<?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>0120-0011</journal-id>
<journal-title><![CDATA[Revista de la Facultad de Medicina]]></journal-title>
<abbrev-journal-title><![CDATA[rev.fac.med.]]></abbrev-journal-title>
<issn>0120-0011</issn>
<publisher>
<publisher-name><![CDATA[Universidad Nacional de Colombia]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0120-00112021000200205</article-id>
<article-id pub-id-type="doi">10.15446/revfacmed.v69n2.77902</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Chilean dentists' knowledge of hearing loss generated by occupational noise exposure]]></article-title>
<article-title xml:lang="es"><![CDATA[Conocimiento de odontólogos chilenos sobre la pérdida auditiva generada por exposición ocupacional al ruido]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Yévenes-Briones]]></surname>
<given-names><![CDATA[Humberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Carrasco-Alarcón]]></surname>
<given-names><![CDATA[Pablo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sanhueza]]></surname>
<given-names><![CDATA[Hernán]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Acevedo]]></surname>
<given-names><![CDATA[Nicole]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Venturelli]]></surname>
<given-names><![CDATA[Rocío]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Morales]]></surname>
<given-names><![CDATA[Camilo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Autónoma de Madrid Faculty of Medicine Department of Preventive Medicine and Public Health]]></institution>
<addr-line><![CDATA[Madrid ]]></addr-line>
<country>Spain</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Católica de Temuco Faculty of Health Sciences Department of Therapeutic Processes]]></institution>
<addr-line><![CDATA[Temuco ]]></addr-line>
<country>Chile</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2021</year>
</pub-date>
<volume>69</volume>
<numero>2</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0120-00112021000200205&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0120-00112021000200205&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0120-00112021000200205&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Introduction: Dentists are a population at high risk of hearing loss due to their constant exposure to instruments that can generate noise of up to 100 dB during their practice.  Objective: To determine the level of knowledge of dentists working in Chile regarding hearing loss caused by exposure to noise generated by dental instruments.  Materials and methods: A cross-sectional study was conducted in 114 dentists, who completed a virtual survey of 22 questions regarding the perception and level of knowledge about hearing loss due to exposure to loud noises and about national regulations on occupational noise exposure. Differences between perception and knowledge levels were evaluated taking into account the years of professional practice and the average weekly workload in dental treatment rooms. Descriptive and inferential statistics (Chi-squared test) were used for data analysis.  Results: Most participants were Chilean (99.1%); 58.8% were women, and 72.8% had less than 10 years of professional experience. In addition, 97.4% were unaware of national regulations on occupational noise exposure and 50% of the sample reported having experienced hearing loss; of these, 57.9% (n = 32) associated it with their practice.  Conclusions: A very low percentage of participants knew that there are regulations regarding occupational noise exposure. For this reason, it is important that, both during their training and their professional practice, dentists in Chile have greater access to information about these regulations and hearing protection measures.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Introducción. Los odontólogos son una población con un alto riesgo de desarrollar pérdida auditiva debido a la constante exposición a instrumentales que deben usar en su práctica profesional y que pueden generar ruidos de hasta 100 dB.  Objetivo. Determinar el nivel de conocimiento de odontólogos laboralmente activos en Chile respecto a la pérdida auditiva causada por la exposición al ruido generado por maquinarias dentales.  Materiales y métodos. Estudio transversal realizado en 114 odontólogos, quienes diligenciaron una encuesta virtual de 22 preguntas relativas a la percepción y el nivel de conocimiento sobre pérdida auditiva por exposición a ruidos fuertes y sobre la normativa nacional respecto a exposición ocupacional al ruido. Se evaluaron las diferencias entre percepción y niveles de conocimiento según los años de ejercicio profesional y la carga promedio de trabajo semanal en boxes de atención. Para el análisis de los datos se utilizó estadística descriptiva e inferencial (prueba de chi-cuadrado).  Resultados. La mayoría de participantes eran chilenos (99.1%); el 58.8% fueron mujeres, y el 72.8% tenía menos de 10 años de ejercicio profesional. Además, el 97.4% desconocía las regulaciones nacionales sobre exposición ocupacional al ruido y el 50% reportó haber experimentado pérdida auditiva; de estos, 57.9% (n=32) lo asoció a su profesión.  Conclusiones. Un muy bajo porcentaje de los participantes sabe que hay disposiciones sobre exposición ocupacional al ruido, por lo que es importante que, tanto en su formación, como durante su ejercicio profesional, los odontólogos en Chile tengan un mayor acceso a información relativa a estas normativas y a medidas ocupacionales de protección auditiva.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Dentists]]></kwd>
