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Related Experiment Video

Updated: Apr 17, 2026

Three-Dimensional Shape Modeling and Analysis of Brain Structures

Three-Dimensional Shape Modeling and Analysis of Brain Structures

Published on: November 14, 2019

Canal shaping with one shape file and twisted files: a comparative study.

Peddamallu Jitender Reddy¹, Vedati Santosh Kumar², Kumbakonam Aravind³

¹Senior Lecturer, Department of Conservative and Endodontics, Malla Reddy Dental College for Women , Hyderabad, India .

Journal of Clinical and Diagnostic Research : JCDR

|February 6, 2015

Summary

This study compared the shaping ability of OneShape and Twisted Files rotary Nickel-Titanium (Ni-Ti) files in simulated canals. Twisted Files demonstrated superior canal shaping compared to OneShape files.

Keywords:

One shape file Rotary instruments NiTi Shaping ability Twisted files

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Area of Science:

Endodontics
Dental Materials Science

Background:

Nickel-Titanium (Ni-Ti) rotary files are widely used in endodontic treatments.
Optimizing canal preparation is crucial for successful root canal therapy.

Purpose of the Study:

To compare the shaping efficacy of OneShape and Twisted Files in simulated root canals.
To evaluate the ability of these Ni-Ti files to prepare artificial canals effectively.

Main Methods:

Forty endodontic training blocks were divided into two groups (n=20 each).
Shaping ability was assessed by analyzing residual ink stains in simulated canals using Image ProPlus software and a stereomicroscope.
Statistical analysis was performed using SPSS software.

Main Results:

Twisted Files exhibited significantly better shaping ability compared to OneShape files.
Quantitative analysis revealed superior canal preparation with Twisted Files both experimentally and statistically.
Reduced ink residue indicated more comprehensive canal wall preparation by Twisted Files.

Conclusions:

Twisted Files demonstrate superior shaping ability in simulated canals compared to OneShape files.
The findings suggest Twisted Files may offer enhanced canal preparation outcomes in endodontic procedures.
Further clinical studies are warranted to confirm these experimental findings.