{"id":2953,"date":"2026-01-29T17:16:45","date_gmt":"2026-01-29T14:16:45","guid":{"rendered":"https:\/\/wiki.dev.voka.io\/glossary\/apeks-kornya-zuba\/"},"modified":"2026-03-13T16:09:50","modified_gmt":"2026-03-13T13:09:50","slug":"apex-racine-dentaire","status":"publish","type":"glossary_item","link":"https:\/\/wiki.dev.voka.io\/fr\/glossaire\/apex-racine-dentaire\/","title":{"rendered":"Apex de la racine dentaire"},"content":{"rendered":"\n<p>L&rsquo;apex de la dent (du latin <em>apex dentis<\/em>) est l&rsquo;extr\u00e9mit\u00e9 anatomique de la racine dentaire. Cette zone est la r\u00e9gion de transition entre la cavit\u00e9 pulpaire et les tissus parodontaux, d&rsquo;importance cl\u00e9 pour le traitement endodontique.<\/p>\n\n<h2 class=\"wp-block-heading\" id=\"h-&#x430;&#x43D;&#x430;&#x442;&#x43E;&#x43C;&#x438;&#x44F;-&#x438;-&#x43F;&#x430;&#x442;&#x43E;&#x444;&#x438;&#x437;&#x438;&#x43E;&#x43B;&#x43E;&#x433;&#x438;&#x44F;\"><strong>Anatomie et pathophysiologie<\/strong><\/h2>\n\n<p>La zone de l&rsquo;apex comprend une grande ouverture apicale par laquelle passent les vaisseaux sanguins et les fibres nerveuses de la pulpe. C&rsquo;est dans la zone apicale de la racine que se d\u00e9veloppe la p\u00e9riodontite apicale\u00a0: lorsque la pulpe meurt, l&rsquo;infection p\u00e9n\u00e8tre dans les tissus parodontaux par l&rsquo;apex, provoquant le d\u00e9veloppement d&rsquo;un granulome apical, d&rsquo;un abc\u00e8s ou d&rsquo;un kyste.<\/p>\n\n<p>Trois structures sont distingu\u00e9es dans l&rsquo;anatomie de l&rsquo;apex\u00a0: l&rsquo;apex radiologique, la grande ouverture apicale et la constriction apicale. La constriction apicale, la zone avec le plus petit diam\u00e8tre du canal radiculaire, est consid\u00e9r\u00e9e comme le niveau physiologique pour le traitement et l&rsquo;obturation du canal radiculaire. <\/p>\n\n<p>Entre la constriction et le grand foramen apical, le canal a une forme d&rsquo;entonnoir et est difficile d&rsquo;acc\u00e8s pour le traitement. Le foramen apical est souvent d\u00e9plac\u00e9 par rapport \u00e0 l&rsquo;axe de la racine, ce qui fait que l&rsquo;apex radiologique et la constriction apicale ne co\u00efncident souvent pas.<\/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>Pour un traitement endodontique r\u00e9ussi, le dentiste doit identifier avec pr\u00e9cision l&#8217;emplacement de la constriction apicale. Le remplissage du canal doit \u00eatre effectu\u00e9 strictement jusqu&rsquo;\u00e0 cette limite. Si le mat\u00e9riau n&rsquo;atteint pas la constriction apicale, des bact\u00e9ries peuvent rester dans le canal. Au contraire, si le mat\u00e9riau d\u00e9passe la constriction, il peut provoquer une irritation chronique des tissus parodontaux.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>L&rsquo;apex de la dent (du latin <em>apex dentis<\/em>) est l&rsquo;extr\u00e9mit\u00e9 anatomique de la racine dentaire. Cette zone est la r\u00e9gion de transition entre la cavit\u00e9 pulpaire et les tissus parodontaux, d&rsquo;importance cl\u00e9 pour le traitement endodontique.<\/p>\n","protected":false},"featured_media":0,"template":"","class_list":["post-2953","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>Apex de la racine dentaire : d\u00e9finition m\u00e9dicale et description | Voka Wiki<\/title>\n<meta name=\"description\" content=\"L&#039;apex de la dent (du latin apex dentis) est l&#039;extr\u00e9mit\u00e9 anatomique de la racine dentaire. 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