<kwd lng="en"><![CDATA[Hearing Loss]]></kwd>
<kwd lng="en"><![CDATA[Occupational Health]]></kwd>
<kwd lng="en"><![CDATA[Hearing Loss, Noise-induced (MeSH)]]></kwd>
<kwd lng="es"><![CDATA[Odontólogos]]></kwd>
<kwd lng="es"><![CDATA[Pérdida auditiva]]></kwd>
<kwd lng="es"><![CDATA[Salud laboral]]></kwd>
<kwd lng="es"><![CDATA[Pérdida auditiva provocada por ruido (DeCS)]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<label>1</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gil-Loyzaga]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Pujol]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Fisiología del receptor y la vía auditiva]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Fernandez-Tresguerres]]></surname>
<given-names><![CDATA[JA]]></given-names>
</name>
<name>
<surname><![CDATA[Ariznavarreta-Ruiz]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Cachofeiro]]></surname>
<given-names><![CDATA[V]]></given-names>
</name>
<name>
<surname><![CDATA[Cardinali]]></surname>
<given-names><![CDATA[DP]]></given-names>
</name>
<name>
<surname><![CDATA[Escrich-Escriche]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Gil-Loyzaga]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
</person-group>
<source><![CDATA[Fisiología Humana]]></source>
<year>2010</year>
<edition>4th</edition>
<page-range>227-38</page-range><publisher-loc><![CDATA[México D.F. ]]></publisher-loc>
<publisher-name><![CDATA[McGraw-Hill Companies Inc]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B2">
<label>2</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Echeverría-Palacio]]></surname>
<given-names><![CDATA[CM]]></given-names>
</name>
<name>
<surname><![CDATA[Uscátegui-Daccarett]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Talero-Gutiérrez]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Integración auditiva, visual y propioceptiva como sustrato del desarrollo del lenguaje]]></article-title>
<source><![CDATA[Rev Fac Med]]></source>
<year>2018</year>
<volume>66</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>469-75</page-range></nlm-citation>
</ref>
<ref id="B3">
<label>3</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Olarieta]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[García-Alcántara]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Pérez]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Rivera]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Hipoacusia]]></article-title>
<source><![CDATA[Medicine (Baltimore)]]></source>
<year>2015</year>
<volume>11</volume>
<numero>91</numero>
<issue>91</issue>
<page-range>5445-54</page-range></nlm-citation>
</ref>
<ref id="B4">
<label>4</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rodríguez-Fernández]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
<name>
<surname><![CDATA[Alfonso-Muñoz]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Aspectos epidemiológicos del trauma acústico en personal expuesto a ruido intenso]]></article-title>
<source><![CDATA[Rev Cubana Cir]]></source>
<year>2012</year>
<volume>51</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>125-32</page-range></nlm-citation>
</ref>
<ref id="B5">
<label>5</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Medina-Medina]]></surname>
<given-names><![CDATA[Á]]></given-names>
</name>
<name>
<surname><![CDATA[Velásquez-Gómez]]></surname>
<given-names><![CDATA[GI]]></given-names>
</name>
<name>
<surname><![CDATA[Giraldo-Vargas]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Henao-Ayora]]></surname>
<given-names><![CDATA[LM]]></given-names>
</name>
<name>
<surname><![CDATA[Vásquez-Trespañacios]]></surname>
<given-names><![CDATA[EM.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Sordera ocupacional: una revisión de su etiología y estrategias de prevención]]></article-title>
<source><![CDATA[CES Salud Pública]]></source>
<year>2013</year>
<volume>4</volume>
<page-range>116-24</page-range></nlm-citation>
</ref>
<ref id="B6">
<label>6</label><nlm-citation citation-type="book">
<collab>World Health Organization (WHO)</collab>
<source><![CDATA[Deafness and hearing loss]]></source>
<year>2019</year>
<publisher-loc><![CDATA[Geneva ]]></publisher-loc>
<publisher-name><![CDATA[WHO]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B7">
<label>7</label><nlm-citation citation-type="book">
<collab>Chile. Instituto de Salud Pública, Ministerio de Salud (Minsal)</collab>
<source><![CDATA[Instructivo para la aplicación del D.S No 594/99 del Minsal, título IV, párrafo 3° agentes físicos - ruido]]></source>
<year>2011</year>
<publisher-loc><![CDATA[Santiago de Chile ]]></publisher-loc>
<publisher-name><![CDATA[Minsal]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B8">
<label>8</label><nlm-citation citation-type="book">
<collab>Unión General de Trabajadores (UGT)</collab>
<source><![CDATA[Hipoacusia laboral por ruido]]></source>
<year>2009</year>
