<?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>1870-199X</journal-id>
<journal-title><![CDATA[Revista odontológica mexicana]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Odont. Mex]]></abbrev-journal-title>
<issn>1870-199X</issn>
<publisher>
<publisher-name><![CDATA[Universidad Nacional Autónoma de México, Facultad de Odontología]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1870-199X2021000300257</article-id>
<article-id pub-id-type="doi">10.22201/fo.1870199xp.2021.25.3.83098</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Implantes cigomáticos. Alternativa de tratamiento en maxilar atrófico. Reporte de caso clínico]]></article-title>
<article-title xml:lang="en"><![CDATA[Zygomatic implants. An alternative treatment in atrophic maxilla. Clinical case report]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hernández Nava]]></surname>
<given-names><![CDATA[Dayanira Lorelay]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[López Noriega]]></surname>
<given-names><![CDATA[Juan Carlos]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rodríguez Tizcareño]]></surname>
<given-names><![CDATA[Mario Humberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Kawakami Solís]]></surname>
<given-names><![CDATA[Enrique Kenji]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Nacional Autónoma de México Facultad de Odontología ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Nacional Autónoma de México Facultad de Odontología ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Latinoamericana  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>09</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>09</month>
<year>2021</year>
</pub-date>
<volume>25</volume>
<numero>3</numero>
<fpage>257</fpage>
<lpage>263</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1870-199X2021000300257&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1870-199X2021000300257&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1870-199X2021000300257&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN Establecer un plan de tratamiento ideal en pacientes con atrofia maxilar severa se ha convertido en un verdadero reto; protesista y cirujano maxilofacial deberán trabajar en interdisciplina para poder rehabilitar al paciente de forma integral. La reabsorción alveolar anterior y la neumatización de los senos maxilares reduce la posibilidad de colocar implantes endoóseos de forma convencional. Se han ideado múltiples procedimientos quirúrgicos con el fin de aumentar el volumen del reborde residual, no obstante, la reconstrucción alveolar no logra mejorar las condiciones óseas o, simplemente, debido a la severidad de la reabsorción, se deben realizar múltiples cirugías o largos periodos de espera. Branemark en 1990, ideó una nueva alternativa para rehabilitar pacientes con atrofia maxilar severa, mediante la colocación de implantes cigomáticos para la rehabilitación total del maxilar, sin necesidad de realizar injertos previamente. Se presenta caso clínico de paciente desdentada superior e inferior, con atrofia maxilar severa, rehabilitada con cuatro implantes cigomáticos en maxilar y en mandíbula implantes convencionales (All-on-Four) en la Clínica de Implantología del Postgrado de Odontología, UNAM.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT Establishing an ideal treatment plan in patients with severe maxillary atrophy has become a real challenge. Prosthodontists and maxillofacial surgeons should interdisciplinary work to integrally rehabilitate the patient. Anterior alveolar resorption and maxillary sinus pneumatization reduce the possibility of endosseous implant placement by conventional surgery. Therefore, multiple surgical approaches have been devised for residual ridge augmentation. However, alveolar reconstruction fails to improve bone conditions, or simply due to the severity of resorption, multiple surgeries must be performed, or long waiting periods must be endured. In 1990, Branemark introduced a new alternative to rehabilitate patients with severe maxillary atrophy by placing zygomatic implants without prior grafting. A clinical case is presented of an edentulous patient with severe maxillary atrophy, rehabilitated with four zygomatic implants in the maxilla and conventional implants in the mandible («All-on-Four») at the Implantology Clinic of the UNAM, DEPeI.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Edentulismo]]></kwd>
<kwd lng="es"><![CDATA[atrofia maxilar severa]]></kwd>
<kwd lng="es"><![CDATA[implantes cigomáticos]]></kwd>
<kwd lng="es"><![CDATA[injertos óseos]]></kwd>
<kwd lng="en"><![CDATA[Edentulous]]></kwd>
<kwd lng="en"><![CDATA[severe maxillary atrophy]]></kwd>
<kwd lng="en"><![CDATA[zygomatic implants]]></kwd>
<kwd lng="en"><![CDATA[bone grafts]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Stiévenart]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Malevez]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Rehabilitation of totally atrophied maxilla by means of four zygomatic implants and fixed prosthesis: a 6-40-month follow-up]]></article-title>
<source><![CDATA[Int J Oral Maxillofac Surg]]></source>
<year>2010</year>
<volume>39</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>358-63</page-range></nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bedrossian]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Sullivan]]></surname>
<given-names><![CDATA[RM]]></given-names>
