<?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>0213-1285</journal-id>
<journal-title><![CDATA[Avances en Odontoestomatología]]></journal-title>
<abbrev-journal-title><![CDATA[Av Odontoestomatol]]></abbrev-journal-title>
<issn>0213-1285</issn>
<publisher>
<publisher-name><![CDATA[Ediciones Avances, S.L.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0213-12852020000400004</article-id>
<article-id pub-id-type="doi">10.4321/s0213-12852020000400004</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Percepción de parámetros estéticos de la sonrisa en Odontólogos, estudiantes de odontología y pacientes de la Universidad Mayor de Santiago, Chile]]></article-title>
<article-title xml:lang="en"><![CDATA[Perception of aesthetic parameters of the smile in dentists, dental students and patients of the University Mayor of Santiago, Chile]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Bofill Fontboté]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Williamson Dargham]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cornejo Urzúa]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Letelier Sepúlveda]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Mayor Facultad de Ciencias Escuela de Odontología]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Mayor Facultad de Ciencias Escuela de Odontología]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Mayor Facultad de Ciencias Escuela de Odontología]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2020</year>
</pub-date>
<volume>36</volume>
<numero>4</numero>
<fpage>191</fpage>
<lpage>199</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_arttext&amp;pid=S0213-12852020000400004&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_abstract&amp;pid=S0213-12852020000400004&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_pdf&amp;pid=S0213-12852020000400004&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Introducción: El análisis de la sonrisa en Odontología es fundamental al efectuar un tratamiento estético dentario. El propósito de este estudio es evaluar la percepción de distintos parámetros estéticos de la sonrisa entre Odontólogos, estudiantes de odontología y pacientes.  Materiales y métodos: Odontólogos, estudiantes de odontología y pacientes evaluaron 5 sets de fotografías de sonrisas a través de encuestas calificadas. Las fotografías fueron agrupadas de acuerdo a modificaciones efectuadas en 3 parámetros estéticos de la sonrisa: contorno gingival, línea labial (subdividida en A y B), y proporción dentaria (subdividida en ancho y largo). Los datos se analizaron mediante Chi-cuadrado.  Resultados: Un 80% de los Odontólogos y estudiantes consideran más atractivo un contorno gingival simétrico, un 73% de los pacientes consideran más atractivo hasta 1 mm de discrepancia del contorno gingival. Con respecto a la Línea labial A, tanto Odontólogos (67%) como estudiantes (77%) encontraron más atractiva una sonrisa con 2 mm de exposición gingival, 67% de los pacientes optaron 1 mm de exposición gingival. Para Línea labial B, 1 mm de exposición gingival fue considerado más atractivo por todos los encuestados. La proporción dentaria considerada mas atractiva entre el ancho del incisivo central y lateral fue 71%, y para ancho/largo del incisivo central fue más atractiva una proporción del 75% esto para los tres grupos encuestados.  Discusión: El contorno gingival fue el parámetro más sensible al momento de evaluar la estética de la sonrisa, para los otros dos parámetros no se encontraron diferencias significativas en las percepciones.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Introduction: Smile analisis in dentistry is essential when performin dental aesthetic treatments. The purpose of this study is to evaluate the perception of different aesthetic parameters of the smile among dentists, dental students and patients.  Materials and methods: Dentists, dental students and patients evaluated 5 sets of smile pictures through qualified surveys. The photographs were grouped according to modifications made in 3 smile aesthetic parameters: gingival contour, lip line (subdivided into A and B), and dental proportion (further subdivided in width and length). Data was statistically analyzed using Chi-square test.  Results: 80% of dentists and students considered more attractive a symmetrical gingival contour, 73% of patients consider more attractive a gingival contour discrepancy up to 1 mm. Regarding Lip Line A, both Dentists (67%) and students (77%) found more attractive a smile with 2 mm of gingival exposure, 67% of patients prefered 1 mm of gingival exposure. Lip Line B, with 1 mm of gingival exposure, was considered more attractive by all respondents. The dental proportion between the width of the central and lateral incisors considered more attractive was 71%; for the width / length of the central incisors, a proportion of 75% was more attractive for the all the groups surveyed.  Discussion: Gingival contour was the most sensitive parameter when evaluating the aesthetics of the smile. No significant diffrences in perception were found for the other two parameters included in this study.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Estética]]></kwd>
<kwd lng="es"><![CDATA[percepción]]></kwd>
<kwd lng="es"><![CDATA[contorno gingival]]></kwd>
<kwd lng="es"><![CDATA[línea labial]]></kwd>
<kwd lng="es"><![CDATA[proporción dentaria]]></kwd>
<kwd lng="es"><![CDATA[sonrisa]]></kwd>
<kwd lng="es"><![CDATA[atractivo]]></kwd>
<kwd lng="es"><![CDATA[parámetro]]></kwd>
<kwd lng="en"><![CDATA[Aesthetics]]></kwd>
<kwd lng="en"><![CDATA[perception]]></kwd>
<kwd lng="en"><![CDATA[gingival contour]]></kwd>
<kwd lng="en"><![CDATA[labial line]]></kwd>
<kwd lng="en"><![CDATA[dental proportion]]></kwd>
<kwd lng="en"><![CDATA[smile]]></kwd>
<kwd lng="en"><![CDATA[attractiveness]]></kwd>
<kwd lng="en"><![CDATA[parameter]]></kwd>
</kwd-group>
</article-meta>
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