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ORIGINAL ARTICLE
Year : 2020  |  Volume : 32  |  Issue : 2  |  Page : 91-95

Comparison of diode laser with maleic acid and ethylenediaminetetraacetic acid on smear layer removal from root canals: A scanning electron microscope study


1 Department of Conservative Dentistry and Endodntics, Government Dental College and Hospital, Srinagar, Jammu and Kashmir, India
2 Department of Conservative Dentistry and Endodontics, Government Dental College, Srinagar, Jammu and Kashmir, India

Correspondence Address:
Shahnaz Nabi
Department of Conservative Dentistry and Endodontics, Government Dental College and Hospital, Srinagar, Jammu and Kashmir
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/endo.endo_125_18

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Aim: The aim of the study was to evaluate the effect of diode laser with maleic acid andethylenediaminetetraacetic acid (EDTA) on smear layer removal from root canals. Materials and Methods: A total of 160 mandibular premolars were decoronated to the working length of 12 mm and prepared with ProTaper gold rotary files up to size F3. Group 1 canals were irrigated with 1 ml of 17% EDTA, followed by 3 ml of 3% sodium hypochlorite (NaOCl). Group 2 canals were initially irrigated with 0.8 ml of 17% EDTA, the remaining 0.2 ml was used to fill the root canals, and diode laser application was done. Group 3 canals were irrigated with 1 ml of 7% maleic acid, followed by 3 ml of 3% NaOCl. Group 4 canals were irrigated with 0.8 ml of maleic acid and remaining 0.2 ml was used to fill canal (total 1 ml) and activated by diode laser, followed by 3 ml of 3% NaOCl. Scanning electron microscope examination of the canals was done for the remaining smear layer at the coronal middle and apical third levels. Results: Maleic acid with and without diode laser had the least smear layer scores. Conclusion: Diode laser with maleic acid performed significantly better than EDTA.


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