{"id":7536,"date":"2026-08-27T10:00:00","date_gmt":"2026-08-27T10:00:00","guid":{"rendered":"https:\/\/autrandentalacademy.com\/blog\/?p=7536"},"modified":"2026-08-21T08:48:37","modified_gmt":"2026-08-21T08:48:37","slug":"osteonecrosis-maxilar-por-bifosfonatos-etiopatogenia-diagnostico-y-manejo-clinico","status":"publish","type":"post","link":"https:\/\/autrandentalacademy.com\/blog\/osteonecrosis-maxilar-por-bifosfonatos-etiopatogenia-diagnostico-y-manejo-clinico\/","title":{"rendered":"Osteonecrosis maxilar por bifosfonatos: etiopatogenia, diagn\u00f3stico y manejo cl\u00ednico"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_87 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Contenido<\/p>\n<span class=\"ez-toc-title-toggle\"><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/autrandentalacademy.com\/blog\/osteonecrosis-maxilar-por-bifosfonatos-etiopatogenia-diagnostico-y-manejo-clinico\/#Supresion_del_remodelado_oseo\" >Supresi\u00f3n del remodelado \u00f3seo<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/autrandentalacademy.com\/blog\/osteonecrosis-maxilar-por-bifosfonatos-etiopatogenia-diagnostico-y-manejo-clinico\/#Alteracion_de_la_angiogenesis\" >Alteraci\u00f3n de la angiog\u00e9nesis<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/autrandentalacademy.com\/blog\/osteonecrosis-maxilar-por-bifosfonatos-etiopatogenia-diagnostico-y-manejo-clinico\/#Infeccion_e_inflamacion_cronica\" >Infecci\u00f3n e inflamaci\u00f3n cr\u00f3nica<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/autrandentalacademy.com\/blog\/osteonecrosis-maxilar-por-bifosfonatos-etiopatogenia-diagnostico-y-manejo-clinico\/#Microtraumatismos_repetidos\" >Microtraumatismos repetidos<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/autrandentalacademy.com\/blog\/osteonecrosis-maxilar-por-bifosfonatos-etiopatogenia-diagnostico-y-manejo-clinico\/#Factores_farmacologicos\" >Factores farmacol\u00f3gicos<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/autrandentalacademy.com\/blog\/osteonecrosis-maxilar-por-bifosfonatos-etiopatogenia-diagnostico-y-manejo-clinico\/#Factores_locales\" >Factores locales<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/autrandentalacademy.com\/blog\/osteonecrosis-maxilar-por-bifosfonatos-etiopatogenia-diagnostico-y-manejo-clinico\/#Factores_sistemicos\" >Factores sist\u00e9micos<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/autrandentalacademy.com\/blog\/osteonecrosis-maxilar-por-bifosfonatos-etiopatogenia-diagnostico-y-manejo-clinico\/#Paciente_en_riesgo\" >Paciente en riesgo<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/autrandentalacademy.com\/blog\/osteonecrosis-maxilar-por-bifosfonatos-etiopatogenia-diagnostico-y-manejo-clinico\/#Estadio_0\" >Estadio 0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/autrandentalacademy.com\/blog\/osteonecrosis-maxilar-por-bifosfonatos-etiopatogenia-diagnostico-y-manejo-clinico\/#Estadio_1\" >Estadio 1<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/autrandentalacademy.com\/blog\/osteonecrosis-maxilar-por-bifosfonatos-etiopatogenia-diagnostico-y-manejo-clinico\/#Estadio_2\" >Estadio 2<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/autrandentalacademy.com\/blog\/osteonecrosis-maxilar-por-bifosfonatos-etiopatogenia-diagnostico-y-manejo-clinico\/#Estadio_3\" >Estadio 3<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/autrandentalacademy.com\/blog\/osteonecrosis-maxilar-por-bifosfonatos-etiopatogenia-diagnostico-y-manejo-clinico\/#Estudios_complementarios\" >Estudios complementarios<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/autrandentalacademy.com\/blog\/osteonecrosis-maxilar-por-bifosfonatos-etiopatogenia-diagnostico-y-manejo-clinico\/#Antes_de_iniciar_el_tratamiento_antirresortivo\" >Antes de iniciar el tratamiento antirresortivo<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/autrandentalacademy.com\/blog\/osteonecrosis-maxilar-por-bifosfonatos-etiopatogenia-diagnostico-y-manejo-clinico\/#Durante_el_tratamiento\" >Durante