Evaluation of Efficacy of Hand Files and Protaper Retreatment Files in Removal of Gutta-Percha from Teeth Obturated With Lateral Condensation and Thermoplastisized Techniques: An Ex-Vivo Study
Journal Title: International Journal of Medical Science and Innovative Research (IJMSIR) - Year 2017, Vol 2, Issue 3
Abstract
Introduction: Endodontic trends reflect changes in care provided and this is a dramatic change. This vast increase in endodontic is described as the “good news-bad news dilemma”. The good news is that hundreds of millions of teeth are salvaged through the combination of endodontic, periodontics and restorative dentistry. The bad news is that tens of millions of endodontically treated teeth are failing each year for a variety of reasons. Aim: To compare under SEM the efficacy of H-files and Protaper Universal rotary instruments (D1, D2, D3) using solvent in removing the gutta-percha from root canals obturated with either lateral condensation or injectable thermoplastisized techniques. Materials & Methods: This experimental study consisted of 100 extracted human maxillary central incisors that were evaluated under scanning electron microscope for the cleaning efficacy of rotary instruments over hand instruments. The statistical test employed was descriptive statistics and Z test. Conclusion: Rotary files are less effective in the apical third as compared to the H-files in the apical third. H-files are effective for the removal of gutta-percha condensed laterally than the thermoplastic gutta-percha while rotary files are more effective for the removal of thermoplastic gutta-percha than the laterally condensed gutta-percha.
Authors and Affiliations
Dr. Sankalp Verma
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