{"id":7491,"date":"2026-10-22T06:00:00","date_gmt":"2026-10-22T06:00:00","guid":{"rendered":"https:\/\/www.belodonte.es\/?p=7491"},"modified":"2026-08-03T09:25:25","modified_gmt":"2026-08-03T09:25:25","slug":"osteoporosi-maxillars-implicacions-per-cirurgia-oral-implantologia","status":"publish","type":"post","link":"https:\/\/www.belodonte.es\/ca\/osteoporosi-maxillars-implicacions-per-cirurgia-oral-implantologia\/","title":{"rendered":"Osteoporosi i maxil\u00b7lars: implicacions per a la cirurgia oral i la implantologia"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">L&#8217;<strong>osteoporosi<\/strong> \u00e9s una malaltia metab\u00f2lica \u00f2ssia caracteritzada per la reducci\u00f3 de la densitat mineral \u00f2ssia i la deterioraci\u00f3 de la microarquitectura del teixit ossi, la qual cosa augmenta la fragilitat i el risc de fractura. Afecta aproximadament 3,5 milions de persones a Espanya, amb una prevalen\u00e7a molt superior en dones a partir de la menopausa. Les seves implicacions sobre la salut oral s\u00f3n m\u00faltiples i rellevants: afecta la densitat de l&#8217;os maxil\u00b7lar, condiciona l&#8217;\u00e8xit dels implants dentals i genera un risc espec\u00edfic d&#8217;osteonecrosi quan es tracta amb determinats f\u00e0rmacs.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Com afecta l&#8217;osteoporosi a l&#8217;os maxil\u00b7lar i mandibular?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">L&#8217;os dels maxil\u00b7lars no \u00e9s ali\u00e8 a la p\u00e8rdua de densitat mineral que caracteritza a l&#8217;osteoporosi sist\u00e8mica. Estudis de densitometria \u00f2ssia comparativa han trobat una correlaci\u00f3 significativa entre la densitat mineral \u00f2ssia mesura en columna lumbar i maluc (els llocs de refer\u00e8ncia per al diagn\u00f2stic d&#8217;osteoporosi) i la densitat de l&#8217;os alveolar maxil\u00b7lar i mandibular.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La p\u00e8rdua de densitat \u00f2ssia en els maxil\u00b7lars t\u00e9 conseq\u00fc\u00e8ncies cl\u00edniques directes. La reabsorci\u00f3 alveolar \u00e9s m\u00e9s r\u00e0pida i pronunciada en pacients amb osteoporosis, la qual cosa accelera la p\u00e8rdua de suport ossi al voltant de les dents i complica la retenci\u00f3 de les pr\u00f2tesis amovibles en el pacient ed\u00e8ntul.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">El llindar de dolor i el risc de fractura mandibular patol\u00f2gica (sense traumatisme aparent) estan augmentats en els casos m\u00e9s severs de p\u00e8rdua de densitat \u00f2ssia mandibular.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">I la qualitat de l&#8217;os disponible per a la osteointegraci\u00f3 dels implants pot veure&#8217;s compromesa, encara que l&#8217;osteoporosi, per si sola, no \u00e9s una contraindicaci\u00f3 absoluta per a la implantologia.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Quins f\u00e0rmacs per a l&#8217;osteoporosi tenen implicacions en cirurgia oral?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">El tractament farmacol\u00f2gic de l&#8217;osteoporosi inclou diverses fam\u00edlies de f\u00e0rmacs amb implicacions molt diferents per a la cirurgia oral.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Els bifosfonats s\u00f3n el grup m\u00e9s rellevant des del punt de vista del risc quir\u00fargic oral. Inhibeixen l&#8217;activitat dels osteoclasts (les c\u00e8l\u00b7lules responsables de la reabsorci\u00f3 \u00f2ssia), reduint el recanvi ossi i la vascularitzaci\u00f3 de l&#8217;os maxil\u00b7lar. Aquesta acci\u00f3, beneficiosa per a la densitat \u00f2ssia sist\u00e8mica, pot comprometre la capacitat de l&#8217;os maxil\u00b7lar per a cicatritzar despr\u00e9s de procediments invasius, generant el risc d&#8217;osteonecrosi maxil\u00b7lar relacionada amb medicaments (ONMM). Els bifosfonats orals (alendronat, risedronat), utilitzats en l&#8217;osteoporosi, tenen un risc de ONMM significativament menor que els intravenosos (zoledronat, pamidronat), per\u00f2 no nul, especialment en tractaments de llarga durada.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">El denosumab (Prolia) \u00e9s un antic\u00f2s monoclonal antirresortiu que tamb\u00e9 s&#8217;associa a risc d&#8217;osteonecrosi maxil\u00b7lar, amb la particularitat que el seu efecte \u00e9s reversible en suspendre&#8217;l (a difer\u00e8ncia dels bifosfonats, que s&#8217;acumulen en l&#8217;os durant anys).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Els moduladors selectius dels receptors estrog\u00e8nics (SERMs) com el raloxifens i els f\u00e0rmacs anab\u00f2lics com la teriparatida tenen un perfil de risc oral significativament menor que els antirresortius.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Poden col\u00b7locar-se implants dentals en pacients amb osteoporosis?