Use of Morphometric Analyses to Assess the Efficacy of the Technique of Resin Composite Bonded to Cervical Dentin with Additional Mechanical Retentions

The structural changes and morphological derivatives of progressive dentin hypermineralization determine the bonding to its surface. A planimetric study and fracture volume estimate were conducted to assess the efficacy of resin composite bonded to hypermineralized cervical dentin with and without r...

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Autores principales:	Kuramochi,Gisaku, Borie,Eduardo, del Sol,Mariano
Lenguaje:	English
Publicado:	Sociedad Chilena de Anatomía 2016
Materias:	Morphometry Planimetry Volumetry Bonding Dentin
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022016000200029
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spelling	oai:scielo:S0717-950220160002000292016-07-13Use of Morphometric Analyses to Assess the Efficacy of the Technique of Resin Composite Bonded to Cervical Dentin with Additional Mechanical RetentionsKuramochi,GisakuBorie,Eduardodel Sol,Mariano Morphometry Planimetry Volumetry Bonding Dentin The structural changes and morphological derivatives of progressive dentin hypermineralization determine the bonding to its surface. A planimetric study and fracture volume estimate were conducted to assess the efficacy of resin composite bonded to hypermineralized cervical dentin with and without retentions by applying a shear test. Thirty-four premolars from adult patients were used to obtain a flat cervical dentin surface. The specimens were distributed randomly into two groups: 1) experimental, where hemispherical retentions were carved into the cervical dentin, and 2) control, where the flat dentin was maintained. Using a jig, a resin column was built into the dentin surface fitted with bonding in specimens from both groups, which were then subjected to the shear test. The morphological analysis was performed with a microscope while the percentage of remnant surface from each component of the adhesive bond was calculated planimetrically. The volume of lost tissue was determined using Scherle's method. In the planimetric study, the average remnant resin on the surface was significantly higher in the experimental group and there was less intact dentin in the control group. The volumetric assessment also showed a much higher loss of dentin substrate than the experimental group. Consequently, the complementary use of morphometric and volumetric techniques enables the evaluation of the efficacy of a technique, demonstrating that the inclusion of mechanical retentions in hypermineralized cervical dentin improves the bonding properties.info:eu-repo/semantics/openAccessSociedad Chilena de AnatomíaInternational Journal of Morphology v.34 n.2 20162016-06-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022016000200029en10.4067/S0717-95022016000200029
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Morphometry Planimetry Volumetry Bonding Dentin
spellingShingle	Morphometry Planimetry Volumetry Bonding Dentin Kuramochi,Gisaku Borie,Eduardo del Sol,Mariano Use of Morphometric Analyses to Assess the Efficacy of the Technique of Resin Composite Bonded to Cervical Dentin with Additional Mechanical Retentions
description	The structural changes and morphological derivatives of progressive dentin hypermineralization determine the bonding to its surface. A planimetric study and fracture volume estimate were conducted to assess the efficacy of resin composite bonded to hypermineralized cervical dentin with and without retentions by applying a shear test. Thirty-four premolars from adult patients were used to obtain a flat cervical dentin surface. The specimens were distributed randomly into two groups: 1) experimental, where hemispherical retentions were carved into the cervical dentin, and 2) control, where the flat dentin was maintained. Using a jig, a resin column was built into the dentin surface fitted with bonding in specimens from both groups, which were then subjected to the shear test. The morphological analysis was performed with a microscope while the percentage of remnant surface from each component of the adhesive bond was calculated planimetrically. The volume of lost tissue was determined using Scherle's method. In the planimetric study, the average remnant resin on the surface was significantly higher in the experimental group and there was less intact dentin in the control group. The volumetric assessment also showed a much higher loss of dentin substrate than the experimental group. Consequently, the complementary use of morphometric and volumetric techniques enables the evaluation of the efficacy of a technique, demonstrating that the inclusion of mechanical retentions in hypermineralized cervical dentin improves the bonding properties.
author	Kuramochi,Gisaku Borie,Eduardo del Sol,Mariano
author_facet	Kuramochi,Gisaku Borie,Eduardo del Sol,Mariano
author_sort	Kuramochi,Gisaku
title	Use of Morphometric Analyses to Assess the Efficacy of the Technique of Resin Composite Bonded to Cervical Dentin with Additional Mechanical Retentions
title_short	Use of Morphometric Analyses to Assess the Efficacy of the Technique of Resin Composite Bonded to Cervical Dentin with Additional Mechanical Retentions
title_full	Use of Morphometric Analyses to Assess the Efficacy of the Technique of Resin Composite Bonded to Cervical Dentin with Additional Mechanical Retentions
title_fullStr	Use of Morphometric Analyses to Assess the Efficacy of the Technique of Resin Composite Bonded to Cervical Dentin with Additional Mechanical Retentions
title_full_unstemmed	Use of Morphometric Analyses to Assess the Efficacy of the Technique of Resin Composite Bonded to Cervical Dentin with Additional Mechanical Retentions
title_sort	use of morphometric analyses to assess the efficacy of the technique of resin composite bonded to cervical dentin with additional mechanical retentions
publisher	Sociedad Chilena de Anatomía
publishDate	2016
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022016000200029
work_keys_str_mv	AT kuramochigisaku useofmorphometricanalysestoassesstheefficacyofthetechniqueofresincompositebondedtocervicaldentinwithadditionalmechanicalretentions AT borieeduardo useofmorphometricanalysestoassesstheefficacyofthetechniqueofresincompositebondedtocervicaldentinwithadditionalmechanicalretentions AT delsolmariano useofmorphometricanalysestoassesstheefficacyofthetechniqueofresincompositebondedtocervicaldentinwithadditionalmechanicalretentions
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Use of Morphometric Analyses to Assess the Efficacy of the Technique of Resin Composite Bonded to Cervical Dentin with Additional Mechanical Retentions

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