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:: Volume 29, Issue 1 (1-2017) ::
J Islam Dent Assoc Iran 2017, 29(1): 15-20 Back to browse issues page
Comparison of Cleaning Efficacy and Instrumentation Time of Reciproc and Mtwo Rotary Systems in Primary Molars
Kiumars Nazari Moghaddam1, Hamideh Farajian Zadeh2, Nafiseh Farajian Zadeh 3
1- Associate Professor, Department of Endodontics, School of Dentistry, Shahed University, Tehran, Iran
2- Dentistry Pediatrician, Private Office, Tehran, Iran
3- Post graduated Student, Department of Endodontics, School of Dentistry, Shahed University, Tehran, Iran , n.farajian@gmail.com
Abstract:   (1177 Views)
Background and Aim: Pulpectomy of primary teeth is commonly performed with hand files and instruments. However, it is a time consuming procedure. Compared to hand files, rotary instrumentation has more advantages. The purpose of this in vitro study was to compare the cleaning efficacy and time taken for instrumentation of deciduous mo-lars using Reciproc and Mtwo rotary systems.
Materials and Methods: In this experimental study, 96 canals of 28 extracted primary molars with at least two-thirds of intact roots, with no previous treatment and 7-12 mm length were selected. After access cavity preparation, size #15 K-file was introduced into the root canal and India ink was injected with an insulin syringe. Then, 96 samples were randomly divided into two experimental groups and one control group. In group I (n=44), root canals were prepared with Reciproc; in group II (n=44), Mtwo files were used for instrumentation, and in group III, eight samples were considered as negative controls. After clearing and root sectioning, the removal of India ink in the cervical, middle, and apical thirds was scored. Data were analyzed using Student's t-test and Mann-Whitney U test.
Results: There was no significant difference between the experimental groups regarding cleaning efficacy at the apical third of root canals (P>0.05). The coronal and middle thirds scored higher in the Reciproc group (P<0.05). Instrumentation with Reciproc rotary files was significantly less time consuming (P<0.001).
Conclusion: Using new systems such as Reciproc file for pulpectomy of primary teeth is beneficial.
Keywords: Tooth, Deciduous, Pulpectomy, Instrumentation, Root Canal Preparation
Full-Text [PDF 285 kb]   (523 Downloads)    
Type of Study: Orginal | Subject: Endodentics
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Nazari Moghaddam K, Farajian Zadeh H, Farajian Zadeh N. Comparison of Cleaning Efficacy and Instrumentation Time of Reciproc and Mtwo Rotary Systems in Primary Molars. J Islam Dent Assoc Iran. 2017; 29 (1) :15-20
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Volume 29, Issue 1 (1-2017) Back to browse issues page
Journal of Islamic Dental Association of Iran

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