<?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>0864-0300</journal-id>
<journal-title><![CDATA[Revista Cubana de Investigaciones Biomédicas]]></journal-title>
<abbrev-journal-title><![CDATA[Rev Cubana Invest Bioméd]]></abbrev-journal-title>
<issn>0864-0300</issn>
<publisher>
<publisher-name><![CDATA[ECIMED]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0864-03002021000100020</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Técnica de doble injerto gingival libre para incremento de encía queratinizada]]></article-title>
<article-title xml:lang="en"><![CDATA[Double gingival free graft technique to increase keratinized gum]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Carreño Pérez]]></surname>
<given-names><![CDATA[Luis]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Castro-Rodríguez]]></surname>
<given-names><![CDATA[Yuri]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Nacional Mayor de San Marcos Facultad de Odontología ]]></institution>
<addr-line><![CDATA[Lima ]]></addr-line>
<country>Peru</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2021</year>
</pub-date>
<volume>40</volume>
<numero>1</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S0864-03002021000100020&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S0864-03002021000100020&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S0864-03002021000100020&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Introducción: La encía queratinizada es un componente importante del complejo mucogingival. Su ausencia puede deberse a recesiones gingivales, traumas, caries radicular, entre otras. La técnica de injerto gingival libre es considerada el estándar de oro, por ser una técnica óptima para aumentar la extensión del vestíbulo y el ancho del tejido queratinizado por sus altas tasas de éxito y predictibilidad clínica.  Objetivo:  El propósito de este caso clínico fue evaluar el uso de una modificación de la técnica del injerto gingival libre.  Presentación de caso:  El caso clínico incluyó aumento de la profundidad del vestíbulo y de la encía queratinizada en ambas zonas del sector anteroinferior, para lo cual se utilizaron las dos hemiarcadas del paladar como la zona dadora del injerto (doble injerto). El caso utilizó un doble injerto gingival libre como técnica novedosa para el aumento gingival. Después de dos meses de cicatrización, se observó reducción de la recesión gingival y un aumento notorio del ancho de la encía queratinizada.  Conclusiones:  La técnica modificada de doble injerto gingival libre, es una buena alternativa para aumentar el grosor de la encía queratinizada en el sector anteroinferior, además de reducir el tiempo posoperatorio y generar una cicatrización uniforme a nivel de la línea mucogingival.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Introduction:  Keratinized gingiva is an important component of the mucogingival complex. Its absence may be due to gingival recessions, trauma, root caries, among others. The free gingival graft technique is considered the gold standard, as it is an optimal technique to increase the extension of the vestibule and the width of the keratinized tissue due to its high success rates and clinical predictability.  Objective:  The purpose of this clinical case was to evaluate the use of a modification of the free gingival graft technique.  Case report:  The clinical case included an increase in the depth of the vestibule as well as the keratinized gingiva in both areas of the anteroinferior sector, for which the two hemiarchates of the palate were used as the graft donor area (double graft). The case used a free double gingival graft as a novel technique for gingival augmentation. After two months of healing, a reduction in the gingival recession was observed, as well as a noticeable increase in the width of the keratinized gingiva.  Conclusions:  The modified free double gingival graft technique is a good alternative to increase the thickness of the keratinized gingiva in the anteroinferior sector, in addition to reducing the post-operative time and generating uniform healing at the level of the mucogingival line.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[gíngiva]]></kwd>
<kwd lng="es"><![CDATA[recesión gingival]]></kwd>
<kwd lng="es"><![CDATA[trasplante de tejido]]></kwd>
<kwd lng="es"><![CDATA[encía]]></kwd>
<kwd lng="es"><![CDATA[tejido conectivo]]></kwd>
<kwd lng="es"><![CDATA[epitelio]]></kwd>
<kwd lng="en"><![CDATA[Gíngiva]]></kwd>
<kwd lng="en"><![CDATA[Gingival recession]]></kwd>
<kwd lng="en"><![CDATA[Tissue grafting]]></kwd>
<kwd lng="en"><![CDATA[Gum]]></kwd>
<kwd lng="en"><![CDATA[Connective tissue]]></kwd>
<kwd lng="en"><![CDATA[Epithelium]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<label>1</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Frisch]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Ratka-Krüger]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Ziebolz]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A New Technique for Increasing Keratinized Tissue Around Dental Implants: The Partially Epithelialized Free Connective Tissue Graft. Retrospective Analysis of a Case Series]]></article-title>
<source><![CDATA[J Oral Implantol]]></source>
<year>2015</year>
<volume>41</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>467-72</page-range></nlm-citation>
</ref>
<ref id="B2">
<label>2</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hatipoglu]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Keceli]]></surname>
<given-names><![CDATA[HG]]></given-names>
</name>
<name>
<surname><![CDATA[Güncü]]></surname>
<given-names><![CDATA[GN]]></given-names>
</name>
<name>
<surname><![CDATA[Sengün]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Tözüm]]></surname>
<given-names><![CDATA[TF]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Vertical and horizontal dimensional evaluation of free gingival grafts in the anterior mandible: a case report series]]></article-title>
<source><![CDATA[Clin Oral Invest]]></source>
<year>2007</year>
<volume>11</volume>
<page-range>107-13</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[Yalamanchili]]></surname>
<given-names><![CDATA[PS]]></given-names>
</name>
<name>
<surname><![CDATA[Pavithra]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Potluri]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Arunima]]></surname>
<given-names><![CDATA[PR]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Root Coverage using Double Papilla Preservation Flap: A Case Report]]></article-title>
<source><![CDATA[J Int Oral Health]]></source>
<year>2014</year>
<volume>6</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>8284</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[Goyal]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Gupta]]></surname>