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">L&#8217;osteoporosi no \u00e9s una contraindicaci\u00f3 absoluta per als implants dentals, i l&#8217;evid\u00e8ncia cient\u00edfica disponible recolza que poden obtenir-se bons resultats en pacients osteopor\u00f2tics quan la indicaci\u00f3 i la planificaci\u00f3 s\u00f3n adequades.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">No obstant aix\u00f2, la qualitat de l&#8217;os disponible per a la osteointegraci\u00f3 pot estar redu\u00efda en pacients amb osteoporosi severa, la qual cosa pot requerir una planificaci\u00f3 implantol\u00f2gica m\u00e9s acurada, l&#8217;elecci\u00f3 d&#8217;implants amb caracter\u00edstiques superficials que afavoreixin la osteointegraci\u00f3 en os de baixa densitat, i un per\u00edode d&#8217;osteointegraci\u00f3 m\u00e9s prolongat abans de la c\u00e0rrega prot\u00e8tica.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">El tractament amb bifosfonats o denosumab per a l&#8217;osteoporosi \u00e9s el factor que m\u00e9s condiciona la decisi\u00f3 implantol\u00f2gica, no l&#8217;osteoporosi en si mateixa. En pacients amb bifosfonats orals de curta durada (menys de tres anys) sense factors de risc addicionals, el risc de ONMM periimplant\u00e0ria \u00e9s baix i la implantologia \u00e9s factible amb les precaucions adequades.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">En pacients amb bifosfonats orals de llarga durada o amb antecedents de corticoter\u00e0pia sist\u00e8mica prolongada, la valoraci\u00f3 individualitzada del risc \u00e9s imprescindible abans de planificar qualsevol procediment quir\u00fargic ossi.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Quines precaucions ha de prendre el cirurgi\u00e0 oral en un pacient amb osteoporosi i bifosfonats?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">El protocol d&#8217;atenci\u00f3 al pacient amb osteoporosi en tractament amb antirresortius ha d&#8217;incloure una s\u00e8rie de mesures espec\u00edfiques en cada fase del proc\u00e9s quir\u00fargic.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">En la fase preoperat\u00f2ria, \u00e9s fonamental con\u00e8ixer el f\u00e0rmac exacte, la dosi, la via d&#8217;administraci\u00f3 i la durada del tractament. S&#8217;ha de revisar la funci\u00f3 renal (especialment rellevant per als bifosfonats d&#8217;eliminaci\u00f3 renal) i avaluar la pres\u00e8ncia de factors de risc addicionals com a tabaquisme, diabetis, corticoter\u00e0pia concomitant o radioter\u00e0pia pr\u00e8via a la regi\u00f3 maxil\u00b7lofacial.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">En la fase quir\u00fargica, s&#8217;han de minimitzar el trauma ossi i el temps d&#8217;exposici\u00f3 de l&#8217;os, realitzar un tancament herm\u00e8tic de la ferida quir\u00fargica i evitar en la mesura que sigui possible els procediments que impliquin ostectomia extensa.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">En la fase postoperat\u00f2ria, l&#8217;antibioter\u00e0pia profil\u00e0ctica, les esbandides amb clorhexidina i un seguiment estret de la cicatritzaci\u00f3 s\u00f3n mesures que redueixen el risc de complicacions.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">En Cl\u00ednica Belodonte el protocol d&#8217;atenci\u00f3 al pacient amb antirresortivos inclou la coordinaci\u00f3 amb la metge prescriptor quan la complexitat del cas o la durada del tractament justifiquen una valoraci\u00f3 conjunta del risc-beneficio.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">L&#8217;osteoporosi augmenta el risc de fractura mandibular durant o despr\u00e9s d&#8217;una extracci\u00f3?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">La fractura mandibular patol\u00f2gica durant una extracci\u00f3 \u00e9s una complicaci\u00f3 extremadament infreq\u00fcent, per\u00f2 el seu risc est\u00e0 augmentat en pacients amb osteoporosi greu, especialment quan l&#8217;extracci\u00f3 \u00e9s de dents amb arrels llargues o anquilosades en una mand\u00edbula molt atr\u00f2fica.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">L&#8217;avaluaci\u00f3 radiol\u00f2gica pr\u00e8via mitjan\u00e7ant ortopantomografia i, quan est\u00e0 indicat, CBCT, permet identificar els casos de m\u00e9s risc i planificar la t\u00e8cnica extractiva m\u00e9s segura. En mand\u00edbules molt atr\u00f2fiques amb os de baixa qualitat, la odontosecci\u00f3 sistem\u00e0tica de la dent en fragments abans de la seva extracci\u00f3 redueix de manera significativa la for\u00e7a necess\u00e0ria i el risc de complicacions.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Com pot la salut oral influir sobre l&#8217;osteoporosi sist\u00e8mica?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La relaci\u00f3 entre salut oral i osteoporosi no \u00e9s unidireccional. Existeix evid\u00e8ncia emergent que suggereix que la malaltia periodontal activa, amb la seva c\u00e0rrega inflamat\u00f2ria sist\u00e8mica cr\u00f2nica, pot modular negativament la p\u00e8rdua \u00f2ssia sist\u00e8mica a trav\u00e9s de l&#8217;alliberament continu de mediadors inflamatoris (interleucina-1, factor de necrosi tumoral alfa) que activen l&#8217;activitat osteocl\u00e0stica no sols en els maxil\u00b7lars sin\u00f3 en l&#8217;esquelet en general.