{"id":2981,"date":"2026-01-29T17:17:09","date_gmt":"2026-01-29T14:17:09","guid":{"rendered":"https:\/\/wiki.dev.voka.io\/glossary\/rezorbtsiya-kosti\/"},"modified":"2026-03-13T15:58:56","modified_gmt":"2026-03-13T12:58:56","slug":"resorption-osseuse","status":"publish","type":"glossary_item","link":"https:\/\/wiki.dev.voka.io\/fr\/glossaire\/resorption-osseuse\/","title":{"rendered":"R\u00e9sorption osseuse"},"content":{"rendered":"\n<p>La r\u00e9sorption osseuse (du latin <em>resorptio ossis<\/em>) est un processus pathologique impliquant la destruction et la perte de la masse min\u00e9rale et organique du tissu osseux sous l&rsquo;action des cellules sp\u00e9cialis\u00e9es, les ost\u00e9oclastes. <\/p>\n\n<p>En endodontie, elle se r\u00e9f\u00e8re g\u00e9n\u00e9ralement \u00e0 la perte localis\u00e9e de tissu osseux au niveau de l&rsquo;apex radiculaire (zone p\u00e9riapicale). En parodontologie, ce terme d\u00e9crit plus souvent la destruction du tissu osseux dans les cloisons interdentaires ou interradiculaires.<\/p>\n\n<h2 class=\"wp-block-heading\" id=\"h-&#x44D;&#x442;&#x438;&#x43E;&#x43B;&#x43E;&#x433;&#x438;&#x44F;-&#x438;-&#x43F;&#x430;&#x442;&#x43E;&#x444;&#x438;&#x437;&#x438;&#x43E;&#x43B;&#x43E;&#x433;&#x438;&#x44F;\"><strong>\u00c9tiologie et physiopathologie<\/strong><\/h2>\n\n<p>La pr\u00e9sence de bact\u00e9ries et de leurs toxines dans le canal radiculaire d\u00e9clenche une r\u00e9ponse immunitaire chronique. Le corps active les ost\u00e9oclastes, qui d\u00e9truisent l&rsquo;os, cr\u00e9ant de l&rsquo;espace pour la formation d&rsquo;un granulome apical ou d&rsquo;un kyste. Ainsi, une barri\u00e8re protectrice est cr\u00e9\u00e9e entre le site de l&rsquo;infection dans la dent et l&rsquo;os sain de la m\u00e2choire.<\/p>\n\n<h2 class=\"wp-block-heading\" id=\"h-&#x43A;&#x43B;&#x438;&#x43D;&#x438;&#x447;&#x435;&#x441;&#x43A;&#x43E;&#x435;-&#x437;&#x43D;&#x430;&#x447;&#x435;&#x43D;&#x438;&#x435;\"><strong>Importance clinique<\/strong><\/h2>\n\n<p>Sur une radiographie, la r\u00e9sorption osseuse appara\u00eet comme une zone de radiotransparence (tache sombre) aux contours nets ou flous. Une caract\u00e9ristique importante de la r\u00e9sorption apicale est sa r\u00e9versibilit\u00e9\u00a0: apr\u00e8s l&rsquo;\u00e9limination du biofilm et le remplissage des canaux radiculaires, l&rsquo;os d\u00e9truit se r\u00e9g\u00e9n\u00e8re progressivement, indiquant la gu\u00e9rison.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>La r\u00e9sorption osseuse (du latin <em>resorptio ossis<\/em>) est un processus pathologique impliquant la destruction et la perte de la masse min\u00e9rale et organique du tissu osseux sous l&rsquo;action des cellules sp\u00e9cialis\u00e9es, les ost\u00e9oclastes.<\/p>\n","protected":false},"featured_media":0,"template":"","class_list":["post-2981","glossary_item","type-glossary_item","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.0 (Yoast SEO v26.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>R\u00e9sorption osseuse : d\u00e9finition m\u00e9dicale et description 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