<?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>1684-1824</journal-id>
<journal-title><![CDATA[Revista Médica Electrónica]]></journal-title>
<abbrev-journal-title><![CDATA[Rev.Med.Electrón.]]></abbrev-journal-title>
<issn>1684-1824</issn>
<publisher>
<publisher-name><![CDATA[Universidad de Ciencias Médicas de Matanzas]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1684-18242018000601750</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Determinación del área en diferentes sitios utilizados para colocación de mini implantes en la cresta infracigomática]]></article-title>
<article-title xml:lang="en"><![CDATA[Determination of the area in different sites used for the placement of mini-implants in the infrazygomatic crest]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Flores Carrillo]]></surname>
<given-names><![CDATA[Claudia Leticia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rivas Gutiérrez]]></surname>
<given-names><![CDATA[Rafael]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Aguilar Orozco]]></surname>
<given-names><![CDATA[Saúl]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Autónoma de Nayarit  ]]></institution>
<addr-line><![CDATA[ Tepic, Nayarit]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2018</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2018</year>
</pub-date>
<volume>40</volume>
<numero>6</numero>
<fpage>1750</fpage>
<lpage>1764</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S1684-18242018000601750&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S1684-18242018000601750&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S1684-18242018000601750&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Introducción:  estudios recientes indican que la cresta infracigomática es un sitio favorable para la colocación de mini implantes, sin embargo es importante conocer sus dimensiones anatómicas para colocarlos en una posición segura y lograr buena estabilidad.  Objetivo:  determinar el área, en diferentes zonas de la cresta infracigomática, que son utilizadas para la colocación de miniimplantes.  Materiales y métodos:  estudio descriptivo, observacional y transversal de 60 casos, con previo tratamiento de Ortodoncia y que reunieron los criterios de inclusión. Se utilizaron archivos radiográficos y de tomografías con tecnología cone-beam. Se realizó la estadística descriptiva y pruebas ANOVA, t de Student y método de comparación de Tukey para relacionar las variables.  Resultados:  la zona de mayor área de hueso se encontró a nivel de la cúspide mesiovestibular del segundo molar (30.2+12.1mm2). La clase esqueletal II presentó mayor área (33.6+11.2mm2). Se encontraron diferencias estadísticamente significativas al relacionar las variables área y zona, así como área y clase esqueletal, pero no hubo significancia estadística al relacionar el área con el sexo.  Conclusiones.  a nivel de la segunda molar superior es la referencia ideal para la colocación de mini implantes, en la cresta infracigomática, ya que esta tiene mayor área. Los casos Clase II presentan también un área mayor. El sexo no fue determinante.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Introduction:  recent studies indicate that the infrazygomatic crest is a favorable site for the placement of miniscrew (mini implante), however it is important to know its anatomical dimensions to place them in a secure position and to obtain good stability.  Objective:  to determine the area in different sites of the infrazygomatic crest that is used for the placement of mini-implants.  Materials and methods:  descriptive, observational and cross-sectional study of 60 cases, with previous orthodontic treatment, that fulfilled the inclusion criteria. Radiographic and tomographic files with cone-beam technology were used. Descriptive statistics, ANOVA and t-Student tests, and Tukey's comparison method were used to relate the variables.  Results:  The zone with the largest area was found at the level of the second molar in the mesiovestibular cusp (30.2 + 12.1 mm2). Skeletal class II showed the largest area (33.6 + 11.2mm2). Statistically significant differences were found when relating the area and site variables as well as area and skeletal class, but there was no statistical significance in relating the area to sex.  Conclusions:  the level of the upper second molar is the ideal reference for the placement of mini-implants in the infrazygomatic crest since it has a larger area. Class II cases also have a larger area. Sex was not determinant.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[cresta infracigomática]]></kwd>
<kwd lng="es"><![CDATA[mini implantes]]></kwd>
<kwd lng="es"><![CDATA[área]]></kwd>
<kwd lng="es"><![CDATA[ortodoncia.]]></kwd>
<kwd lng="en"><![CDATA[infrazygomatic crest]]></kwd>
<kwd lng="en"><![CDATA[mini-implants]]></kwd>
<kwd lng="en"><![CDATA[area, orthodontics.]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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