{"id":2497,"date":"2026-01-29T17:19:15","date_gmt":"2026-01-29T14:19:15","guid":{"rendered":"https:\/\/wiki.dev.voka.io\/glossary\/dentine\/"},"modified":"2026-03-03T11:36:09","modified_gmt":"2026-03-03T08:36:09","slug":"dentine","status":"publish","type":"glossary_item","link":"https:\/\/wiki.dev.voka.io\/fr\/glossaire\/dentine\/","title":{"rendered":"Dentine"},"content":{"rendered":"\n<p>La dentine (du latin <em>dentinum<\/em>) est un tissu dur et calcifi\u00e9 constituant le volume principal de la dent. Elle est situ\u00e9e sous l\u2019\u00e9mail dans la r\u00e9gion de la couronne et sous le c\u00e9ment dans la zone racinaire, entourant la chambre pulpaire et les canaux radiculaires. En termes de propri\u00e9t\u00e9s physiques, la dentine est plus r\u00e9sistante que l\u2019os mais plus \u00e9lastique que l\u2019\u00e9mail.<\/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 dentine est travers\u00e9e par des millions de tubules dentinaires microscopiques contenant les prolongements cellulaires des odontoblastes ainsi que du fluide dentinaire. La pr\u00e9sence de ces tubules rend la dentine perm\u00e9able, capable de transmettre des stimuli et les toxines bact\u00e9riennes aux terminaisons nerveuses de la pulpe. <\/p>\n\n<p>Tout au long de la vie de la dent, les odontoblastes continuent de produire lentement de la dentine secondaire, r\u00e9duisant le volume de la chambre pulpaire. En r\u00e9ponse aux irritants \u00e0 la jonction \u00e9mail-dentine, la formation de dentine tertiaire (r\u00e9parative ou r\u00e9actionnelle) est activ\u00e9e.<\/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>La dentine et la pulpe fonctionnent comme un complexe unifi\u00e9. L\u2019exposition de la dentine due \u00e0 une carie, \u00e0 une blessure ou \u00e0 l\u2019usure pathologique entra\u00eene un mouvement de fluide dans les tubules, irritant les r\u00e9cepteurs pulpaires et provoquant une sensibilit\u00e9 dentaire (hyperesth\u00e9sie). Dans le traitement des caries, la pr\u00e9servation d\u2019une couche saine de dentine au-dessus de la pulpe est une priorit\u00e9 pour maintenir la vitalit\u00e9 de la dent.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>La dentine (du latin <em>dentinum<\/em>) est un tissu dur et calcifi\u00e9 constituant le volume principal de la dent. Elle est situ\u00e9e sous l\u2019\u00e9mail dans la r\u00e9gion de la couronne et sous le c\u00e9ment dans la zone racinaire, entourant la chambre pulpaire et les canaux radiculaires. En termes de propri\u00e9t\u00e9s physiques, la dentine est plus r\u00e9sistante que l\u2019os mais plus \u00e9lastique que l\u2019\u00e9mail.<\/p>\n","protected":false},"featured_media":0,"template":"","class_list":["post-2497","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>Dentine : d\u00e9finition m\u00e9dicale et description | Voka Wiki<\/title>\n<meta name=\"description\" content=\"La dentine (du latin dentinum) est un tissu dur et calcifi\u00e9 constituant le volume principal de la dent. Elle est situ\u00e9e sous l\u2019\u00e9mail dans la r\u00e9gion de la couronne et sous le c\u00e9ment dans la zone racinaire, entourant la chambre pulpaire et les canaux radiculaires. En termes de propri\u00e9t\u00e9s physiques, la dentine est plus r\u00e9sistante que l\u2019os mais plus \u00e9lastique que l\u2019\u00e9mail.\" \/>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Dentine\" \/>\n<meta property=\"og:description\" content=\"La dentine (du latin dentinum) est un tissu dur et calcifi\u00e9 constituant le volume principal de la dent. Elle est situ\u00e9e sous l\u2019\u00e9mail dans la r\u00e9gion de la couronne et sous le c\u00e9ment dans la zone racinaire, entourant la chambre pulpaire et les canaux radiculaires. 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