{"id":2620,"date":"2026-01-29T17:17:39","date_gmt":"2026-01-29T14:17:39","guid":{"rendered":"https:\/\/wiki.dev.voka.io\/glossary\/odontoblastes\/"},"modified":"2026-03-13T11:03:58","modified_gmt":"2026-03-13T08:03:58","slug":"odontoblastes","status":"publish","type":"glossary_item","link":"https:\/\/wiki.dev.voka.io\/fr\/glossaire\/odontoblastes\/","title":{"rendered":"Odontoblastes"},"content":{"rendered":"\n<p>Les odontoblastes (du grec <em>odous<\/em> \u2013 dent et <em>blastos<\/em> \u2013 germe) sont des cellules hautement sp\u00e9cialis\u00e9es d&rsquo;origine m\u00e9senchymateuse, dont la fonction principale est la formation et le maintien de la structure de la dentine. Les corps cellulaires des odontoblastes sont situ\u00e9s \u00e0 la p\u00e9riph\u00e9rie de la pulpe dentaire, formant une couche protectrice \u00e0 la fronti\u00e8re de la dentine.<\/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>Les odontoblastes synth\u00e9tisent la dentine tout au long de la vie de la dent. Chaque cellule poss\u00e8de un long prolongement (processus de Tomes) qui s&rsquo;\u00e9tend \u00e0 travers toute l&rsquo;\u00e9paisseur de la dentine dans les tubules dentinaires. Lors de stimulations externes (caries, usure pathologique), les odontoblastes commencent \u00e0 produire rapidement de la dentine tertiaire, cherchant \u00e0 \u00e9loigner la chambre pulpaire du site endommag\u00e9.<\/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>Les odontoblastes et leurs prolongements jouent un r\u00f4le crucial dans la formation de la sensibilit\u00e9 douloureuse de la dentine. La vitalit\u00e9 de la couche d&rsquo;odontoblastes d\u00e9termine le succ\u00e8s du traitement conservateur de la pulpite r\u00e9versible\u00a0: si les cellules sont viables, elles peuvent former une barri\u00e8re biologique fiable, \u00e9vitant l&rsquo;ablation du nerf et l&rsquo;obturation canaliculaire.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Les odontoblastes (du grec <em>odous<\/em> \u2013 dent et <em>blastos<\/em> \u2013 germe) sont des cellules hautement sp\u00e9cialis\u00e9es d&rsquo;origine m\u00e9senchymateuse, dont la fonction principale est la formation et le maintien de la structure de la dentine. Les corps cellulaires des odontoblastes sont situ\u00e9s \u00e0 la p\u00e9riph\u00e9rie de la pulpe dentaire, formant une couche protectrice \u00e0 la fronti\u00e8re de la dentine.<\/p>\n","protected":false},"featured_media":0,"template":"","class_list":["post-2620","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>Odontoblastes : d\u00e9finition m\u00e9dicale et description | Voka Wiki<\/title>\n<meta name=\"description\" content=\"Les odontoblastes (du grec odous \u2013 dent et blastos \u2013 germe) sont des cellules hautement sp\u00e9cialis\u00e9es d&#039;origine m\u00e9senchymateuse, dont la fonction principale est la formation et le maintien de la structure de la dentine. 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