el tratamiento<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/autrandentalacademy.com\/blog\/osteonecrosis-maxilar-por-bifosfonatos-etiopatogenia-diagnostico-y-manejo-clinico\/#Tratamiento_conservador\" >Tratamiento conservador<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/autrandentalacademy.com\/blog\/osteonecrosis-maxilar-por-bifosfonatos-etiopatogenia-diagnostico-y-manejo-clinico\/#Tratamiento_quirurgico\" >Tratamiento quir\u00fargico<\/a><\/li><\/ul><\/nav><\/div>\n\n<p class=\"wp-block-paragraph\">La <strong>osteonecrosis maxilar por bifosfonatos<\/strong> (ONMB) constituye una de las complicaciones m\u00e1s relevantes asociadas al uso de f\u00e1rmacos antirresortivos en odontolog\u00eda y cirug\u00eda oral. Aunque su incidencia es relativamente baja en pacientes tratados por osteoporosis, el riesgo aumenta significativamente en pacientes oncol\u00f3gicos sometidos a tratamientos intravenosos de alta potencia.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Desde la publicaci\u00f3n de los primeros casos por parte de American Association of Oral and Maxillofacial Surgeons en 2003, la comprensi\u00f3n de esta patolog\u00eda ha evolucionado considerablemente. Actualmente, el t\u00e9rmino m\u00e1s aceptado es <strong>Medication-Related Osteonecrosis of the Jaw (MRONJ)<\/strong>, ya que engloba no solo los bifosfonatos, sino tambi\u00e9n otros agentes antirresortivos y antiangiog\u00e9nicos.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">No obstante, la <strong>osteonecrosis maxilar por bifosfonatos<\/strong> contin\u00faa siendo una de las entidades m\u00e1s estudiadas debido a su impacto cl\u00ednico y a la frecuencia con la que los odont\u00f3logos atienden pacientes bajo este tipo de medicaci\u00f3n.<\/p>\n\n\n\n<div class=\"wp-block-is-calls-to-actions-embed\"><!-- Inbound Suite Call To Action: Button -->\n<div class=\"is-calls-to-action is-calls-to-action--button\">\n  <div class=\"is-calls-to-action__wrapper\">\n    <a  \n      aria-label=\"&iexcl;Domina la implantolog&iacute;a y periodoncia! \u27a1\ufe0f Descarga GRATIS tu eBook y perfecciona tus tratamientos odontol&oacute;gicos\" \n      href=\"https:\/\/autrandentalacademy.com\/blog\/recursos\/implantologia-y-periodoncia-especificaciones-clinicas-a-tomar-en-cuenta-y-tecnicas-quirurgicas\/?utm_source=inboundcycle&amp;utm_medium=blog&amp;utm_campaign=CTA\" \n      onclick=\"is_calls_to_action__track_click_6858()\"\n      class=\"is-calls-to-action__link\" \n      target=\"_blank\">\n              <div class=\"is-calls-to-action__title\">\n          &iexcl;Domina la implantolog&iacute;a y periodoncia! \u27a1\ufe0f Descarga GRATIS tu eBook y perfecciona tus tratamientos odontol&oacute;gicos        <\/div>\n          <\/a>\n    <script>\n  ga('send', 'event', {\n    eventCategory: 'CTA Texto - Ebook Implantolog\u00eda y Periodoncia',\n    eventAction: 'view',\n    eventLabel: 'https:\/\/autrandentalacademy.com\/blog\/wp-json\/wp\/v2\/posts\/7536'\n  });\n\n  function is_calls_to_action__track_click_6858() {\n    ga('send', 'event', {\n      eventCategory: 'CTA Texto - Ebook Implantolog\u00eda y Periodoncia',\n      eventAction: 'click',\n      eventLabel: 'https:\/\/autrandentalacademy.com\/blog\/wp-json\/wp\/v2\/posts\/7536',\n    });\n  }\n<\/script>\n\n  <\/div>\n<\/div>\n<!-- end Inbound Suite Call To Action: Button --><\/div>\n\n\n\n<h1 class=\"wp-block-heading\">\u00bfQu\u00e9 es la osteonecrosis maxilar por bifosfonatos?