<?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>S1029-30192023000200005</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Analgesia por láser de baja potencia en pacientes con tratamiento ortodóncico]]></article-title>
<article-title xml:lang="en"><![CDATA[Low power laser analgesia in patients with orthodontic treatment]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Lozada García]]></surname>
<given-names><![CDATA[Javier]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Peña Sisto]]></surname>
<given-names><![CDATA[Maritza]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cañete Revé]]></surname>
<given-names><![CDATA[Tania]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Naranjo García]]></surname>
<given-names><![CDATA[Ailen]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Castro García]]></surname>
<given-names><![CDATA[Rafael Benito]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital General Docente Dr. Juan Bruno Zayas Alfonso  ]]></institution>
<addr-line><![CDATA[Santiago de Cuba ]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de Ciencias Médicas Facultad de Estomatología ]]></institution>
<addr-line><![CDATA[Santiago de Cuba ]]></addr-line>
<country>Cuba</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>04</month>
<year>2023</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>04</month>
<year>2023</year>
</pub-date>
<volume>27</volume>
<numero>2</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S1029-30192023000200005&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S1029-30192023000200005&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S1029-30192023000200005&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Introducción:  El dolor es el síntoma más común luego de la primera activación de la aparatología ortodóncica. El tratamiento analgésico más utilizado es el paracetamol; sin embargo, su uso inhibe la actividad de la ciclooxigenasa y la síntesis de prostaglandinas, lo que puede afectar el mecanismo del movimiento dental y el remodelado óseo.  Objetivo:  Evaluar la efectividad del láser de baja potencia para el alivio del dolor en pacientes con tratamiento ortodóntico.  Métodos:  Se realizó un estudio cuasiexperimental de intervención terapéutica, desde enero hasta diciembre de 2020, en 40 pacientes atendidos en la consulta de ortodoncia del Hospital General Docente Dr. Juan Bruno Zayas Alfonso de Santiago de Cuba, en quienes se aplicaría fuerza ortodóncica por primera vez. Estos fueron distribuidos de forma aleatoria en 2 grupos de 20 integrantes cada uno: el de estudio, tratado con láser de baja potencia, y el de control, que recibió medicación convencional (paracetamol). Para la validación estadística de la información se emplearon el porcentaje y la prueba de la t de Student para muestras independientes, con 95 % de confiabilidad.  Resultados:  Luego de tres sesiones terapéuticas, 90,0 % del grupo de estudio refirió no presentar dolor o sentirlo de forma leve, mientras que del grupo de control solo 10,0 % de los pacientes fue ubicado en cualquiera de las dos categorías anteriores. Existió diferencia significativa entre ambos grupos (p=0,00).  Conclusiones:  Se demostró que el láser, como terapia alternativa, fue más efectivo que el paracetamol.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Introduction:  Pain is the most common symptom after the first activation of orthodontic appliance. The most widely used analgesic treatment is paracetamol; however, its use inhibits cyclooxygenase activity and prostaglandin synthesis, which can affect the mechanism of tooth movement and bone remodeling.  Objective:  To evaluate the effectiveness of low power laser for pain relief in patients with orthodontic treatment.  Methods:  A quasi-experimental study of therapeutic intervention was carried out, from January to December 2020, in 40 patients treated at the orthodontic clinic of Dr. Juan Bruno Zayas Alfonso Teaching General Hospital in Santiago de Cuba, in whom orthodontic force was applied for the first time. These were randomly distributed into 2 groups of 20 members each: the study group, treated with low-power laser, and the control group, that received conventional medication (paracetamol). For statistical validation of data, the percentage and the Student's t test for independent samples were used, with 95 % confidence interval.  Results:  After three therapeutic sessions, 90.0% of the study group reported not presenting pain or feeling it slightly, while only 10.0% of patients in control group were put in any of the two previous categories. There was a significant difference between both groups (p=0.00).  Conclusions:  Laser, as an alternative therapy, was shown to be more effective than paracetamol.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[dolor asociado a procedimientos médicos]]></kwd>
<kwd lng="es"><![CDATA[técnicas de movimiento dental]]></kwd>
<kwd lng="es"><![CDATA[aparatos ortodóncicos]]></kwd>
<kwd lng="es"><![CDATA[terapia por luz de baja intensidad]]></kwd>
<kwd lng="es"><![CDATA[analgesia]]></kwd>
<kwd lng="en"><![CDATA[procedural pain]]></kwd>
<kwd lng="en"><![CDATA[tooth movement techniques]]></kwd>
<kwd lng="en"><![CDATA[orthodontic appliances]]></kwd>
<kwd lng="en"><![CDATA[low-level light therapy]]></kwd>
<kwd lng="en"><![CDATA[analgesia]]></kwd>
</kwd-group>
</article-meta>
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<name>
<surname><![CDATA[Castro García]]></surname>
<given-names><![CDATA[RB]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Aplicación del láser de baja potencia para el alivio del dolor en pacientes con tratamiento ortodóncico]]></article-title>
<source><![CDATA[MEDISAN]]></source>
<year>2022</year>
<volume>26</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>70-82</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
