<?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>2529-850X</journal-id>
<journal-title><![CDATA[Journal of Negative and No Positive Results]]></journal-title>
<abbrev-journal-title><![CDATA[JONNPR]]></abbrev-journal-title>
<issn>2529-850X</issn>
<publisher>
<publisher-name><![CDATA[Research and Science S.L.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2529-850X2022000100004</article-id>
<article-id pub-id-type="doi">10.19230/jonnpr.4064</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Valoración del tratamiento del bruxismo mediante toxina botulínica]]></article-title>
<article-title xml:lang="en"><![CDATA[Assessment of the treatment of bruxism by botulinum toxin]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Marcos-Navarro]]></surname>
<given-names><![CDATA[Ana Belén]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Romero-de Ávila]]></surname>
<given-names><![CDATA[Mario]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Tarraga-Marcos]]></surname>
<given-names><![CDATA[Loreto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Madrona-Marcos]]></surname>
<given-names><![CDATA[Fatima]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Tarraga-López]]></surname>
<given-names><![CDATA[Pedro J]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Castilla la Mancha  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>España</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Hospital de Almansa  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>España</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Hospital Clínico Lozano Blesa de Zaragoza  ]]></institution>
<addr-line><![CDATA[Zaragoza ]]></addr-line>
<country>España</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,EAP Zona 5 de Albacete  ]]></institution>
<addr-line><![CDATA[Albacete ]]></addr-line>
<country>España</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,niversidad de Castilla la Mancha  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>España</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>7</volume>
<numero>1</numero>
<fpage>4</fpage>
<lpage>17</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_arttext&amp;pid=S2529-850X2022000100004&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_abstract&amp;pid=S2529-850X2022000100004&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_pdf&amp;pid=S2529-850X2022000100004&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen El bruxismo se caracteriza por ser una actividad relacionada la activación de los músculos masticatorios de forma repetitiva y habitualmente durante el sueño. La relevancia de esta entidad reside en su asociación con erosiones y movilidad dentarias, fracturas dentales, mialgia e hipertrofia del músculo masetero y o artralgia característica. Si bien de etiología no clara se relaciona con multitud de factores fisiopatológicos. En la actualidad existen multitud de líneas de tratamiento para este problema de salud, tales como: terapia cognitivo-conductual, férulas de oclusión o de descarga, opciones farmacológicas como benzodiacepinas, y dopamina. Estas medidas habitualmente sirven como manejo de los signos y síntomas derivados del bruxismo, pero la eficacia de todas ella no es total. Actualmente, ante la necesidad de búsqueda de otras opciones terapéuticas al problema del bruxismo, múltiples ensayos han centrado su atención en la utilización de la toxina botulínica como alternativa, teniendo en cuenta su eficacia para una amplia variedad de patologías médicas y estéticas. El objetivo de esta puesta al día es actualizar el conocimiento a fecha actual de la evidencia existente acerca de la utilización de la toxina botulínica en el tratamiento del bruxismo. Para ello se seleccionan las revisiones sistemáticas existentes que incluyen los principales ensayos clínicos aleatorizados disponibles.  Método. Revisión bibliográfica en las principales bases de datos utilizando las palabras &#8220;bruxismo&#8221; y/o &#8220;toxina botulínica&#8221;  Resultados. Tras el análisis de las diferentes revisiones podemos decir que todos los resultados apuntan en la misma dirección: que las inyecciones de toxina botulínica en el masetero y / o los músculos temporales pueden ser una opción de tratamiento válida en pacientes con bruxismo, ya que pueden mejorar la calidad de vida. A excepción de la revisión sistemática de Ågren, que no ven evidencia mediante los ensayos que registran la actividad electromiográfica y fuerza de mordida para recomendar en el momento actual el uso de toxina botulínica como tratamiento del bruxismo.  Conclusiones. las infiltraciones de toxina botulínica pueden reducir la frecuencia de los episodios de bruxismo, así como la fuerza masticatoria, y disminuir los niveles de dolor derivados del mismo, lo que se traduce en una mejora en la calidad de vida de los pacientes, con un bajo porcentaje de efectos secundarios.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Bruxism is characterized by being an activity related to the activation of the chewing muscles repeatedly and usually during sleep. The relevance of this entity resides in its association with tooth erosions and mobility, dental fractures, myalgia and hypertrophy of the masseter muscle and or characteristic arthralgia. Although its etiology is not clear, it is related to a multitude of pathophysiological factors. Currently there are many lines of treatment for this health problem, such as: cognitive-behavioral therapy, occlusion or discharge splints, pharmacological options such as benzodiazepines, and dopamine. These measures usually serve to manage the signs and symptoms derived from bruxism, but the effectiveness of all of them is not total. Currently, faced with the need to search for other therapeutic options for the problem of bruxism, multiple trials have focused their attention on the use of botulinum toxin as an alternative, taking into account its efficacy for a wide variety of medical and aesthetic pathologies. The objective of this update is to update the knowledge to date of the existing evidence about the use of botulinum toxin in the treatment of bruxism. For this, the existing systematic reviews that include the main available randomized clinical trials are selected.  Method. Bibliographic review in the main databases using the words "bruxism" and / or "botulinum toxin"  Results. After the analysis of the different reviews we can say that all the results point in the same direction: that botulinum toxin injections in the masseter and / or temporal muscles can be a valid treatment option in patients with bruxism, since they can improve the quality of life. With the exception of the systematic review by Ågren et al, 28 who do not see evidence through the tests that record electromyographic activity and bite force to recommend the use of botulinum toxin as a treatment for bruxism at the present time.  Conclusions. botulinum toxin infiltrations can reduce the frequency of bruxism episodes, as well as the chewing force, and reduce pain levels derived from it, which translates into an improvement in the quality of life of patients, with a low percentage of side effects.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[bruxismo]]></kwd>
<kwd lng="es"><![CDATA[Toxina botulínica]]></kwd>
<kwd lng="es"><![CDATA[Calidad de vida]]></kwd>
<kwd lng="en"><![CDATA[bruxism]]></kwd>
<kwd lng="en"><![CDATA[Botulinum toxin]]></kwd>
<kwd lng="en"><![CDATA[Quality of life]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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