<\/h1>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1022\" src=\"https:\/\/autrandentalacademy.com\/blog\/wp-content\/uploads\/2026\/08\/a8af621e-9ce9-4ed7-a05a-abb0d9536e44.jpeg\" alt=\"\" class=\"wp-image-7538\" style=\"aspect-ratio:1.00195967425859;width:480px;height:auto\" srcset=\"https:\/\/autrandentalacademy.com\/blog\/wp-content\/uploads\/2026\/08\/a8af621e-9ce9-4ed7-a05a-abb0d9536e44.jpeg 1024w, https:\/\/autrandentalacademy.com\/blog\/wp-content\/uploads\/2026\/08\/a8af621e-9ce9-4ed7-a05a-abb0d9536e44-400x400.jpeg 400w, https:\/\/autrandentalacademy.com\/blog\/wp-content\/uploads\/2026\/08\/a8af621e-9ce9-4ed7-a05a-abb0d9536e44-150x150.jpeg 150w, https:\/\/autrandentalacademy.com\/blog\/wp-content\/uploads\/2026\/08\/a8af621e-9ce9-4ed7-a05a-abb0d9536e44-768x767.jpeg 768w, https:\/\/autrandentalacademy.com\/blog\/wp-content\/uploads\/2026\/08\/a8af621e-9ce9-4ed7-a05a-abb0d9536e44-320x319.jpeg 320w, https:\/\/autrandentalacademy.com\/blog\/wp-content\/uploads\/2026\/08\/a8af621e-9ce9-4ed7-a05a-abb0d9536e44-480x479.jpeg 480w, https:\/\/autrandentalacademy.com\/blog\/wp-content\/uploads\/2026\/08\/a8af621e-9ce9-4ed7-a05a-abb0d9536e44-980x978.jpeg 980w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">La <strong>osteonecrosis maxilar por bifosfonatos<\/strong> se define como la presencia de hueso maxilar o mandibular expuesto, o que puede ser sondado a trav\u00e9s de una f\u00edstula intraoral o extraoral, persistente durante m\u00e1s de ocho semanas en pacientes tratados con bifosfonatos y sin antecedentes de radioterapia en los maxilares.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Se trata de una patolog\u00eda multifactorial caracterizada por una alteraci\u00f3n de la remodelaci\u00f3n \u00f3sea, deterioro de la vascularizaci\u00f3n local y dificultad para la cicatrizaci\u00f3n tras agresiones quir\u00fargicas o infecciosas.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">\u00bfQu\u00e9 son los bifosfonatos?<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Los bifosfonatos son f\u00e1rmacos antirresortivos utilizados para inhibir la actividad osteocl\u00e1stica y reducir la p\u00e9rdida \u00f3sea.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Sus principales indicaciones incluyen:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Osteoporosis.\u00a0<\/li>\n\n\n\n<li>Osteopenia de alto riesgo.\u00a0<\/li>\n\n\n\n<li>Enfermedad de Paget.\u00a0<\/li>\n\n\n\n<li>Met\u00e1stasis \u00f3seas.\u00a0<\/li>\n\n\n\n<li>Mieloma m\u00faltiple.\u00a0<\/li>\n\n\n\n<li>Hipercalcemia maligna.\u00a0<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Entre los principios activos m\u00e1s utilizados destacan:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Alendronato\u00a0<\/li>\n\n\n\n<li>Risedronato\u00a0<\/li>\n\n\n\n<li>Ibandronato\u00a0<\/li>\n\n\n\n<li>\u00c1cido zoledr\u00f3nico\u00a0<\/li>\n\n\n\n<li>Pamidronato\u00a0<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">La elevada afinidad de estos f\u00e1rmacos por el tejido \u00f3seo explica su larga permanencia en el esqueleto incluso a\u00f1os despu\u00e9s de la suspensi\u00f3n del tratamiento.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">Etiopatogenia de la osteonecrosis maxilar por bifosfonatos<\/h1>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"687\" src=\"https:\/\/autrandentalacademy.com\/blog\/wp-content\/uploads\/2026\/08\/49455890-ead7-47d9-8728-fef13a063920.jpeg\" alt=\"\" class=\"wp-image-7539\" style=\"aspect-ratio:1.4905592369756286;width:720px;height:auto\" srcset=\"https:\/\/autrandentalacademy.com\/blog\/wp-content\/uploads\/2026\/08\/49455890-ead7-47d9-8728-fef13a063920.jpeg 1024w, https:\/\/autrandentalacademy.com\/blog\/wp-content\/uploads\/2026\/08\/49455890-ead7-47d9-8728-fef13a063920-400x268.jpeg 400w, https:\/\/autrandentalacademy.com\/blog\/wp-content\/uploads\/2026\/08\/49455890-ead7-47d9-8728-fef13a063920-768x515.jpeg 768w, https:\/\/autrandentalacademy.com\/blog\/wp-content\/uploads\/2026\/08\/49455890-ead7-47d9-8728-fef13a063920-320x215.jpeg 320w, https:\/\/autrandentalacademy.com\/blog\/wp-content\/uploads\/2026\/08\/49455890-ead7-47d9-8728-fef13a063920-480x322.jpeg 480w, https:\/\/autrandentalacademy.com\/blog\/wp-content\/uploads\/2026\/08\/49455890-ead7-47d9-8728-fef13a063920-980x657.jpeg 980w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">La fisiopatolog\u00eda de la <strong>osteonecrosis maxilar por bifosfonatos<\/strong> sigue siendo objeto de investigaci\u00f3n, aunque existen varios mecanismos ampliamente aceptados.