<given-names><![CDATA[ND]]></given-names>
</name>
<name>
<surname><![CDATA[Gupta]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Chawla]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Free Gingival Graft as a Single Step Procedure for Treatment of Mandibular Miller Class I and II Recession Defects]]></article-title>
<source><![CDATA[World J Plast Surg]]></source>
<year>2019</year>
<volume>8</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>12-7</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[Deo]]></surname>
<given-names><![CDATA[SD]]></given-names>
</name>
<name>
<surname><![CDATA[Shetty]]></surname>
<given-names><![CDATA[SK]]></given-names>
</name>
<name>
<surname><![CDATA[Kulloli]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Chavan]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Dholakia]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Ligade]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Efficacy of free gingival graft in the treatment of Miller Class I and Class II localized gingival recessions: A systematic review]]></article-title>
<source><![CDATA[J Indian Soc Periodontol]]></source>
<year>2019</year>
<volume>23</volume>
<page-range>93-9</page-range></nlm-citation>
</ref>
<ref id="B6">
<label>6</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bethaz]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Romano]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Ferrarotti]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Mariani]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Aimetti]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A Mucogingival Technique for the Treatment of Multiple Recession Defects in the Mandibular Anterior Region: A Case Series with a 2-Year Follow-Up]]></article-title>
<source><![CDATA[Int J Periodontics Restorative Dent]]></source>
<year>2014</year>
<volume>34</volume>
<page-range>345-52</page-range></nlm-citation>
</ref>
<ref id="B7">
<label>7</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cortellini]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Tonetti]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Prato]]></surname>
<given-names><![CDATA[GP]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The partly epithelialized free gingival graft (pe-fgg) at lower incisors. A pilot study with implications for alignment of the mucogingival junction]]></article-title>
<source><![CDATA[J Clin Periodontol]]></source>
<year>2012</year>
<volume>39</volume>
<page-range>674-80</page-range></nlm-citation>
</ref>
<ref id="B8">
<label>8</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Vijayendra]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Suchetha]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Jaganath]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Gurfan]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Two-step procedure for root coverage using a free gingival graft and a subepithelial connective tissue graft]]></article-title>
<source><![CDATA[Indian J Dent Res]]></source>
<year>2011</year>
<volume>22</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>478-81</page-range></nlm-citation>
</ref>
<ref id="B9">
<label>9</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Imano]]></surname>
<given-names><![CDATA[MH]]></given-names>
</name>
<name>
<surname><![CDATA[Cunha]]></surname>
<given-names><![CDATA[EJ]]></given-names>
</name>
<name>
<surname><![CDATA[Storrer]]></surname>
<given-names><![CDATA[CL]]></given-names>
</name>
<name>
<surname><![CDATA[Deliberador]]></surname>
<given-names><![CDATA[TM]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A modified free gingival graft technique for gaining vertical and horizontal soft tissue augmentation]]></article-title>
<source><![CDATA[J Indian Soc Periodontol]]></source>
<year>2019</year>
<volume>23</volume>
<page-range>77-80</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[Karaskis]]></surname>
<given-names><![CDATA[AS]]></given-names>
</name>
<name>
<surname><![CDATA[Güler]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[Hatipoglu]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The effect of different gingival phenotypes on dimensional stability of free gingival graft: A comparative 6 months clinical study]]></article-title>
<source><![CDATA[J Periodontol]]></source>
<year>2019</year>
<volume>90</volume>
<numero>7</numero>
<issue>7</issue>
<page-range>709-17</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[Park]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Widening Keratinized Tissue Using Modified Free Gingival Graft]]></article-title>
<source><![CDATA[J Oral Implantol]]></source>
<year>2016</year>
<volume>42</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>114-6</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[Abhyankar]]></surname>
<given-names><![CDATA[V]]></given-names>
</name>
<name>
<surname><![CDATA[Wong]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Mascarenhas]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Treatment of a Mandibular Anterior Lingual Recession Defect with Minimally Invasive Laterally Closed Tunneling Technique and Sub-Epithelial Connective Tissue Graft]]></article-title>
<source><![CDATA[Int Arch Oral Maxillofac Surg]]></source>
<year>2018</year>
<volume>2</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>1-5</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[Jenabian]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Bahabadi]]></surname>
<given-names><![CDATA[MY]]></given-names>
</name>
<name>
<surname><![CDATA[Bijani]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Rad]]></surname>
<given-names><![CDATA[MR]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Gingival Unit Graft Versus Free Gingival Graft for Treatment of Gingival Recession: A Randomized Controlled Clinical Trial]]></article-title>
<source><![CDATA[J Dent (Teheran)]]></source>
<year>2016</year>
<volume>13</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>184-92</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[Lim]]></surname>
<given-names><![CDATA[HCh]]></given-names>
</name>
<name>
<surname><![CDATA[An]]></surname>
<given-names><![CDATA[SCh]]></given-names>
</name>
<name>
<surname><![CDATA[Lee]]></surname>
<given-names><![CDATA[DW]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A retrospective comparison of three modalities for vestibuloplasty in the posterior mandible: apically positioned flap only vs. free gingival graft vs. collagen matrix]]></article-title>
<source><![CDATA[Clin Oral Investig]]></source>
<year>2018</year>
<volume>22</volume>
<page-range>2121-8</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
