<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>2215-3411</journal-id>
<journal-title><![CDATA[Odovtos International Journal of Dental Sciences]]></journal-title>
<abbrev-journal-title><![CDATA[Odovtos]]></abbrev-journal-title>
<issn>2215-3411</issn>
<publisher>
<publisher-name><![CDATA[Facultad de Odontología. Universidad de Costa Rica]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2215-34112019000200073</article-id>
<article-id pub-id-type="doi">10.15517/ijds.v21i2.37061</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Estudio comparativo de la bioactividad de dos materiales biocerámicos]]></article-title>
<article-title xml:lang="en"><![CDATA[Comparative Study of the Bioactivity of Two Bioceramic Materials]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Trujillo-Hernández]]></surname>
<given-names><![CDATA[Margarita]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Flores-Ventura]]></surname>
<given-names><![CDATA[Rebeca E.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Suárez-Porras]]></surname>
<given-names><![CDATA[Angélica]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[García-González]]></surname>
<given-names><![CDATA[Leandro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hernández-Torres]]></surname>
<given-names><![CDATA[Julián]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Zamora-Peredo]]></surname>
<given-names><![CDATA[Luis]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Suárez-Franco]]></surname>
<given-names><![CDATA[José Luis]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Veracruzana  ]]></institution>
<addr-line><![CDATA[ Veracruz]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Veracruzana Centro de Micro y Nanotecnología (MICRONA) ]]></institution>
<addr-line><![CDATA[ Veracruz]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>08</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>08</month>
<year>2019</year>
</pub-date>
<volume>21</volume>
<numero>2</numero>
<fpage>73</fpage>
<lpage>81</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_arttext&amp;pid=S2215-34112019000200073&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_abstract&amp;pid=S2215-34112019000200073&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_pdf&amp;pid=S2215-34112019000200073&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN Los materiales a base de silicato de calcio han demostrado ser bioactivos debido a su capacidad para producir apatita carbonatada biológicamente compatible. El objetivo de este estudio fue analizar la bioactividad de Biodentine&#8482; y MTA Repair HP® en contacto con discos de dentina humana, que se obturaron y dividieron aleatoriamente para formar cuatro grupos: grupo 1 Biodentine&#8482;, grupo 2 MTA Repair HP®, grupo control positivo MTA Angelus® y grupo control negativo IRM®, los cuales se incubaron en solución PBS durante 10 días, para posterior análisis por medio de MEB-EDS y Espectroscopía Raman. Los tres materiales a base de silicato de calcio analizados en este estudio demostraron ser bioactivos pues al entrar en contacto con una solución a base de fosfato desencadenaron la precipitación inicial de fosfato de calcio amorfo, que actúa como precursor durante la formación de apatita carbonatada.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT Calcium silicate-based materials have been shown to be bioactive due to their ability to produce biologically compatible carbonated apatite. The objective of this study was to analyze the bioactivity of Biodentine &#8482; and MTA Repair HP® in contact with human dentine discs, which were sealed and divided randomly to form four groups: group 1 Biodentine&#8482;, group 2 MTA Repair HP®, positive control group MTA Angelus® and negative control group IRM®, which were incubated in PBS solution for 10 days, for a subsequent analysis by means of MEB-EDS and Raman spectroscopy. The three calcium-based materials analyzed in this study proved to be bioactive because upon contact with a phosphate-based solution they were triggered at the onset of amorphous calcium phosphate, as the precursor during the formation of carbonated apatite.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Apatita]]></kwd>
<kwd lng="es"><![CDATA[Bioactividad]]></kwd>
<kwd lng="es"><![CDATA[Espectroscopía]]></kwd>
<kwd lng="es"><![CDATA[Fosfato de calcio]]></kwd>
<kwd lng="es"><![CDATA[Biodentine&#8482;]]></kwd>
<kwd lng="es"><![CDATA[MTA Repair HP®]]></kwd>
<kwd lng="en"><![CDATA[Apatite]]></kwd>
<kwd lng="en"><![CDATA[Bbioactivity]]></kwd>
<kwd lng="en"><![CDATA[Spectroscopy]]></kwd>
<kwd lng="en"><![CDATA[Calcium phosphate]]></kwd>
<kwd lng="en"><![CDATA[Biodentine &#8482;]]></kwd>
<kwd lng="en"><![CDATA[MTA Repair HP®]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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<article-title xml:lang=""><![CDATA[TEM study of calcium phosphate precipitation on HA/TCP ceramics.]]></article-title>
<source><![CDATA[Biomaterials]]></source>
<year>2003</year>
<volume>24</volume>
<numero>13</numero>
<issue>13</issue>
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