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Supresion_del_remodelado_oseo\"><\/span>Supresi\u00f3n del remodelado \u00f3seo<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">La inhibici\u00f3n prolongada de la actividad osteocl\u00e1stica disminuye la capacidad de reparaci\u00f3n del tejido \u00f3seo sometido a microtraumatismos continuos.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Alteracion_de_la_angiogenesis\"><\/span>Alteraci\u00f3n de la angiog\u00e9nesis<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Algunos bifosfonatos presentan efectos antiangiog\u00e9nicos que podr\u00edan comprometer la vascularizaci\u00f3n local y dificultar los procesos de cicatrizaci\u00f3n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Infeccion_e_inflamacion_cronica\"><\/span>Infecci\u00f3n e inflamaci\u00f3n cr\u00f3nica<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">La presencia de enfermedad periodontal, infecciones periapicales o procesos inflamatorios persistentes puede actuar como desencadenante de la necrosis \u00f3sea.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Microtraumatismos_repetidos\"><\/span>Microtraumatismos repetidos<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">La actividad funcional diaria genera cargas constantes sobre los maxilares, especialmente en zonas con alta remodelaci\u00f3n \u00f3sea como la mand\u00edbula posterior.<\/p>\n\n\n\n<div class=\"wp-block-is-calls-to-actions-embed\"><!-- end Inbound Suite Call To Action: Image -->\n<div class=\"is-calls-to-action is-calls-to-action--image\">\n  <div class=\"is-calls-to-action__wrapper\">\n    <a \n      aria-label=\"\" \n      onclick=\"is_calls_to_action__track_click_6856()\"\n      href=\"https:\/\/autrandentalacademy.com\/blog\/recursos\/implantologia-y-periodoncia-especificaciones-clinicas-a-tomar-en-cuenta-y-tecnicas-quirurgicas\/?utm_source=inboundcycle&amp;utm_medium=blog&amp;utm_campaign=CTA\" \n      class=\"is-calls-to-action__link\" \n      target=\"_blank\">\n              <div class=\"is-calls-to-action__ebook\">\n          <img loading=\"lazy\" decoding=\"async\" alt=\"\" \n          src=\"https:\/\/autrandentalacademy.com\/blog\/wp-content\/uploads\/2025\/03\/AUT-Implantologia-y-periodoncia-CTA-Post-980x413.png\" \n          width=\"980\" \n          height=\"413\">\n        <\/div>\n          <\/a>\n    <script>\n  ga('send', 'event', {\n    eventCategory: 'CTA Imagen - Ebook Implantolog\u00eda y Periodoncia',\n    eventAction: 'view',\n    eventLabel: 'https:\/\/autrandentalacademy.com\/blog\/wp-json\/wp\/v2\/posts\/7536'\n  });\n\n  function is_calls_to_action__track_click_6856() {\n    ga('send', 'event', {\n      eventCategory: 'CTA Imagen - Ebook Implantolog\u00eda y Periodoncia',\n      eventAction: 'click',\n      eventLabel: 'https:\/\/autrandentalacademy.com\/blog\/wp-json\/wp\/v2\/posts\/7536',\n    });\n  }\n<\/script>\n\n  <\/div>\n<\/div>\n<!-- end Inbound Suite Call To Action: Image -->\n<\/div>\n\n\n\n<h1 class=\"wp-block-heading\">Factores de riesgo asociados<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">La aparici\u00f3n de <strong>osteonecrosis maxilar por bifosfonatos<\/strong> depende de m\u00faltiples factores.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Factores_farmacologicos\"><\/span>Factores farmacol\u00f3gicos<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Potencia del bifosfonato.\u00a0<\/li>\n\n\n\n<li>V\u00eda de administraci\u00f3n.\u00a0<\/li>\n\n\n\n<li>Duraci\u00f3n del tratamiento.\u00a0<\/li>\n\n\n\n<li>Dosis acumulada.\u00a0<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">El \u00e1cido zoledr\u00f3nico intravenoso presenta el mayor riesgo documentado.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Factores_locales\"><\/span>Factores locales<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Extracciones dentales.