Determination of sodium hypochlorite concentrations in the activation of the irrigant by passive technique with ultrasonic, during the ex vivo endodontic protocol.

ABSTRACT: Introduction: Sodium hypochlorite and ultrasonic activation have a synergistic and improving effect on canal disinfection. Some authors found irrigant decrease after activation with ultrasonic, while others described an increased concentration in later stages. The aim of this study was to...

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Autores principales:	Pirela,Carmen María, Maggiolo,Silvana, Yévenes,Ismael
Lenguaje:	English
Publicado:	Sociedad de Periodoncia de Chile 2020
Materias:	Ultrasonics Sodium hypochlorite Spectrophotometry ultraviolet Endodontics Root canal therapy Root canal Irrigants
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S2452-55882020000300132
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spelling	oai:scielo:S2452-558820200003001322021-01-12Determination of sodium hypochlorite concentrations in the activation of the irrigant by passive technique with ultrasonic, during the ex vivo endodontic protocol.Pirela,Carmen MaríaMaggiolo,SilvanaYévenes,Ismael Ultrasonics Sodium hypochlorite Spectrophotometry ultraviolet Endodontics Root canal therapy Root canal Irrigants ABSTRACT: Introduction: Sodium hypochlorite and ultrasonic activation have a synergistic and improving effect on canal disinfection. Some authors found irrigant decrease after activation with ultrasonic, while others described an increased concentration in later stages. The aim of this study was to determine if activation of sodium hypochlorite by passive ultrasonic irrigation reduces its concentration compared to a technique without activation. Materials and methods: A ex-vivo descriptive study was conducted with teeth, randomized into two groups: 10 controls and 20 experimental. The hypochlorite of groups undergoing endodontic treatment was collected, and the post-irrigation residual with saline was gathered. The activation by ultrasonic was performed in stage 4.5 with Ultrasonic Scaler NSK®, three cycles of 20 seconds each per tooth. Irrigant concentration was measured by spectrophotometry. Results. In the first 4 stages, there were no concentration differences between groups. Stage 4.5 demonstrated a significant difference between the treated and control group. At saline irrigation stages, there was only a significant difference in stage E5. When activation was performed, the sodium hypochlorite curve maintained concentration values close to 5% in more stages in comparison to the control group. Conclusions: Passive ultrasonic activation demonstrated higher significant concentration of sodium hypochlorite, compared to a technique without activation.info:eu-repo/semantics/openAccessSociedad de Periodoncia de ChileSociedad de Implantología Oral de ChileSociedad de Prótesis y Rehabilitación Oral de ChileSociedad Chilena de Odontopediatría y Sociedad de Ortodoncia de Chile International journal of interdisciplinary dentistry v.13 n.3 20202020-12-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S2452-55882020000300132en10.4067/S2452-55882020000300132
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Ultrasonics Sodium hypochlorite Spectrophotometry ultraviolet Endodontics Root canal therapy Root canal Irrigants
spellingShingle	Ultrasonics Sodium hypochlorite Spectrophotometry ultraviolet Endodontics Root canal therapy Root canal Irrigants Pirela,Carmen María Maggiolo,Silvana Yévenes,Ismael Determination of sodium hypochlorite concentrations in the activation of the irrigant by passive technique with ultrasonic, during the ex vivo endodontic protocol.
description	ABSTRACT: Introduction: Sodium hypochlorite and ultrasonic activation have a synergistic and improving effect on canal disinfection. Some authors found irrigant decrease after activation with ultrasonic, while others described an increased concentration in later stages. The aim of this study was to determine if activation of sodium hypochlorite by passive ultrasonic irrigation reduces its concentration compared to a technique without activation. Materials and methods: A ex-vivo descriptive study was conducted with teeth, randomized into two groups: 10 controls and 20 experimental. The hypochlorite of groups undergoing endodontic treatment was collected, and the post-irrigation residual with saline was gathered. The activation by ultrasonic was performed in stage 4.5 with Ultrasonic Scaler NSK®, three cycles of 20 seconds each per tooth. Irrigant concentration was measured by spectrophotometry. Results. In the first 4 stages, there were no concentration differences between groups. Stage 4.5 demonstrated a significant difference between the treated and control group. At saline irrigation stages, there was only a significant difference in stage E5. When activation was performed, the sodium hypochlorite curve maintained concentration values close to 5% in more stages in comparison to the control group. Conclusions: Passive ultrasonic activation demonstrated higher significant concentration of sodium hypochlorite, compared to a technique without activation.
author	Pirela,Carmen María Maggiolo,Silvana Yévenes,Ismael
author_facet	Pirela,Carmen María Maggiolo,Silvana Yévenes,Ismael
author_sort	Pirela,Carmen María
title	Determination of sodium hypochlorite concentrations in the activation of the irrigant by passive technique with ultrasonic, during the ex vivo endodontic protocol.
title_short	Determination of sodium hypochlorite concentrations in the activation of the irrigant by passive technique with ultrasonic, during the ex vivo endodontic protocol.
title_full	Determination of sodium hypochlorite concentrations in the activation of the irrigant by passive technique with ultrasonic, during the ex vivo endodontic protocol.
title_fullStr	Determination of sodium hypochlorite concentrations in the activation of the irrigant by passive technique with ultrasonic, during the ex vivo endodontic protocol.
title_full_unstemmed	Determination of sodium hypochlorite concentrations in the activation of the irrigant by passive technique with ultrasonic, during the ex vivo endodontic protocol.
title_sort	determination of sodium hypochlorite concentrations in the activation of the irrigant by passive technique with ultrasonic, during the ex vivo endodontic protocol.
publisher	Sociedad de Periodoncia de Chile
publishDate	2020
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S2452-55882020000300132
work_keys_str_mv	AT pirelacarmenmaria determinationofsodiumhypochloriteconcentrationsintheactivationoftheirrigantbypassivetechniquewithultrasonicduringtheexvivoendodonticprotocol AT maggiolosilvana determinationofsodiumhypochloriteconcentrationsintheactivationoftheirrigantbypassivetechniquewithultrasonicduringtheexvivoendodonticprotocol AT yevenesismael determinationofsodiumhypochloriteconcentrationsintheactivationoftheirrigantbypassivetechniquewithultrasonicduringtheexvivoendodonticprotocol
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Determination of sodium hypochlorite concentrations in the activation of the irrigant by passive technique with ultrasonic, during the ex vivo endodontic protocol.

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