<?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>1029-3019</journal-id>
<journal-title><![CDATA[MEDISAN]]></journal-title>
<abbrev-journal-title><![CDATA[MEDISAN]]></abbrev-journal-title>
<issn>1029-3019</issn>
<publisher>
<publisher-name><![CDATA[Centro Provincial de Información de Ciencias Médicas]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1029-30192019000500860</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Modificaciones del espacio óseo posterior para terceros molares desde la infancia hasta la adolescencia]]></article-title>
<article-title xml:lang="en"><![CDATA[Modifications of the posterior bony space for third molars from childhood to adolescence]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[González Espangler]]></surname>
<given-names><![CDATA[Liuba]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rodríguez Torres]]></surname>
<given-names><![CDATA[Ernesto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Soto Cantero]]></surname>
<given-names><![CDATA[Luis Atilano]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Romero García]]></surname>
<given-names><![CDATA[Lázaro Ibrahim]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pichel Borges]]></surname>
<given-names><![CDATA[Isis]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Ciencias Médicas Policlínico Docente José Martí Pérez ]]></institution>
<addr-line><![CDATA[Santiago de Cuba ]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de Ciencias Médicas Hospital Provincial Clinicoquirúrgico Docente Saturnino Lora Torres ]]></institution>
<addr-line><![CDATA[Santiago de Cuba ]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Policlínico Comunitario Luis Ramírez López  ]]></institution>
<addr-line><![CDATA[Santiago de Cuba ]]></addr-line>
<country>Cuba</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>10</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>10</month>
<year>2019</year>
</pub-date>
<volume>23</volume>
<numero>5</numero>
<fpage>860</fpage>
<lpage>874</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S1029-30192019000500860&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S1029-30192019000500860&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S1029-30192019000500860&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Introducción:  Del crecimiento de los maxilares depende en gran medida la correcta disposición de los dientes, especialmente de los terceros molares, que son los últimos en brotar.  Objetivo:  Estimar los cambios en el espacio óseo posterior según la edad y su relación con variables epidemiológicas.  Métodos:  Se realizó un estudio observacional, descriptivo y transversal en niños pertenecientes al Policlínico Docente &#8220;José Martí Pérez&#8221; de Santiago de Cuba, de mayo de 2016 a febrero de 2017, para lo cual se utilizaron radiografías panorámicas en las mediciones, analizadas según las variables edad, sexo y color de la piel.  Resultados:  Sobresalió que la diferencia del espacio óseo posterior de la infancia a la adolescencia fue de 9 mm para el molar 18, de 8,1 para el 28, de 12,5 para el 38 y de 11,5 para el 48; no se observaron diferencias significativas en cuanto a sexo y color de la piel.  Conclusiones:  Con la evaluación de la magnitud dimensional de dicho espacio es posible predecir el crecimiento de los maxilares para dar ubicación a los terceros molares en el transcurso de la infancia a la adolescencia.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Introduction:  The correct disposition of teeth depends in great measure on the growth of maxillary, especially the third molars that are the last ones in eruption.  Objective:  To estimate the changes in the posterior bony space according to age and its relationship with epidemic variables.  Methods:  An observational, descriptive and cross-sectional study was carried out in children belonging to José Martí Pérez Teaching Polyclinic in Santiago de Cuba, from May, 2016 to February, 2017, for which panoramic X-rays were used in the measures, analyzed according to age, sex and color of the skin.  Results:  It was remarkable that the difference of the posterior bony space from childhood to adolescence was 9 mm for 18 molar, of 8.1 for 28 molar, of 12.5 for 38 molar and of 11.5 for 48 molar; significant differences were not observed between sex and color of the skin.  Conclusions:  With the evaluation of the dimensional magnitude of this space it is possible to predict the growth of the maxillary to give location to the third molars during the course from the childhood to the adolescence.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[niño]]></kwd>
<kwd lng="es"><![CDATA[adolescente]]></kwd>
<kwd lng="es"><![CDATA[tercer molar]]></kwd>
<kwd lng="es"><![CDATA[espacio óseo posterior]]></kwd>
<kwd lng="es"><![CDATA[espacio retromolar]]></kwd>
<kwd lng="es"><![CDATA[ortodoncia]]></kwd>
<kwd lng="en"><![CDATA[child]]></kwd>
<kwd lng="en"><![CDATA[adolescent]]></kwd>
<kwd lng="en"><![CDATA[third molar]]></kwd>
<kwd lng="en"><![CDATA[posterior bony space]]></kwd>
<kwd lng="en"><![CDATA[retromolar space]]></kwd>
<kwd lng="en"><![CDATA[orthodontics]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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