\u00a0<\/li>\n\n\n\n<li>Cirug\u00eda implantol\u00f3gica.\u00a0<\/li>\n\n\n\n<li>Cirug\u00eda periodontal.\u00a0<\/li>\n\n\n\n<li>Enfermedad periodontal activa.\u00a0<\/li>\n\n\n\n<li>Pr\u00f3tesis mal ajustadas.\u00a0<\/li>\n\n\n\n<li>Infecciones odontog\u00e9nicas.\u00a0<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Las extracciones dentales siguen siendo el principal factor desencadenante descrito en la literatura.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Factores_sistemicos\"><\/span>Factores sist\u00e9micos<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Diabetes mellitus.\u00a0<\/li>\n\n\n\n<li>Tabaquismo.\u00a0<\/li>\n\n\n\n<li>Corticoterapia prolongada.\u00a0<\/li>\n\n\n\n<li>Inmunosupresi\u00f3n.\u00a0<\/li>\n\n\n\n<li>Edad avanzada.\u00a0<\/li>\n\n\n\n<li>Tratamientos oncol\u00f3gicos concomitantes.\u00a0<\/li>\n<\/ul>\n\n\n\n<h1 class=\"wp-block-heading\">Manifestaciones cl\u00ednicas<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">La presentaci\u00f3n cl\u00ednica es variable seg\u00fan el estadio evolutivo.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Los signos y s\u00edntomas m\u00e1s frecuentes incluyen:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Exposici\u00f3n \u00f3sea persistente.\u00a0<\/li>\n\n\n\n<li>Dolor espont\u00e1neo o provocado.\u00a0<\/li>\n\n\n\n<li>Inflamaci\u00f3n de tejidos blandos.\u00a0<\/li>\n\n\n\n<li>Supuraci\u00f3n.\u00a0<\/li>\n\n\n\n<li>Halitosis.\u00a0<\/li>\n\n\n\n<li>Movilidad dentaria.\u00a0<\/li>\n\n\n\n<li>F\u00edstulas intraorales.\u00a0<\/li>\n\n\n\n<li>Parestesias.\u00a0<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">En estadios avanzados pueden producirse fracturas patol\u00f3gicas y afectaci\u00f3n extensa de los maxilares.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">Clasificaci\u00f3n cl\u00ednica seg\u00fan la AAOMS<\/h1>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"678\" height=\"1024\" src=\"https:\/\/autrandentalacademy.com\/blog\/wp-content\/uploads\/2026\/08\/85eed400-65e4-428d-9306-e3bcf736b142.jpeg\" alt=\"\" class=\"wp-image-7540\" style=\"aspect-ratio:0.6621120437243803;width:327px;height:auto\" srcset=\"https:\/\/autrandentalacademy.com\/blog\/wp-content\/uploads\/2026\/08\/85eed400-65e4-428d-9306-e3bcf736b142.jpeg 678w, https:\/\/autrandentalacademy.com\/blog\/wp-content\/uploads\/2026\/08\/85eed400-65e4-428d-9306-e3bcf736b142-265x400.jpeg 265w, https:\/\/autrandentalacademy.com\/blog\/wp-content\/uploads\/2026\/08\/85eed400-65e4-428d-9306-e3bcf736b142-320x483.jpeg 320w, https:\/\/autrandentalacademy.com\/blog\/wp-content\/uploads\/2026\/08\/85eed400-65e4-428d-9306-e3bcf736b142-480x725.jpeg 480w\" sizes=\"auto, (max-width: 678px) 100vw, 678px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Paciente_en_riesgo\"><\/span>Paciente en riesgo<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Pacientes tratados con bifosfonatos sin signos cl\u00ednicos de osteonecrosis.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Estadio_0\"><\/span>Estadio 0<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Ausencia de exposici\u00f3n \u00f3sea, pero presencia de s\u00edntomas o alteraciones radiogr\u00e1ficas compatibles.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Estadio_1\"><\/span>Estadio 1<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Exposici\u00f3n \u00f3sea asintom\u00e1tica sin signos infecciosos.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Estadio_2\"><\/span>Estadio 2<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Exposici\u00f3n \u00f3sea acompa\u00f1ada de dolor e infecci\u00f3n local.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Estadio_3\"><\/span>Estadio 3<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Necrosis extensa con complicaciones como:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Fracturas patol\u00f3gicas.