<?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>0864-0300</journal-id>
<journal-title><![CDATA[Revista Cubana de Investigaciones Biomédicas]]></journal-title>
<abbrev-journal-title><![CDATA[Rev Cubana Invest Bioméd]]></abbrev-journal-title>
<issn>0864-0300</issn>
<publisher>
<publisher-name><![CDATA[ECIMED]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0864-03002024000100043</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Cambios esqueléticos y articulares del síndrome clase III de Moyers tratados con bloques gemelos]]></article-title>
<article-title xml:lang="en"><![CDATA[Skeletal and joint changes in Moyers class III syndrome treated with twin blocks]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Herrero Solano]]></surname>
<given-names><![CDATA[Yosvany]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Ciencias Médicas de Granma  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Clínica Universitaria de Especialidades Estomatológicas &#8220;Manuel Cedeño&#8221;  ]]></institution>
<addr-line><![CDATA[ Granma]]></addr-line>
<country>Cuba</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2024</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2024</year>
</pub-date>
<volume>43</volume>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S0864-03002024000100043&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S0864-03002024000100043&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S0864-03002024000100043&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Introducción:  El síndrome clase III de Moyers se caracteriza por la discrepancia en la longitud del arco, los problemas esqueléticos, la disfunción muscular, los problemas dentales y el perfil facial del paciente.  Objetivo:  Evaluar los cambios esqueléticos y articulares del síndrome clase III de Moyers tratados con bloques gemelos.  Métodos:  Se realizó un estudio de intervención de tipo cuasi-experimental, modalidad antes y después, sin grupo control, en 93 pacientes de la Clínica Universitaria de Especialidades Estomatológicas &#8220;Manuel Cedeño&#8221;, durante enero de 2018 y abril de 2021. A todos los pacientes se les colocó bloques gemelos clase III.  Resultados:  Con el uso de los bloques gemelos aumentó la longitud maxilar (49,223 ± 3,4806), mejoró la posición de la rama (73,265 ± 3,5793) y la localización del porión (37,381 ± 2,6284); además, se corrigieron la convexidad facial (4,800 ± 7,1800), y la posición anteroposterior del maxilar (SNA= 79,410 ± 3,1429) y el mandibular (SNB= 77,948 ± 1,1491). Se logró una relación maxilomandibular clase I (ANB = 1,397 ± 1,1491) y se estableció una adecuada relación anatómica articular (Fg-S = 18,423; Cma-FH = -0,345; Cd-PVt = 30,478).  Conclusiones:  Los bloques gemelos permiten la corrección de la clase III esquelética al modificar la estructura interna, la posición maxilomandibular y de la articulación temporomandibular de los pacientes con síndrome clase III de Moyers.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Introduction: Moyers class III syndrome is characterized by arch length discrepancy, skeletal problems, muscle dysfunction, dental problems and facial profile of the patient.  Purpose: To evaluate the skeletal and articular changes of Moyers class III syndrome after treatment with twin blocks.  Methods: An intervention study of quasi-experimental type, before and after modality, without control group, was performed in 93 patients from the teaching Clinic Dentistry specialties &#8220;Manuel Cedeño&#8221;, during January 2018 to April 2021. All cases were fitted with twin class III blocks.  Results: With the use of the twin blocks the maxillary length increased (49.223 ± 3.4806), the position of the ramus improved (73.265 ± 3.5793) and the location of the porion (37.381 ± 2.6284); in addition, facial convexity was corrected (4.800 ± 7.1800), and the anteroposterior position of the maxilla (SNA= 79.410 ± 3.1429) and the mandible (SNB= 77.948 ± 1.1491). A class I maxillomandibular relationship was achieved (ANB= 1.397 ± 1.1491) and an adequate anatomical joint relationship was established (Fg-S= 18.423; Cma-FH= -0.345; Cd-PVt= 30.478).  Conclusions: Twin blocks allow correction of skeletal class III by modifying the internal structure, maxillomandibular and temporomandibular joint position of patients with Moyers class III syndrome.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[bloques gemelos]]></kwd>
<kwd lng="es"><![CDATA[aparatos ortodóncicos funcionales]]></kwd>
<kwd lng="es"><![CDATA[prognatismo]]></kwd>
<kwd lng="es"><![CDATA[retrognatismo]]></kwd>
<kwd lng="es"><![CDATA[articulación temporomandibular]]></kwd>
<kwd lng="en"><![CDATA[twin blocks]]></kwd>
<kwd lng="en"><![CDATA[functional orthodontic appliances]]></kwd>
<kwd lng="en"><![CDATA[prognathism]]></kwd>
<kwd lng="en"><![CDATA[retrognathism]]></kwd>
<kwd lng="en"><![CDATA[temporomandibular joint]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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