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Apical debris extrusion by adaptive root canal instrumentation in oval canals: Full-sequence SAF system vs. the XP-endo shaper plus sequence
Pawar A.M., Pawar B.A., Bhardwaj A., , Metzger Z., Kfir A.
Published in MDPI AG
2020
Volume: 10
   
Issue: 16
Abstract
Apical extrusion of debris (AED) by the full sequence of the self-adjusting file (SAF) system was compared with that of the XP-endo shaper plus sequence. Sixty permanent mandibular incisors were randomly assigned to two groups (n = 30) for root canal instrumentation: Group A: Stage 1-pre-SAF OS, pre-SAF 1 and pre-SAF 2 files, followed by Stage 2-1.5 mm SAF; and Group B: Stage 1- hand K-file 15/0.02, followed by Stage 2-XP-endo shaper and Stage 3-XP-endo finisher. The AED produced during instrumentation at each stage was collected in pre-weighed Eppendorf tubes. The weights of AED by the two methods were compared using t tests with significance level set at 5%. Group A produced significantly less total AED than Group B (p < 0.001), with no significant difference in debris extrusion between the two stages (p = 0.3014). Conversely, in Group B, a significant difference was noted between Stage 1 and Stages 2 and 3 (p < 0.01), with no significant difference between Stages 2 and 3 (p = 0.488). Both sequences resulted in measurable amounts of AED. Each phase, in either procedure, made its own contribution to the extrusion of debris. © 2020 by the authors.
About the journal
JournalApplied Sciences (Switzerland)
PublisherMDPI AG
ISSN20763417
Open AccessNo