<publisher-loc><![CDATA[Catalunya ]]></publisher-loc>
<publisher-name><![CDATA[UGT]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B9">
<label>9</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gurbuz]]></surname>
<given-names><![CDATA[MK]]></given-names>
</name>
<name>
<surname><![CDATA[Çatli]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Cingi]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Yaz]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Bal]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Occupational safety threats among dental personnel and related risk factors]]></article-title>
<source><![CDATA[J Craniofac Surg]]></source>
<year>2013</year>
<volume>24</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>2e599-602</page-range></nlm-citation>
</ref>
<ref id="B10">
<label>10</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Myers]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[John]]></surname>
<given-names><![CDATA[AB]]></given-names>
</name>
<name>
<surname><![CDATA[Kimball]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Fruits]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Prevalence of tinnitus and noise-induced hearing loss in dentists]]></article-title>
<source><![CDATA[Noise Health]]></source>
<year>2016</year>
<volume>18</volume>
<numero>85</numero>
<issue>85</issue>
<page-range>347-54</page-range></nlm-citation>
</ref>
<ref id="B11">
<label>11</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Khaimook]]></surname>
<given-names><![CDATA[W]]></given-names>
</name>
<name>
<surname><![CDATA[Suksamae]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Choosong]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Chayarpham]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Tantisarasart]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The Prevalence of Noise-Induced Occupational Hearing Loss in Dentistry Personnel]]></article-title>
<source><![CDATA[Workplace Health Saf]]></source>
<year>2014</year>
<volume>62</volume>
<numero>9</numero>
<issue>9</issue>
<page-range>357-60</page-range></nlm-citation>
</ref>
<ref id="B12">
<label>12</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Alabdulwahhab]]></surname>
<given-names><![CDATA[BM]]></given-names>
</name>
<name>
<surname><![CDATA[Alduraiby]]></surname>
<given-names><![CDATA[RI]]></given-names>
</name>
<name>
<surname><![CDATA[Ahmed]]></surname>
<given-names><![CDATA[MA]]></given-names>
</name>
<name>
<surname><![CDATA[Albatli]]></surname>
<given-names><![CDATA[LI]]></given-names>
</name>
<name>
<surname><![CDATA[Alhumain]]></surname>
<given-names><![CDATA[MS]]></given-names>
</name>
<name>
<surname><![CDATA[Softah]]></surname>
<given-names><![CDATA[NA]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Hearing loss and its association with occupational noise exposure among Saudi dentists: a cross-sectional study]]></article-title>
<source><![CDATA[BDJ Open]]></source>
<year>2016</year>
<volume>2</volume>
<page-range>16006</page-range></nlm-citation>
</ref>
<ref id="B13">
<label>13</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Messano]]></surname>
<given-names><![CDATA[GA]]></given-names>
</name>
<name>
<surname><![CDATA[Petti]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[General dental practitioners and hearing impairment]]></article-title>
<source><![CDATA[J Dent]]></source>
<year>2012</year>
<volume>40</volume>
<numero>10</numero>
<issue>10</issue>
<page-range>821-8</page-range></nlm-citation>
</ref>
<ref id="B14">
<label>14</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Willershausen]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[Callaway]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Wolf]]></surname>
<given-names><![CDATA[TG]]></given-names>
</name>
<name>
<surname><![CDATA[Ehlers]]></surname>
<given-names><![CDATA[V]]></given-names>
</name>
<name>
<surname><![CDATA[Scholz]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Wolf]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Hearing assessment in dental practitioners and other academic professionals from an urban setting]]></article-title>
<source><![CDATA[Head Face Med]]></source>
<year>2014</year>
<volume>10</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>1-7</page-range></nlm-citation>
</ref>
<ref id="B15">
<label>15</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Theodoroff]]></surname>
<given-names><![CDATA[SM]]></given-names>
</name>
<name>
<surname><![CDATA[Folmer]]></surname>
<given-names><![CDATA[RL.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Hearing loss associated with long-term exposure to high-speed dental handpieces]]></article-title>
<source><![CDATA[Gen Dent]]></source>
<year>2015</year>
<volume>63</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>71-6</page-range></nlm-citation>
</ref>
<ref id="B16">
<label>16</label><nlm-citation citation-type="book">
<collab>Chile. Instituto de Salud Pública, Ministerio de Salud (Minsal)</collab>
<source><![CDATA[Protocolo para la medición del ruido impulsivo en los lugares de trabajo]]></source>
<year>2012</year>
<publisher-loc><![CDATA[Santiago de Chile ]]></publisher-loc>
<publisher-name><![CDATA[Minsal]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B17">