\u00a0<\/li>\n\n\n\n<li>Comunicaci\u00f3n oroantral.\u00a0<\/li>\n\n\n\n<li>Oste\u00f3lisis extensa.\u00a0<\/li>\n\n\n\n<li>F\u00edstulas extraorales.\u00a0<\/li>\n<\/ul>\n\n\n\n<h1 class=\"wp-block-heading\">Diagn\u00f3stico de la osteonecrosis maxilar por bifosfonatos<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">El diagn\u00f3stico es fundamentalmente cl\u00ednico.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Los criterios diagn\u00f3sticos incluyen:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Tratamiento actual o previo con bifosfonatos.\u00a0<\/li>\n\n\n\n<li>Exposici\u00f3n \u00f3sea persistente superior a ocho semanas.\u00a0<\/li>\n\n\n\n<li>Ausencia de radioterapia en los maxilares.\u00a0<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Estudios_complementarios\"><\/span>Estudios complementarios<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Radiograf\u00eda panor\u00e1mica<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Permite identificar:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u00c1reas de osteoesclerosis.\u00a0<\/li>\n\n\n\n<li>Secuestros \u00f3seos.\u00a0<\/li>\n\n\n\n<li>Alteraciones trabeculares.\u00a0<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Tomograf\u00eda computarizada (CBCT)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Actualmente constituye la prueba de elecci\u00f3n para valorar:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Extensi\u00f3n de la lesi\u00f3n.\u00a0<\/li>\n\n\n\n<li>Integridad cortical.\u00a0<\/li>\n\n\n\n<li>Afectaci\u00f3n tridimensional.\u00a0<\/li>\n<\/ul>\n\n\n\n<h1 class=\"wp-block-heading\">Prevenci\u00f3n odontol\u00f3gica<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">La prevenci\u00f3n contin\u00faa siendo la estrategia m\u00e1s eficaz frente a la <strong>osteonecrosis maxilar por bifosfonatos<\/strong>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Antes_de_iniciar_el_tratamiento_antirresortivo\"><\/span>Antes de iniciar el tratamiento antirresortivo<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Se recomienda:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Exploraci\u00f3n odontol\u00f3gica completa.\u00a0<\/li>\n\n\n\n<li>Eliminaci\u00f3n de focos infecciosos.\u00a0<\/li>\n\n\n\n<li>Tratamiento periodontal.\u00a0<\/li>\n\n\n\n<li>Extracciones necesarias antes de iniciar la medicaci\u00f3n.\u00a0<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Durante_el_tratamiento\"><\/span>Durante el tratamiento<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Revisiones peri\u00f3dicas.\u00a0<\/li>\n\n\n\n<li>Mantenimiento periodontal estricto.\u00a0<\/li>\n\n\n\n<li>Control de placa.\u00a0<\/li>\n\n\n\n<li>Minimizaci\u00f3n de procedimientos invasivos.\u00a0<\/li>\n<\/ul>\n\n\n\n<h1 class=\"wp-block-heading\">Manejo cl\u00ednico y tratamiento<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">El tratamiento debe individualizarse seg\u00fan el estadio de la enfermedad.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Tratamiento_conservador\"><\/span>Tratamiento conservador<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Indicado principalmente en estadios iniciales.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Incluye:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Enjuagues con clorhexidina.\u00a0<\/li>\n\n\n\n<li>Control de placa.\u00a0<\/li>\n\n\n\n<li>Analgesia.\u00a0<\/li>\n\n\n\n<li>Antibioterapia cuando exista infecci\u00f3n.\u00a0<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Tratamiento_quirurgico\"><\/span>Tratamiento quir\u00fargico<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Puede estar indicado en:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Secuestros \u00f3seos sintom\u00e1ticos.\u00a0<\/li>\n\n\n\n<li>Lesiones avanzadas.\u00a0<\/li>\n\n\n\n<li>Fracturas patol\u00f3gicas.\u00a0<\/li>\n\n\n\n<li>Casos refractarios al manejo conservador.