<?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>0213-1285</journal-id>
<journal-title><![CDATA[Avances en Odontoestomatología]]></journal-title>
<abbrev-journal-title><![CDATA[Av Odontoestomatol]]></abbrev-journal-title>
<issn>0213-1285</issn>
<publisher>
<publisher-name><![CDATA[Ediciones Avances, S.L.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0213-12852022000200005</article-id>
<article-id pub-id-type="doi">10.4321/s0213-12852022000200005</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Estabilidad dimensional de la silicona por adición: polivinilsiloxano un estudio in vitro]]></article-title>
<article-title xml:lang="en"><![CDATA[Dimensional stability of silicone by addition: polyvinylsiloxane in vitro study]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Huamán-Galoc]]></surname>
<given-names><![CDATA[W]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Valenzuela-Ramos]]></surname>
<given-names><![CDATA[MR]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Mendoza-Murillo]]></surname>
<given-names><![CDATA[PO]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Scipion-Castro]]></surname>
<given-names><![CDATA[RD]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Agüero-Del Carpio]]></surname>
<given-names><![CDATA[PI]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Alayza-Carrera]]></surname>
<given-names><![CDATA[GL]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Nacional Federico Villarreal Facultad de Odontología ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Perú</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Nacional San Luis Gonzaga de Ica Facultad de Estomatología ]]></institution>
<addr-line><![CDATA[Ica ]]></addr-line>
<country>Perú</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Nacional Federico Villarreal Facultad de Odontología ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Perú</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad Nacional Federico Villarreal Facultad de Odontología ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Perú</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Universidad Nacional Federico Villarreal  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Perú</country>
</aff>
<aff id="Af6">
<institution><![CDATA[,Universidad Señor De Sipán  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Perú</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2022</year>
</pub-date>
<volume>38</volume>
<numero>2</numero>
<fpage>71</fpage>
<lpage>75</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_arttext&amp;pid=S0213-12852022000200005&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_abstract&amp;pid=S0213-12852022000200005&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_pdf&amp;pid=S0213-12852022000200005&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Introducción. Se han realizado con el fin de evaluar la estabilidad dimensional, cada grupo de estudio confecciona su propio aditamento con el fin de determinar si existe o no una variación dimensional de los diferentes materiales de impresión utilizados en la rehabilitación oral. Esta variación va a depender de distintos factores como el tiempo, el material, la temperatura, la humedad entre otros.  Objetivo. En este sentido, el objetivo del estudio fue evaluar la estabilidad dimensional de la silicona de adición / polivinilsiloxano (VPS) y para ello se tendrá en cuenta el tiempo.  Métodos. Se trata de un estudio experimental. La muestra estuvo conformada por un total de 50 modelos, 25 para VPS Y 25 para el grupo control cuyo material fue la silicona por condensación. Para realizar el estudio se confecciono un modelo maestro teniendo en cuenta 6 localizaciones y 5 periodos de tiempo donde elprimer grupo a los 0 minutos, el segundo grupo a los 20 minutos, el tercer grupo a la 1 hora, cuarto grupo a las 6 horas y el quinto grupo a las 24 horas, después de tomada la impresión.  Resultados. Después de la toma de impresión cuando se contabiliza a los 0 minutos, a los 60 minutos, a las 6 horas y a las 24 horas se obtiene el estadístico t &#8805; 2,1318 y p&#8804; 0,05 confirmando que se encuentran diferencias significativas entre las dos siliconas respecto a la variación dimensional.  Conclusiones. Se concluye que existe una variación de la estabilidad dimensional al ser comparada con el grupo control como lo es la silicona por condensación.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Introduction. They have been carried out in order to evaluate dimensional stability, a study group makes its own abutment in order to determine if there is no dimensional variation of the different impression materials used in oral rehabilitation. This variation will depend on different factors such as time, material, temperature, humidity among others.  Objective. In this sense, the objective of the study was to evaluate the dimensional stability of the addition silicone / polyvinylsiloxane (VPS) and for this, time will be taken into account.  Methods. We went on to an experimental study. The sample consisted of a total of 50 models, 25 for VPS and 25 for the control group whose material was silicone by condensation. To carry out the study, a master model was made taking into account 6 locations and 5 time periods where the first group at 0 minutes, the second group at 20 minutes, the third group at 1 hour, the fourth group at 6 hours and the fifth group at 24 hours, after the impression was taken.  Results. After taking the impression when it is counted at 0 minutes, at 60 minutes, at 6 hours and at 24 hours, the statistic t &#8805; 2.1318 and p&#8804; 0.05 is obtained, confirming that there are significant differences between the two silicones with respect to the dimensional variation.  Conclusions. It is concluded that there is a variation in dimensional stability when compared with the control group such as silicone by condensation..]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Elastómeros de silicona]]></kwd>
<kwd lng="es"><![CDATA[Precisión de la Medición Dimensional]]></kwd>
<kwd lng="es"><![CDATA[Técnicas In Vitro]]></kwd>
<kwd lng="en"><![CDATA[Silicones elastomers]]></kwd>
<kwd lng="en"><![CDATA[Dimensional Measurement Accuracy]]></kwd>
<kwd lng="en"><![CDATA[In Vitro Techniques]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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