<?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>0034-7507</journal-id>
<journal-title><![CDATA[Revista Cubana de Estomatología]]></journal-title>
<abbrev-journal-title><![CDATA[Rev Cubana Estomatol]]></abbrev-journal-title>
<issn>0034-7507</issn>
<publisher>
<publisher-name><![CDATA[Editorial Ciencias Médicas]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0034-75072022000100011</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Reasons of tooth mortality by continents in the last 20 years]]></article-title>
<article-title xml:lang="es"><![CDATA[Motivos de mortalidad dental por continentes en los últimos 20 años]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Chaple Gil]]></surname>
<given-names><![CDATA[Alain Manuel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pérez López]]></surname>
<given-names><![CDATA[Gabriel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Williams]]></surname>
<given-names><![CDATA[Techa]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Ciencias Médicas de La Habana Facultad de Ciencias Médicas &#8220;Victoria de Girón&#8221; ]]></institution>
<addr-line><![CDATA[La Habana ]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Autónoma de Chile Facultad de Ciencias de la Salud ]]></institution>
<addr-line><![CDATA[Temuco ]]></addr-line>
<country>Chile</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad de Ciencias Médicas de La Habana Facultad de Ciencias Médicas &#8220;Finlay- Albarrán&#8221; ]]></institution>
<addr-line><![CDATA[La Habana ]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Williams &amp; Associates Dental Ltd  ]]></institution>
<addr-line><![CDATA[Saint John ]]></addr-line>
<country>Antigua & Barbuda</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2022</year>
</pub-date>
<volume>59</volume>
<numero>1</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S0034-75072022000100011&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S0034-75072022000100011&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S0034-75072022000100011&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Introduction: The reasons for tooth loss have been well defined for several centuries. However, systematic analysis of the causes of tooth loss in the first years of the present century would shed light on the current manifestation of this phenomenon.  Objective:  Determine the main causes of tooth mortality in the last 20 years.  Methods:  A systematic review was conducted using the Boolean search engines in PubMed, Web of Science, Scopus and SciELO bibliographic search platforms. The search was based on the following MeSH terms: cause, motive, mortality, extraction, dental extraction, loss, and combinations thereof. The articles included were in English or Spanish. Calibration was performed by the authors to evaluate the articles to be selected.  Results: A total 593 articles were retrieved: 16 from Web of Science, 39 from Scopus, 531 from Pubmed and 1 from SciELO, of which 26 were included in the study. A predominance was found of articles published in English (80.8%). The main causes of tooth mortality dealt with were dental caries (92.30%) and periodontal disease (50.0%).  Conclusions:  The evidence obtained in the last 20 years is insufficient to determine the main reasons for dental extraction by continent. There is little availability of articles about areas from the most densely populated and developed countries in each continent. The articles included showed a predominance of dental caries and periodontal disease as the main reasons for dental extraction.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Introducción: Las razones de la pérdida dentaria han sido bien definidas desde hace varios siglos. Sin embargo, sistematizar sobre las causas en los primeros años del presente siglo aportaría una visión de cómo se manifiestan en la actualidad.  Objetivo:  Determinar las principales causas de mortalidad dental en los últimos 20 años.  Métodos:  Se realizó una revisión sistemática utilizando los motores de búsqueda booleanos en la plataforma de búsqueda bibliográfica de PubMed, Web of Science, Scopus y SciELO. Las palabras clave utilizadas para la búsqueda fueron MesH: causa, motivo, mortalidad, extracción, extracción dental, pérdida y una combinación entre ellas. Se incluyeron artículos en español e inglés. Se realizó una calibración entre los autores para la evaluación de los artículos a seleccionar.  Resultados:  Como resultado de la búsqueda se obtuvieron 593 artículos, de los cuales 16 fueron de Web of Science, 39 de Scopus, 531 de Pubmed y 1 de SciELO. Los artículos incluidos en el estudio fueron 26. Predominaron las investigaciones publicadas en inglés (80,8 %), que destacó entre los motivos de mortalidad dental estudiados, se encontró un predominio de caries dental (92,30 %) y enfermedad periodontal (50,0 %).  Conclusiones:  La evidencia obtenida en los últimos 20 años para determinar las principales razones de extracción dentaria por continentes es insuficiente y se observa la poca presencia de artículos en poblaciones de países con mayor desarrollado y número de habitantes de cada continente. Los artículos incluidos mostraron un predominio de la caries dental y la enfermedad periodontal como los principales motivos de extracción dentaria.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[dental caries]]></kwd>
<kwd lng="en"><![CDATA[periodontal diseases]]></kwd>
<kwd lng="en"><![CDATA[predominance]]></kwd>
<kwd lng="en"><![CDATA[dental extraction]]></kwd>
<kwd lng="en"><![CDATA[mortality]]></kwd>
<kwd lng="es"><![CDATA[caries dental]]></kwd>
<kwd lng="es"><![CDATA[enfermedades periodontales]]></kwd>
<kwd lng="es"><![CDATA[predominio]]></kwd>
<kwd lng="es"><![CDATA[extracción dental]]></kwd>
<kwd lng="es"><![CDATA[mortalidad]]></kwd>
</kwd-group>
</article-meta>
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