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Encara que l&#8217;evid\u00e8ncia de causalitat directa encara est\u00e0 en desenvolupament, mantenir una bona salut periodontal en el pacient amb osteoporosi t\u00e9 sentit tant des del punt de vista oral com sist\u00e8mic.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Preguntes freq\u00fcents sobre osteoporosis i cirurgia oral<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Haig de dir-li al meu cirurgi\u00e0 que prenc Prolia o Sintrom abans d&#8217;una extracci\u00f3?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">S\u00ed, sempre i sense excepci\u00f3. El denosumab (Prolia) \u00e9s un antirresortiu que augmenta el risc d&#8217;osteonecrosi maxil\u00b7lar davant procediments invasius sobre l&#8217;os. Aquesta informaci\u00f3 \u00e9s imprescindible perqu\u00e8 el cirurgi\u00e0 pugui planificar el procediment amb les precaucions adequades i coordinar amb el teu metge si calgu\u00e9s.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Quant temps despr\u00e9s d&#8217;una injecci\u00f3 de Prolia puc operar-me la boca?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">No existeix una finestra de seguretat perfectament definida, ja que el denosumab t\u00e9 una vida mitjana d&#8217;aproximadament un mes, per\u00f2 el seu efecte sobre l&#8217;os persisteix m\u00e9s temps. La recomanaci\u00f3 general \u00e9s evitar els procediments invasius sobre l&#8217;os en el per\u00edode de m\u00e9s efecte del f\u00e0rmac (primer mes despr\u00e9s de la injecci\u00f3) i planificar la cirurgia, quan sigui electiva, en coordinaci\u00f3 amb el reumat\u00f2leg o traumat\u00f2leg que prescriu el tractament.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">L&#8217;osteoporosi afecta la durada dels implants dentals?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">L&#8217;evid\u00e8ncia disponible suggereix que els implants col\u00b7locats en pacients amb osteoporosi controlada tenen taxes de superviv\u00e8ncia comparables a les de pacients sense osteoporosis, encara que alguns estudis troben taxes de frac\u00e0s lleugerament superiors en pacients amb osteoporosi severa o en tractament amb bifosfonats de llarga durada. El seguiment periimplantari peri\u00f2dic \u00e9s especialment important en aquest grup de pacients.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Pot el dentista detectar signes d&#8217;osteoporosis en una radiografia?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">S\u00ed, de manera orientativa. L&#8217;ortopantomografia pot mostrar signes indirectes de p\u00e8rdua de densitat \u00f2ssia com la reducci\u00f3 del gruix de la cortical mandibular inferior (\u00edndex morfom\u00e8tric mandibular), la porositat de la cortical i el patr\u00f3 trabecular esc\u00e0s. Aquestes troballes, quan s\u00f3n cridaners, han de motivar la derivaci\u00f3 al metge de cap\u00e7alera per a la realitzaci\u00f3 d&#8217;una densitometria \u00f2ssia si el pacient no t\u00e9 diagn\u00f2stic previ d&#8217;osteoporosi.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Si prens f\u00e0rmacs per a l&#8217;osteoporosi i necessites qualsevol intervenci\u00f3 sobre l&#8217;os de la boca, informa&#8217;ns abans de la primera consulta. Amb la informaci\u00f3 correcta, podem planificar el tractament m\u00e9s segur per a tu.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>L&#8217;osteoporosi \u00e9s una malaltia metab\u00f2lica \u00f2ssia caracteritzada per la reducci\u00f3 de la densitat mineral \u00f2ssia i la deterioraci\u00f3 de la microarquitectura del teixit ossi, la qual cosa augmenta la fragilitat i el risc de fractura. Afecta aproximadament 3,5 milions de [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":7490,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[32],"tags":[],"class_list":["post-7491","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cirugia-oral"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Osteoporosi i maxil\u00b7lars: implicacions per a la cirurgia oral i la implantologia<\/title>\n<meta name=\"description\" content=\"L&#039;osteoporosi \u00e9s una malaltia metab\u00f2lica \u00f2ssia. Les seves implicacions sobre la salut oral s\u00f3n m\u00faltiples. Les expliquem.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.belodonte.es\/osteoporosis-maxilares-implicaciones-para-la-cirugia-oral-la-implantologia\/\" \/>\n<meta property=\"og:locale\" content=\"ca_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Osteoporosi i maxil\u00b7lars: implicacions per a la cirurgia oral i la implantologia\" \/>\n<meta property=\"og:description\" content=\"L&#039;osteoporosi \u00e9s una malaltia metab\u00f2lica \u00f2ssia. Les seves implicacions sobre la salut oral s\u00f3n m\u00faltiples. 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