\u00a0<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Las t\u00e9cnicas actuales buscan minimizar la agresi\u00f3n quir\u00fargica y favorecer el cierre mucoso primario.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">Papel del odont\u00f3logo en la prevenci\u00f3n de la MRONJ<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">El odont\u00f3logo desempe\u00f1a un papel fundamental en todas las fases del proceso:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Identificaci\u00f3n de pacientes de riesgo.\u00a0<\/li>\n\n\n\n<li>Educaci\u00f3n preventiva.\u00a0<\/li>\n\n\n\n<li>Planificaci\u00f3n de tratamientos invasivos.\u00a0<\/li>\n\n\n\n<li>Seguimiento cl\u00ednico peri\u00f3dico.\u00a0<\/li>\n\n\n\n<li>Coordinaci\u00f3n con m\u00e9dicos prescriptores.\u00a0<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Una adecuada comunicaci\u00f3n interdisciplinar mejora significativamente el pron\u00f3stico de estos pacientes.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">Conclusi\u00f3n<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">La <strong>osteonecrosis maxilar por bifosfonatos<\/strong> contin\u00faa siendo una complicaci\u00f3n de gran relevancia en odontolog\u00eda, especialmente en pacientes oncol\u00f3gicos tratados con bifosfonatos intravenosos. Aunque la incidencia es relativamente baja en pacientes osteopor\u00f3ticos, el conocimiento de los factores de riesgo, los criterios diagn\u00f3sticos y las estrategias preventivas resulta esencial para cualquier profesional que realice procedimientos dentales invasivos.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La prevenci\u00f3n sigue siendo la medida m\u00e1s eficaz, y el diagn\u00f3stico precoz permite implementar tratamientos conservadores que pueden mejorar significativamente el pron\u00f3stico cl\u00ednico.<\/p>\n\n\n\n<div class=\"wp-block-is-calls-to-actions-embed\"><!-- end Inbound Suite Call To Action: Image -->\n<div class=\"is-calls-to-action is-calls-to-action--image\">\n  <div class=\"is-calls-to-action__wrapper\">\n    <a \n      aria-label=\"\" \n      onclick=\"is_calls_to_action__track_click_6434()\"\n      href=\"https:\/\/autrandentalacademy.com\/blog\/recursos\/solicita-ya-tu-asesoramiento-personalizado-por-nuestros-expertos\/?utm_source=inboundcycle&amp;utm_medium=blog&amp;utm_campaign=CTA\" \n      class=\"is-calls-to-action__link\" \n      target=\"_blank\">\n              <div class=\"is-calls-to-action__ebook\">\n          <img loading=\"lazy\" decoding=\"async\" alt=\"\" \n          src=\"https:\/\/autrandentalacademy.com\/blog\/wp-content\/uploads\/2024\/10\/AUT-CTA-oferta-comercial-BOFU-Post-negro.gif\" \n          width=\"600\" \n          height=\"210\">\n        <\/div>\n          <\/a>\n    <script>\n  ga('send', 'event', {\n    eventCategory: 'CTA Gif - Asesoramiento Expertos',\n    eventAction: 'view',\n    eventLabel: 'https:\/\/autrandentalacademy.com\/blog\/wp-json\/wp\/v2\/posts\/7536'\n  });\n\n  function is_calls_to_action__track_click_6434() {\n    ga('send', 'event', {\n      eventCategory: 'CTA Gif - Asesoramiento Expertos',\n      eventAction: 'click',\n      eventLabel: 'https:\/\/autrandentalacademy.com\/blog\/wp-json\/wp\/v2\/posts\/7536',\n    });\n  }\n<\/script>\n\n  <\/div>\n<\/div>\n<!-- end Inbound Suite Call To Action: Image -->\n<\/div>\n\n\n\n<h1 class=\"wp-block-heading\">Preguntas frecuentes (FAQs)<\/h1>\n\n\n\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-1787298855660\"><strong class=\"schema-faq-question\">\u00bfCu\u00e1l es el principal factor desencadenante de la osteonecrosis maxilar por bifosfonatos?<\/strong> <p class=\"schema-faq-answer\">Las extracciones dentales contin\u00faan siendo el procedimiento m\u00e1s frecuentemente asociado al desarrollo de la lesi\u00f3n.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1787298865291\"><strong class=\"schema-faq-question\">\u00bfTodos los pacientes que toman bifosfonatos tienen el mismo riesgo?