</name>
<name>
<surname><![CDATA[Fortin]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
<name>
<surname><![CDATA[Malo]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Indresano]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Fixed-prosthetic implant restoration of the edentulous maxilla: a systematic pretreatment evaluation method]]></article-title>
<source><![CDATA[J Oral Maxillofac Surg]]></source>
<year>2008</year>
<volume>66</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>112-22</page-range></nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bedrossian]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Rehabilitation of the edentulous maxilla with the zygoma concept: A 7-year prospective study]]></article-title>
<source><![CDATA[Int J Oral Maxillofac Implants]]></source>
<year>2010</year>
<volume>25</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>1213-21</page-range></nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bedrossian]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Rescue implant concept: the expanded use of the zygoma implant in the graftless solutions]]></article-title>
<source><![CDATA[Dent Clin North Am]]></source>
<year>2011</year>
<volume>55</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>745-77</page-range></nlm-citation>
</ref>
<ref id="B5">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Adell]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Eriksson]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[Lekholm]]></surname>
<given-names><![CDATA[U]]></given-names>
</name>
<name>
<surname><![CDATA[Branemark]]></surname>
<given-names><![CDATA[PI]]></given-names>
</name>
<name>
<surname><![CDATA[Jemt]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A long-term follow-up study of osseointegrated implants in the treatment of totally edentulous jaws]]></article-title>
<source><![CDATA[Int J Oral Maxillofac Implants]]></source>
<year>1990</year>
<volume>5</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>347-59</page-range></nlm-citation>
</ref>
<ref id="B6">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ferrara]]></surname>
<given-names><![CDATA[ED]]></given-names>
</name>
<name>
<surname><![CDATA[Stella]]></surname>
<given-names><![CDATA[JP]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Restoration of the edentulous maxilla: the case for the zygomatic implants]]></article-title>
<source><![CDATA[J Oral Maxillofac Surg]]></source>
<year>2004</year>
<volume>62</volume>
<numero>11</numero>
<issue>11</issue>
<page-range>1418-22</page-range></nlm-citation>
</ref>
<ref id="B7">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Boyes-Varley]]></surname>
<given-names><![CDATA[JG]]></given-names>
</name>
<name>
<surname><![CDATA[Howes]]></surname>
<given-names><![CDATA[DG]]></given-names>
</name>
<name>
<surname><![CDATA[Lownie]]></surname>
<given-names><![CDATA[JF]]></given-names>
</name>
<name>
<surname><![CDATA[Blackbeard]]></surname>
<given-names><![CDATA[GA]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Surgical modifications to the Branemark zygomaticus protocol in the treatment of the severely resorbed maxilla: a clinical report]]></article-title>
<source><![CDATA[J Oral Maxillofac Implants]]></source>
<year>2003</year>
<volume>18</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>232-7</page-range></nlm-citation>
</ref>
<ref id="B8">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Guerrero Barros]]></surname>
<given-names><![CDATA[CA]]></given-names>
</name>
<name>
<surname><![CDATA[Sabogal García]]></surname>
<given-names><![CDATA[AL]]></given-names>
</name>
</person-group>
<source><![CDATA[Implantes cigomáticos. Atlas de cirugía y prótesis]]></source>
<year>2011</year>
<publisher-loc><![CDATA[Madrid ]]></publisher-loc>
<publisher-name><![CDATA[Ripano]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B9">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Block]]></surname>
<given-names><![CDATA[MS]]></given-names>
</name>
</person-group>
<source><![CDATA[Color atlas of dental implant surgery]]></source>
<year>2011</year>
<edition>3</edition>
<publisher-loc><![CDATA[China ]]></publisher-loc>
<publisher-name><![CDATA[Saunders, Elsevier]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B10">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Aparicio]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
</person-group>
<source><![CDATA[Zygomatic implants: the anatomy guided approach]]></source>
<year>2012</year>
<publisher-loc><![CDATA[London ]]></publisher-loc>
<publisher-name><![CDATA[Quintessence Publishing]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B11">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bedrossian]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Stumpel]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Beckely]]></surname>
<given-names><![CDATA[ML]]></given-names>
</name>
<name>
<surname><![CDATA[Indersano]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The zygomatic implant: preliminary data on treatment of severely resorbed maxillae. A clinical report]]></article-title>
<source><![CDATA[Int J Oral Maxillofac Implants]]></source>
<year>2002</year>
<volume>17</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>861-5</page-range></nlm-citation>
</ref>
<ref id="B12">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Chow]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Hui]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Lee]]></surname>
