Loading…
Comparative evaluation of instrumentation timing and cleaning efficacy in extracted primary molars using manual and NiTi rotary technique – Invitro study
AbstractAimTo compare the timing of instrumentation and cleaning efficacy between manual K files and NiTi rotary files in extracted primary molars.Study designin-vitro study was conducted in 90 root canals of extracted primary molars which were subdivided in three groups viz. Control (No instrumenta...
Saved in:
Published in: | Journal of oral biology and craniofacial research (Amsterdam) 2019-04, Vol.9 (2), p.151-155 |
---|---|
Main Authors: | , , , , , |
Format: | Article |
Language: | English |
Subjects: | |
Citations: | Items that this one cites Items that cite this one |
Online Access: | Get full text |
Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
Summary: | AbstractAimTo compare the timing of instrumentation and cleaning efficacy between manual K files and NiTi rotary files in extracted primary molars.Study designin-vitro study was conducted in 90 root canals of extracted primary molars which were subdivided in three groups viz. Control (No instrumentation), Manual (K files), Rotary (ProFiles) with 30 canals in each group. Mesiobuccal (MB) and Mesiolingual (ML) canals of mandibular molars, and MB and Distobuccal (DB) canals of maxillary molars were included in the test group whereas Distal canals in mandibular molars and Palatal canals in maxillary molars were included in the control group.MethodTeeth were mounted and canals were injected with India ink to stain the canal walls. Canal preparation was done as per the group. After instrumentation, teeth were demounted, decalcified and cleared to make them transparent for scoring according to the extent of removal of India ink. Timing of instrumentation and cleaning efficacy of canals in coronal, middle and apical thirds were assessed in each sample.ResultsMean timing of instrumentation in rotary group was 3.54 ± 1.14 min and 4.32 ± 1.04 min in manual group. Mean cleaning efficacy scores in manual and rotary groups were 2.03 and 1.66 in coronal third, 1.08 and 1.18 in middle third and 0.67 and 1.08 in apical third respectively. Inter-group comparisons showed no statistically significant difference in cleaning efficacy among test groups in all thirds of root canals.ConclusionNiTi rotary technique has comparable cleaning efficacy, with significantly less timing of instrumentation compared to manual K-files. |
---|---|
ISSN: | 2212-4268 2212-4276 |
DOI: | 10.1016/j.jobcr.2019.03.003 |