Modifications in Canal Anatomy of Curved Canals of Mandibular First Molars by two Glide Path Instruments using CBCT

Modifications in Canal Anatomy of Curved Canals of Mandibular First Molars by two Glide Path Instruments using CBCT

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Background: The creation of glide path reduces the risk of instrument breakage.Glide path is created before using NiTi rotary instrumentation Aim: This study compared the changes in the root canal anatomy after creation of glide path using Path Files (PF) and V Glide Path 2 (VGP2) using Cone Beam Computed Tomography (CBCT).Materials and Methods: Hundred extracted mandibular first molars with curved mesial roots, curvature angles ranging within 20-30 degrees were assigned into two Military Helicopter Kit groups (n = 50 each).

Glide path was prepared using PF (Group I) and VGP2 (Group II).CBCT images were obtained before and after instrumentation.The technical outcomes were compared at 0, 1, 2, 3, 5 and 7mm intervals.

The data was analyzed using t-test and Chi-square test.Result: There was a statistical difference between the root canal curvatures and working time between the two Toy groups (p 0.05).

The changes in the volume were statistically significant only at 2mm interval (p 0.05).Conclusion: Within the limits of this study the rotary Nickel Titanium Path Files appeared to be suitable instruments for safe and easy creation of glide path.