<?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>S0034-75072022000200003</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Intensidad lumínica de las lámparas de fotocurado LED en los consultorios odontológicos de Piura, Perú]]></article-title>
<article-title xml:lang="en"><![CDATA[Output intensity of LED light curing units in dental offices of Piura, Peru]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Palacios Rivas]]></surname>
<given-names><![CDATA[Crista Gadith]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cruz Flores]]></surname>
<given-names><![CDATA[Dora Denisse]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ibáñez Sevilla]]></surname>
<given-names><![CDATA[Carmen Teresa]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ruiz Barrueto]]></surname>
<given-names><![CDATA[Miguel Angel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad César Vallejo Facultad de Ciencias de la Salud Escuela Profesional de Estomatología]]></institution>
<addr-line><![CDATA[Piura ]]></addr-line>
<country>Peru</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Nacional de Trujillo Escuela de Posgrado Sección de Ciencias Médicas]]></institution>
<addr-line><![CDATA[Trujillo ]]></addr-line>
<country>Peru</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2022</year>
</pub-date>
<volume>59</volume>
<numero>2</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S0034-75072022000200003&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S0034-75072022000200003&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S0034-75072022000200003&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Introducción:  La lámpara de fotocurado, que utiliza diodos emisores de luz (LED), se emplea en odontología para la conversión polimérica de los materiales de restauración dental. Se ha comunicado que una intensidad lumínica inadecuada de la lámpara no aseguraría la correcta polimerización del material de restauración.  Objetivo:  Determinar la intensidad lumínica de las lámparas de fotocurado LED en consultorios odontológicos de la ciudad de Piura, Perú, 2020.  Métodos: Estudio observacional, descriptivo. Se midió la intensidad lumínica en 70 lámparas de fotocurado LED, usando un radiómetro con una longitud de onda de 400-500 nm, con capacidad de medida de la intensidad lumínica de hasta 3500 mw/cm2. Por debajo de los 400 mw/cm2 indica intensidad baja, de 400 a 800 mw/cm2 intensidad media, de 800 a 1200 mw/cm2 intensidad alta y por encima de los 1200 mw/cm2 indica intensidad muy alta.  Resultados: El 48,5 % de las lámparas analizadas presentaban intensidad media, el 22,86 % intensidad alta, mientras que el 15,71 % intensidad baja y finalmente el 12,86 % de las lámparas presentaban intensidad muy alta. Se reportó menor frecuencia de lámparas con mayor uso clínico.  Conclusiones: Las lámparas de fotocurado LED, utilizadas en los consultorios dentales de la provincia de Piura durante el 2020, emiten una intensidad lumínica promedio de 778,14 mW/cm2, equivalente a la intensidad media.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Introduction:  Light curing lamps that use light-emitting diodes (LED) are used in dentistry for the polymeric conversion of dental restorative materials. It has been reported that inadequate light intensity in the lamp would not ensure the appropriate polymerization of restorative materials.  Objective:  Determine the output intensity of LED light curing units used in dental offices of the city of Piura, Peru, in the year 2020.  Methods: An observational descriptive study was conducted. Measurements were taken of the light output of 70 LED light curing lamps using a radiometer with a wavelength of 400-500 nm and a light intensity measurement capacity of up to 3 500 mw/cm2. Intensity below 400 mw/cm2 was recorded as low, from 400 to 800 mw/cm2 as medium, from 800 a 1 200 mw/cm2 as high and above 1 200 mw/cm2 as very high.  Results: Intensity was medium in 48.5% of the lamps analyzed, high in 22.86%, low in 15.71% and very high in 12.86%. A lower frequency of lamps with greater clinical use was reported.  Conclusions: The LED light curing lamps used in dental offices of the province of Piura during the year 2020 emit an average output intensity of 778.14 mW/cm2, which corresponds to medium intensity.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[consultorio odontológico]]></kwd>
<kwd lng="es"><![CDATA[luz visible]]></kwd>
<kwd lng="es"><![CDATA[ondas electromagnéticas]]></kwd>
<kwd lng="es"><![CDATA[intensidad]]></kwd>
<kwd lng="es"><![CDATA[equipo dental]]></kwd>
<kwd lng="es"><![CDATA[vida útil]]></kwd>
<kwd lng="en"><![CDATA[dental office]]></kwd>
<kwd lng="en"><![CDATA[visible light]]></kwd>
<kwd lng="en"><![CDATA[electromagnetic waves]]></kwd>
<kwd lng="en"><![CDATA[intensity]]></kwd>
<kwd lng="en"><![CDATA[dental equipment]]></kwd>
<kwd lng="en"><![CDATA[useful life]]></kwd>
</kwd-group>
</article-meta>
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