Histological analysis of the cleaning capacity of nickel-titanium rotary instrumentation with ultrasonic irrigation in root canals

Australian Endodontic Journal : the Journal of the Australian Society of Endodontology Inc
Rafael Brandão FerreiraManoel D Sousa-Neto

Abstract

This study evaluated, histologically and morphometrically, the cleaning capacity of rotary instrumentation in root canals using the Profile system with ultrasonic irrigation. Twelve single-rooted mandibular incisors were divided randomly into three groups according to the irrigation method tested. The canals in the teeth were instrumented using Orifice Shapers, taper 0.6 and 0.4 in the cervical third, and up to a #35 file in the apical third. One per cent sodium hypochlorite was used as the irrigating solution. Group I: canals were irrigated with 5 ml of solution, using a Luer-Lok syringe, between each file. Group 2: canals were irrigated with the solution and instrumented using ultrasound for I min between each file. Group 3: canals were irrigated with 5 ml of solution with Luer-Lok syringe, between each file, and final irrigation using ultrasound for 3 min. After chemo-mechanical preparation, the apical thirds of the teeth were submitted for histological processing. Morphometric analysis was performed using an optical microscope with 40x magnification and a grid. The results showed statistical difference at the 5% level between the methods used for irrigation. Rotary instrumentation with Profile system NiTi files and ultrason...Continue Reading

References

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Citations

Jan 1, 1968·Oral Surgery, Oral Medicine, and Oral Pathology·J H Gutiérrez, J Garciá
Apr 1, 1970·Oral Surgery, Oral Medicine, and Oral Pathology·M ShihS Rosen
Jun 2, 2009·Journal of Endodontics·Li-sha GuFranklin R Tay
Nov 26, 2008·Journal of Endodontics·Karla C RingFranklin Garcia-Godoy
Aug 16, 2015·Journal of Endodontics·Brandi MolinaMehrzad Khakpour
Aug 24, 2011·Brazilian Oral Research·Renato InterlicheManoel Damião de Sousa-Neto
May 3, 2014·Restorative Dentistry & Endodontics·Marcilene Coelho VinhorteLucas da Fonseca Roberti Garcia
Jan 5, 2007·Australian Endodontic Journal : the Journal of the Australian Society of Endodontology Inc·Jarbas Gonçalves Passarinho-NetoManoel D Sousa-Neto
Oct 30, 2018·The Open Dentistry Journal·Massimo AmatoGiuseppe Lo Giudice
May 29, 2013·International Endodontic Journal·C UngerechtsI Fristad
May 13, 2020·Dentistry Journal·Michael C C Tse, Gary S P Cheung
Jan 5, 2021·Frontiers in Genetics·Torsten SterzenbachMarie-Theres Weber

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