<label>17</label><nlm-citation citation-type="">
<collab>Chile. Ministerio de Salud</collab>
<source><![CDATA[Decreto 594 de 1999 (septiembre 15): Aprueba reglamento sobre condiciones sanitarias y ambientales básicas en los lugares de trabajo]]></source>
<year>2000</year>
<publisher-loc><![CDATA[Santiago de Chile ]]></publisher-loc>
</nlm-citation>
</ref>
<ref id="B18">
<label>18</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ferrando]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[Chirife]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Jaquett]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Exposición a ruidos por el ejercicio profesional en docentes odontólogos]]></article-title>
<source><![CDATA[Revista de Odontopediatría Latinoamericana]]></source>
<year>2012</year>
<volume>2</volume>
<numero>1</numero>
<issue>1</issue>
</nlm-citation>
</ref>
<ref id="B19">
<label>19</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lazarotto-Schettini]]></surname>
<given-names><![CDATA[SR]]></given-names>
</name>
<name>
<surname><![CDATA[de Oliveira-Goncalves]]></surname>
<given-names><![CDATA[CG.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Quality of life, perception and knowledge of dentists on noise]]></article-title>
<source><![CDATA[Rev CEFAC]]></source>
<year>2017</year>
<volume>19</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>782-91</page-range></nlm-citation>
</ref>
<ref id="B20">
<label>20</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hernández-Sampieri]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Fernández-Collado]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Baptista-Lucio]]></surname>
<given-names><![CDATA[MP.]]></given-names>
</name>
</person-group>
<source><![CDATA[Metodología de la Investigación]]></source>
<year>2014</year>
<edition>6th</edition>
<publisher-loc><![CDATA[México D.F. ]]></publisher-loc>
<publisher-name><![CDATA[McGraw Hill]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B21">
<label>21</label><nlm-citation citation-type="confpro">
<collab>World Medical Association (WMA)</collab>
<source><![CDATA[WMA Declaration of Helsinki - Ethical principles for medical research involving human subjects]]></source>
<year>2013</year>
<conf-name><![CDATA[ 64thWMA General Assembly]]></conf-name>
<conf-loc>Fortaleza </conf-loc>
</nlm-citation>
</ref>
<ref id="B22">
<label>22</label><nlm-citation citation-type="">
<collab>Chile. Ministerio de Salud</collab>
<source><![CDATA[Subsecretaría de Salud Pública. Ley 20120 de 2006 (septiembre 7): Sobre la investigación científica en el ser humano, su genoma, y prohibe la clonación humana]]></source>
<year>2006</year>
<publisher-loc><![CDATA[Santiago de Chile ]]></publisher-loc>
</nlm-citation>
</ref>
<ref id="B23">
<label>23</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Al-Ali]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[Hashim]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Occupational health problems of dentists in the United Arab Emirates]]></article-title>
<source><![CDATA[Int Dent J]]></source>
<year>2012</year>
<volume>62</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>52-6</page-range></nlm-citation>
</ref>
<ref id="B24">
<label>24</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gijbels]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Jacobs]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Princen]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[Nackaerts]]></surname>
<given-names><![CDATA[O]]></given-names>
</name>
<name>
<surname><![CDATA[Debruyne]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Potential occupational health problems for dentists in Flanders, Belgium]]></article-title>
<source><![CDATA[Clin Oral Investig]]></source>
<year>2006</year>
<volume>10</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>8-16</page-range></nlm-citation>
</ref>
<ref id="B25">
<label>25</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Khan]]></surname>
<given-names><![CDATA[AA]]></given-names>
</name>
<name>
<surname><![CDATA[Qasmi]]></surname>
<given-names><![CDATA[SA]]></given-names>
</name>
<name>
<surname><![CDATA[Askari]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Shakoor]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Junejo]]></surname>
<given-names><![CDATA[SB.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Prevalence of noise inducted hearing loss among dentists working in Karachi, Pakistan]]></article-title>
<source><![CDATA[Pakistan Oral Dent J]]></source>
<year>2014</year>
<volume>34</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>174-7</page-range></nlm-citation>
</ref>
<ref id="B26">
<label>26</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Campos]]></surname>
<given-names><![CDATA[PD]]></given-names>
</name>
<name>
<surname><![CDATA[Bozza]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Ferrari]]></surname>
<given-names><![CDATA[DV.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Hearing aid handling skills: relationship with satisfaction and benefit]]></article-title>
<source><![CDATA[Codas]]></source>
<year>2014</year>
<volume>26</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>10-6</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
