Water and Physiological Saline to Prevent the Formation of P-Chloroaniline

This study determined if p-chloroaniline (PCA) can be minimized by using distilled water and physiological saline solution following sodium hypochlorite but before chlorhexidine. Hypochlorite 5%, 0.5%, 0.05%, 0.005% and 0.0005% dissolved in 0.9% NaCl and in distilled water were mixed with 2% chlorhe...

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Autores principales:	Riquelme,María José, Correa,Verónica, Araya,Pilar, Neira,Miguel, Yévenes,Ismael
Lenguaje:	English
Publicado:	Universidad de La Frontera. Facultad de Medicina 2015
Materias:	chlorhexidine p-chloroaniline distilled water physiological saline solution sodium hypochlorite
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-381X2015000300008
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spelling	oai:scielo:S0718-381X20150003000082016-03-22Water and Physiological Saline to Prevent the Formation of P-ChloroanilineRiquelme,María JoséCorrea,VerónicaAraya,PilarNeira,MiguelYévenes,Ismael chlorhexidine p-chloroaniline distilled water physiological saline solution sodium hypochlorite This study determined if p-chloroaniline (PCA) can be minimized by using distilled water and physiological saline solution following sodium hypochlorite but before chlorhexidine. Hypochlorite 5%, 0.5%, 0.05%, 0.005% and 0.0005% dissolved in 0.9% NaCl and in distilled water were mixed with 2% chlorhexidine for the formation of PCA. The PCA was determined using UV-VISIBLE spectrometry, with spectral curve was determined the wavelength of maximum absorption of PCA. Formed PCA absorbance was measured between 0.025%, 0.02%, 0.015%, 0.01%, 0.005% and 0.0025% hypochlorite and 2% chlorhexidine. 2% chlorhexidine and hypochlorite with physiological saline form a white precipitate which prevents the measurement of PCA. Colored PCA is formed with 0.05%, 0.005% hypochlorite aqueous dilutions and 2% chlorhexidine. The lwavelength of maximum absorption obtained was 470 nm and absorbance of PCA showed a linear decrease. 0.005% NaClO produces the least amount of PCA. The best solvent to prevent the formation of PCA during the interaction of sodium hypochlorite with chlorhexidine is distilled water.info:eu-repo/semantics/openAccessUniversidad de La Frontera. Facultad de MedicinaInternational journal of odontostomatology v.9 n.3 20152015-12-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-381X2015000300008en10.4067/S0718-381X2015000300008
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	chlorhexidine p-chloroaniline distilled water physiological saline solution sodium hypochlorite
spellingShingle	chlorhexidine p-chloroaniline distilled water physiological saline solution sodium hypochlorite Riquelme,María José Correa,Verónica Araya,Pilar Neira,Miguel Yévenes,Ismael Water and Physiological Saline to Prevent the Formation of P-Chloroaniline
description	This study determined if p-chloroaniline (PCA) can be minimized by using distilled water and physiological saline solution following sodium hypochlorite but before chlorhexidine. Hypochlorite 5%, 0.5%, 0.05%, 0.005% and 0.0005% dissolved in 0.9% NaCl and in distilled water were mixed with 2% chlorhexidine for the formation of PCA. The PCA was determined using UV-VISIBLE spectrometry, with spectral curve was determined the wavelength of maximum absorption of PCA. Formed PCA absorbance was measured between 0.025%, 0.02%, 0.015%, 0.01%, 0.005% and 0.0025% hypochlorite and 2% chlorhexidine. 2% chlorhexidine and hypochlorite with physiological saline form a white precipitate which prevents the measurement of PCA. Colored PCA is formed with 0.05%, 0.005% hypochlorite aqueous dilutions and 2% chlorhexidine. The lwavelength of maximum absorption obtained was 470 nm and absorbance of PCA showed a linear decrease. 0.005% NaClO produces the least amount of PCA. The best solvent to prevent the formation of PCA during the interaction of sodium hypochlorite with chlorhexidine is distilled water.
author	Riquelme,María José Correa,Verónica Araya,Pilar Neira,Miguel Yévenes,Ismael
author_facet	Riquelme,María José Correa,Verónica Araya,Pilar Neira,Miguel Yévenes,Ismael
author_sort	Riquelme,María José
title	Water and Physiological Saline to Prevent the Formation of P-Chloroaniline
title_short	Water and Physiological Saline to Prevent the Formation of P-Chloroaniline
title_full	Water and Physiological Saline to Prevent the Formation of P-Chloroaniline
title_fullStr	Water and Physiological Saline to Prevent the Formation of P-Chloroaniline
title_full_unstemmed	Water and Physiological Saline to Prevent the Formation of P-Chloroaniline
title_sort	water and physiological saline to prevent the formation of p-chloroaniline
publisher	Universidad de La Frontera. Facultad de Medicina
publishDate	2015
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-381X2015000300008
work_keys_str_mv	AT riquelmemariajose waterandphysiologicalsalinetopreventtheformationofpchloroaniline AT correaveronica waterandphysiologicalsalinetopreventtheformationofpchloroaniline AT arayapilar waterandphysiologicalsalinetopreventtheformationofpchloroaniline AT neiramiguel waterandphysiologicalsalinetopreventtheformationofpchloroaniline AT yevenesismael waterandphysiologicalsalinetopreventtheformationofpchloroaniline
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Water and Physiological Saline to Prevent the Formation of P-Chloroaniline

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