<given-names><![CDATA[PKM]]></given-names>
</name>
<name>
<surname><![CDATA[Li]]></surname>
<given-names><![CDATA[W]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Zygomatic implants--protocol for immediate occlusal loading: a preliminary report]]></article-title>
<source><![CDATA[J Oral Maxillofac Surg]]></source>
<year>2006</year>
<volume>64</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>804-11</page-range></nlm-citation>
</ref>
<ref id="B13">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kato]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
<name>
<surname><![CDATA[Kizu]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
<name>
<surname><![CDATA[Tonogi]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Ide]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
<name>
<surname><![CDATA[Yamane]]></surname>
<given-names><![CDATA[GY]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Internal structure of zygomatic bone related to zygomatic fixture]]></article-title>
<source><![CDATA[J Oral Maxillofac Surg]]></source>
<year>2005</year>
<volume>63</volume>
<numero>9</numero>
<issue>9</issue>
<page-range>1325-9</page-range></nlm-citation>
</ref>
<ref id="B14">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Nkenke]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Hahn]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Lell]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Wiltfang]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Schultze-Mosgau]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Stech]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Anatomic site evaluation of the zygomatic bone for dental implant placement]]></article-title>
<source><![CDATA[Clin Oral Implants Res]]></source>
<year>2003</year>
<volume>14</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>72-9</page-range></nlm-citation>
</ref>
<ref id="B15">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rigolizzo]]></surname>
<given-names><![CDATA[MB]]></given-names>
</name>
<name>
<surname><![CDATA[Camilli]]></surname>
<given-names><![CDATA[JA]]></given-names>
</name>
<name>
<surname><![CDATA[Francischone]]></surname>
<given-names><![CDATA[CE]]></given-names>
</name>
<name>
<surname><![CDATA[Padovani]]></surname>
<given-names><![CDATA[CR]]></given-names>
</name>
<name>
<surname><![CDATA[Branemark]]></surname>
<given-names><![CDATA[PI]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Zygomatic bone: anatomic bases foe osseointegrated implant anchorage]]></article-title>
<source><![CDATA[Int J Oral Maxillofac Implants]]></source>
<year>2005</year>
<volume>20</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>441-7</page-range></nlm-citation>
</ref>
<ref id="B16">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Wu]]></surname>
<given-names><![CDATA[YQ]]></given-names>
</name>
<name>
<surname><![CDATA[Zhang]]></surname>
<given-names><![CDATA[ZY]]></given-names>
</name>
<name>
<surname><![CDATA[Zhang]]></surname>
<given-names><![CDATA[CP]]></given-names>
</name>
<name>
<surname><![CDATA[Huang]]></surname>
<given-names><![CDATA[W]]></given-names>
</name>
<name>
<surname><![CDATA[Sun]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Zhang]]></surname>
<given-names><![CDATA[ZY]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The installation of zygomatic implants and drilling guide]]></article-title>
<source><![CDATA[Zhonghua Kou Qiang Yi Xue Za Zhi]]></source>
<year>2006</year>
<volume>41</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>140-3</page-range></nlm-citation>
</ref>
<ref id="B17">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ahlgren]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Storksen]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[Tornes]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A study of 25 zygomatic dental implants with 11 to 49 months' follow-up after loading]]></article-title>
<source><![CDATA[Int J Oral Maxillofac Implants]]></source>
<year>2006</year>
<volume>21</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>421-5</page-range></nlm-citation>
</ref>
<ref id="B18">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Al-Nawas]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[Wegener]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Bender]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Wagner]]></surname>
<given-names><![CDATA[W]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Critical soft tissue parameters of the zygomatic implant]]></article-title>
<source><![CDATA[J Clin Periodontol]]></source>
<year>2004</year>
<volume>31</volume>
<numero>7</numero>
<issue>7</issue>
<page-range>497-500</page-range></nlm-citation>
</ref>
<ref id="B19">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bedrossian]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Rangert]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[Stumpel]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Indresano]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Immediate function with the zygomatic implant: a graftless solution for the patient with mild to advanced atrophy of the maxilla]]></article-title>
<source><![CDATA[Int J Oral Maxillofac Implants]]></source>
<year>2006</year>
<volume>21</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>937-42</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
