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Harsukh Educational Charitable Society International Journal of Community Health and Medical Research

Volume 3 Issue 2 April-June 2017

Original Articles

Comparative analysis of extrusion of debris and irrigants from the apical foramen using hand and rotary system
Vaibhav Jain

Background:The purpose of combining instrumentation and irrigation is to disinfect the root canal by removing microorganisms, pulp remnants and dentin chips, but debris may extrude through the apex into the peri-radicular tissues. The aim of present study was to compare the extrusion of debris and irrigants through apical foramen using hand and rotary systems. Materials and methods: For the study, we selected a total of 60 freshly extracted human maxillary canines with complete root formation. For the study, we grouped the sample equally into 4 groups for instrumentation with different techniques; Group 1- Instrumentation of the teeth sample was carried out with step-back technique; Group 2-The teeth in this group were instrumented with a Hand Protaper; Group 3- The teeth were instrumented with K-3 Rotary Ni-Ti Technique; Group 4- the instrumentation of teeth in this group was carried out with a Rotary Protaper. Results: More debris and irrigant was extruded from the apex with hand instrumentation techniques (Step-back and Hand Protaper techniques) as compared to engine driven K-3 and Rotary Protaper systems. The extrusion of debris and irrigant was observed to be highest with step-back technique. The authors observed statistically significant difference between the step-back technique and other hand and rotary Ni-Ti instrumentation techniques. Conclusion: The extrusion of debris and irrigants from apical area is present in all the techniques but is greatest in hand K-files instrumentation with step-back technique. Keywords: Apical, Irrigant, Protaper, Root canal

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