In-vitro Comparative Study of the use of 2 % Chlorhexidine on Microtensile Bond Strength of Different Dentin Adhesives: A 6 Months Evaluation

The aim of this study was to evaluate the effect of chlorhexidine (CHX) dentin treatment on microtensile bond strength (µTBS) of adhesive systems in different storage times. Occlusal enamel was removed from ninety third-molars and flat surfaces of middle dentin were exposed. Teeth were randomly divi...

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Autores principales:	Bravo,Cristián, Sampaio,Camila S, Hirata,Ronaldo, Puppin-Rontani,Regina M, Mayoral,Juan Ricardo, Giner,Lluis
Lenguaje:	English
Publicado:	Sociedad Chilena de Anatomía 2017
Materias:	Microtensile bond strength Dentin Chlorhexidine Dentin adhesives Adhesion
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022017000300016
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spelling	oai:scielo:S0717-950220170003000162017-11-20In-vitro Comparative Study of the use of 2 % Chlorhexidine on Microtensile Bond Strength of Different Dentin Adhesives: A 6 Months EvaluationBravo,CristiánSampaio,Camila SHirata,RonaldoPuppin-Rontani,Regina MMayoral,Juan RicardoGiner,Lluis Microtensile bond strength Dentin Chlorhexidine Dentin adhesives Adhesion The aim of this study was to evaluate the effect of chlorhexidine (CHX) dentin treatment on microtensile bond strength (µTBS) of adhesive systems in different storage times. Occlusal enamel was removed from ninety third-molars and flat surfaces of middle dentin were exposed. Teeth were randomly divided in 6 groups according to adhesive system (etch-and-rinse : Adper Scotchbond 1XT - ASB ; self-etch: Adper Prompt L-Pop APP; and universal: Single Bond Universal - SBU) and chlorhexidine (CHX) dentin treatment (2 % CHX application for 20 s prior Primer). After resin composite build up, teeth were sectioned to obtain beam specimens and divided in 3 subgroups (n=5): 72h, 3 and 6 months storage times. After the storage times, teeth were tested in tension until failure (0.5 mm/min). SEM was performed to observe hybrid layer of adhesive systems. Data were analyzed using one-way ANOVA and Tukey tests. At 72 h, all equivalent groups (same adhesive system, different dentin treatments) maintained their µTBS when compared CHX-treatment. At 3 and 6 months, non-treated CHX groups showed less µTBS than CHX-treated ones. Six months storage time did not significantly decrease µTBS, except for G2-ASB. The effect of CHX on dentin µTBS depends on storage times and adhesive systems. While immediate µTBS was not affected by CHX treatment, CHX improved dentin µTBS after 3 and 6 months.info:eu-repo/semantics/openAccessSociedad Chilena de AnatomíaInternational Journal of Morphology v.35 n.3 20172017-09-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022017000300016en10.4067/S0717-95022017000300016
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Microtensile bond strength Dentin Chlorhexidine Dentin adhesives Adhesion
spellingShingle	Microtensile bond strength Dentin Chlorhexidine Dentin adhesives Adhesion Bravo,Cristián Sampaio,Camila S Hirata,Ronaldo Puppin-Rontani,Regina M Mayoral,Juan Ricardo Giner,Lluis In-vitro Comparative Study of the use of 2 % Chlorhexidine on Microtensile Bond Strength of Different Dentin Adhesives: A 6 Months Evaluation
description	The aim of this study was to evaluate the effect of chlorhexidine (CHX) dentin treatment on microtensile bond strength (µTBS) of adhesive systems in different storage times. Occlusal enamel was removed from ninety third-molars and flat surfaces of middle dentin were exposed. Teeth were randomly divided in 6 groups according to adhesive system (etch-and-rinse : Adper Scotchbond 1XT - ASB ; self-etch: Adper Prompt L-Pop APP; and universal: Single Bond Universal - SBU) and chlorhexidine (CHX) dentin treatment (2 % CHX application for 20 s prior Primer). After resin composite build up, teeth were sectioned to obtain beam specimens and divided in 3 subgroups (n=5): 72h, 3 and 6 months storage times. After the storage times, teeth were tested in tension until failure (0.5 mm/min). SEM was performed to observe hybrid layer of adhesive systems. Data were analyzed using one-way ANOVA and Tukey tests. At 72 h, all equivalent groups (same adhesive system, different dentin treatments) maintained their µTBS when compared CHX-treatment. At 3 and 6 months, non-treated CHX groups showed less µTBS than CHX-treated ones. Six months storage time did not significantly decrease µTBS, except for G2-ASB. The effect of CHX on dentin µTBS depends on storage times and adhesive systems. While immediate µTBS was not affected by CHX treatment, CHX improved dentin µTBS after 3 and 6 months.
author	Bravo,Cristián Sampaio,Camila S Hirata,Ronaldo Puppin-Rontani,Regina M Mayoral,Juan Ricardo Giner,Lluis
author_facet	Bravo,Cristián Sampaio,Camila S Hirata,Ronaldo Puppin-Rontani,Regina M Mayoral,Juan Ricardo Giner,Lluis
author_sort	Bravo,Cristián
title	In-vitro Comparative Study of the use of 2 % Chlorhexidine on Microtensile Bond Strength of Different Dentin Adhesives: A 6 Months Evaluation
title_short	In-vitro Comparative Study of the use of 2 % Chlorhexidine on Microtensile Bond Strength of Different Dentin Adhesives: A 6 Months Evaluation
title_full	In-vitro Comparative Study of the use of 2 % Chlorhexidine on Microtensile Bond Strength of Different Dentin Adhesives: A 6 Months Evaluation
title_fullStr	In-vitro Comparative Study of the use of 2 % Chlorhexidine on Microtensile Bond Strength of Different Dentin Adhesives: A 6 Months Evaluation
title_full_unstemmed	In-vitro Comparative Study of the use of 2 % Chlorhexidine on Microtensile Bond Strength of Different Dentin Adhesives: A 6 Months Evaluation
title_sort	in-vitro comparative study of the use of 2 % chlorhexidine on microtensile bond strength of different dentin adhesives: a 6 months evaluation
publisher	Sociedad Chilena de Anatomía
publishDate	2017
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022017000300016
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In-vitro Comparative Study of the use of 2 % Chlorhexidine on Microtensile Bond Strength of Different Dentin Adhesives: A 6 Months Evaluation

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