Journal of Conservative Dentistry
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ORIGINAL ARTICLE
Year : 2013  |  Volume : 16  |  Issue : 4  |  Page : 294-299

Confocal laser scanning microscopic investigation of ultrasonic, sonic, and rotary sealer placement techniques


Department of Conservative Dentistry and Endodontics, Subharti Dental College, Meerut, Uttar Pradesh, India

Correspondence Address:
Vineeta Nikhil
Department of Conservative Dentistry and Endodontics, Subharti Dental College, NH-58, Delhi-Haridwar Bypass, Meerut, Uttar Pradesh
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0972-0707.114348

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Background: Sealers are used to attain an impervious seal between the core material and root canal walls. Aim: To compare the depth and percentage of sealer penetration with three different placement techniques using confocal laser scanning microscopy as the evaluative tool. Materials and Methods: Root canals of 30 single-rooted teeth were prepared to a size of F3 and AH plus sealer with Rhodamine B was applied with Ultlrasonic file (Gr-1), lentulospiral (Gr-2), and Endoactivator (Gr-3). Canals were obturated with gutta-percha. The roots were sectioned at the 3 and 6-mm levels from the apical foramen and were examined on a confocal microscope. Results: A statistical significant differences among Gr-1, Gr-2, and Gr-3 were found at the 3 and 6-mm level (P < 0.05; ANOVA-Tukey tests) for the depth and percentage of sealer penetration except for Gr-1 and Gr-2 at 3-mm level. Gr-1 showed maximum mean depth of penetration (810 μm) and maximum mean percentage of sealer penetration (64.5) while Gr-3 showed minimum mean depth of penetration (112.7 μm) and minimum mean percentage of sealer penetration (26.7). Conclusion: Depth and percentage of penetration of sealer is influenced by the type of placement technique and by the root canal level with penetration decreasing apically.


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