-PTN-CL

R-PTN- MNiTiH

O-PTN- MNiTiH

T1 (reach the working length) (s)

263.00 ± 22.72

268.50 ± 23.11

256.67 ± 15.63

279.67 ± 27.95

T2 (Total operating time) (s)

396.50 ± 29.45

520.00 ± 36.33

433.33 ± 24.33

525.83 ± 22.02

extruded debris (mg)

3.7 ± 1.8a

4.2 ± 1.6a

1.58 ± 1.0b

1.6 ± 0.7b

  1. Different superscript letters indicate statistical difference (P < 0.05).
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