<\/strong> <p class=\"schema-faq-answer\">No. El riesgo es significativamente mayor en pacientes oncol\u00f3gicos tratados con bifosfonatos intravenosos de alta potencia.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1787298874142\"><strong class=\"schema-faq-question\">\u00bfLa osteonecrosis afecta m\u00e1s al maxilar o a la mand\u00edbula?<\/strong> <p class=\"schema-faq-answer\">La mand\u00edbula presenta una mayor incidencia, especialmente en sectores posteriores.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1787298884275\"><strong class=\"schema-faq-question\">\u00bfDebe suspenderse el tratamiento con bifosfonatos antes de una extracci\u00f3n?<\/strong> <p class=\"schema-faq-answer\">La decisi\u00f3n debe individualizarse y coordinarse con el m\u00e9dico responsable, ya que la evidencia sobre el beneficio de los \u00abdrug holidays\u00bb sigue siendo controvertida.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1787298896925\"><strong class=\"schema-faq-question\">\u00bfPuede aparecer sin exposici\u00f3n \u00f3sea visible?<\/strong> <p class=\"schema-faq-answer\">S\u00ed. Los casos clasificados como estadio 0 pueden presentar s\u00edntomas cl\u00ednicos y hallazgos radiol\u00f3gicos sin exposici\u00f3n \u00f3sea evidente.<\/p> <\/div> <\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>La osteonecrosis maxilar por bifosfonatos (ONMB) constituye una de las complicaciones m\u00e1s relevantes asociadas al uso de f\u00e1rmacos antirresortivos en odontolog\u00eda y cirug\u00eda oral. Aunque su incidencia es relativamente baja en pacientes tratados por osteoporosis, el riesgo aumenta significativamente en pacientes oncol\u00f3gicos sometidos a tratamientos intravenosos de alta potencia. Desde la publicaci\u00f3n de los primeros [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":7537,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"om_disable_all_campaigns":false,"footnotes":""},"categories":[1],"tags":[27],"ppma_author":[43],"class_list":["post-7536","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-buenas-practicas","tag-estetica-y-composite"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Osteonecrosis maxilar por bifosfonatos: etiopatogenia, diagn\u00f3stico y manejo cl\u00ednico - Blog l Autr\u00e1n Dental Academy<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/autrandentalacademy.com\/blog\/osteonecrosis-maxilar-por-bifosfonatos-etiopatogenia-diagnostico-y-manejo-clinico\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Osteonecrosis maxilar por bifosfonatos: etiopatogenia, diagn\u00f3stico y manejo cl\u00ednico - Blog l Autr\u00e1n Dental Academy\" \/>\n<meta property=\"og:description\" content=\"La osteonecrosis maxilar por bifosfonatos (ONMB) constituye una de las complicaciones m\u00e1s relevantes asociadas al uso de f\u00e1rmacos antirresortivos en odontolog\u00eda y cirug\u00eda oral. Aunque su incidencia es relativamente baja en pacientes tratados por osteoporosis, el riesgo aumenta significativamente en pacientes oncol\u00f3gicos sometidos a tratamientos intravenosos de alta potencia. Desde la publicaci\u00f3n de los primeros [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/autrandentalacademy.com\/blog\/osteonecrosis-maxilar-por-bifosfonatos-etiopatogenia-diagnostico-y-manejo-clinico\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog l Autr\u00e1n Dental Academy\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/AutranAcademy\" \/>\n<meta property=\"article:published_time\" content=\"2026-08-27T10:00:00+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/autrandentalacademy.com\/blog\/wp-content\/uploads\/2026\/08\/c7a74c8d-e327-4796-a029-24da4cccf085.jpeg\" \/>\n\t<meta property=\"og:image:width\" content=\"1024\" \/>\n\t<meta property=\"og:image:height\" content=\"560\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Equipo docente de Autr\u00e1n Dental Academy\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<script 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