Journal of Conservative Dentistry
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ORIGINAL ARTICLE
Year : 2017  |  Volume : 20  |  Issue : 2  |  Page : 68-71

A cone-beam computed tomography assessment of the efficacy of different irrigation devices for removal of silicone oil-based calcium hydroxide from root canal system


Department of Conservative Dentistry and Endodontics, Goa Dental College and Hospital, Bambolim, Goa, India

Correspondence Address:
Pradeep Kumar
G/121, Boys Hostel, Goa Dental College and Hospital, Bambolim - 403 202, Goa
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0972-0707.212245

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Background: Most often used intracanal medicament is calcium hydroxide (Ca(OH)2). Removal of Ca(OH)2before obturation is mandatory. Different irrigation solutions and devices were tested in the previous study for this purpose. Aim: The aim of this study was to evaluate the comparative efficacy of different irrigation techniques in removing intracanal medicament using cone-beam computed tomography (CBCT). Materials and Methods: Cleaning and shaping was carried out in 42 freshly extracted single-rooted mandibular first premolars using Protaper Rotary Files. Intracanal medicament (silicone oil-based Ca(OH)2paste) was placed and left for 2 weeks in the root canal. Medicament was then removed by five different irrigation techniques: EndoActivator, EndoVac, ultrasonic irrigation with Endo-U-File, F-file, and Max-i-Probe needle. Changes in volume percentage were measured using CBCT and results were statistically analyzed using Levene's statistics and ANOVA. Results: Remnants of Ca(OH)2were found in all experimental groups. No significant difference was detected among the groups. F-file showed maximum removal efficacy of approximately 48%. Conclusion: (1) There is no statistically significant difference between any irrigation technique for removal of oil-based Ca(OH)2. (2) F-file demonstrated better results among all the other systems.


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