Journal of Conservative Dentistry
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Year : 2014  |  Volume : 17  |  Issue : 2  |  Page : 138-141

Comparative evaluation of the canal curvature modifications after instrumentation with One Shape rotary and Wave One reciprocating files

1 Departments of Conservative Dentistry & Endodontics, D.J College of Dental Sciences & Research, Modinagar, Ghaziabad, Uttar Pradesh, India
2 Departments of Conservative Dentistry & Endodontics, I.T.S. Dental College, Greater Noida, Uttar Pradesh, India

Correspondence Address:
Anil Dhingra
B-3, New Multan Nagar, New Delhi - 110 056
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0972-0707.128049

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Aims: This study compared the canal curvature modifications after instrumentation with One Shape (Micro Mega) rotary file and Wave One primary reciprocating file (Dentsply Maillefer, Ballaigues, Switzerland). Materials and Methods: Thirty International Organization for Standardization 15, 0.02 taper, Endo Training Blocks (Dentsply Maillefer) were used. In all specimens working length (WL) was established at the reference point 0. Glide path was achieved with Path-File 1, 2 and 3 (Dentsply Maillefer) at the WL. Group 1 were shaped with One Shape file and group 2 with Wave One files. Pre and post-digital images were superimposed, processed with Corel draw Graphic Suite X5 (Corel Corporation, Ottawa, Canada), Adobe Photoshop CS3 (Adobe Systems Inc., San Jose, CA) and Solid works student Edition software (Dassault Systems Solid Works Corp, S.A., Velizy, France). Statistical Analysis: It was done with mean, standard deviation, one-way ANOVA, (P < 0.05) t-test and Karl Pearson's correlation coefficient. Results: Mean was more for Wave One compared with One Shape. One-way ANOVA and t-test showed a significant difference between One Shape and Wave One at 5% level of significance (P < 0.05). Conclusions: Canals prepared with Wave One file preserved canal shape, respected the anatomical shape of J-shaped canal and produced a continuously tapered funnel.

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