{"id":2490,"date":"2026-01-29T17:19:22","date_gmt":"2026-01-29T14:19:22","guid":{"rendered":"https:\/\/wiki.dev.voka.io\/glossary\/emal-zuba\/"},"modified":"2026-03-03T10:40:49","modified_gmt":"2026-03-03T07:40:49","slug":"email-dentaire","status":"publish","type":"glossary_item","link":"https:\/\/wiki.dev.voka.io\/fr\/glossaire\/email-dentaire\/","title":{"rendered":"\u00c9mail dentaire"},"content":{"rendered":"\n<p>L&rsquo;\u00e9mail dentaire (du latin <em>enamelum<\/em>) est la couche protectrice externe de la couronne dentaire. Il s&rsquo;agit du tissu le plus dur et le plus min\u00e9ralis\u00e9 du corps humain, compos\u00e9 de 96 \u00e0 97\u00a0% de substances inorganiques, principalement de cristaux d&rsquo;hydroxyapatite.<\/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>L&rsquo;unit\u00e9 structurelle de l&rsquo;\u00e9mail est le prisme d&rsquo;\u00e9mail, qui lui conf\u00e8re sa duret\u00e9 exceptionnelle. \u00c9tant donn\u00e9 que l&rsquo;\u00e9mail ne contient ni cellules vivantes, ni vaisseaux sanguins, ni nerfs, il ne poss\u00e8de pas la capacit\u00e9 de se r\u00e9g\u00e9n\u00e9rer biologiquement. L&rsquo;\u00e9tat de l&rsquo;\u00e9mail d\u00e9pend de mani\u00e8re critique de l&rsquo;\u00e9quilibre acido-basique de la salive\u00a0: lorsque le pH tombe en dessous de la marque critique de 5,5, le processus de dissolution des cristaux commence.<\/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>L&rsquo;\u00e9mail sert de premi\u00e8re barri\u00e8re contre les infections. Son endommagement ouvre la voie aux bact\u00e9ries vers la dentine moins prot\u00e9g\u00e9e. \u00c9tant donn\u00e9 que l&rsquo;\u00e9mail ne contient pas de terminaisons nerveuses, les premi\u00e8res \u00e9tapes de sa destruction se d\u00e9roulent sans douleur, rendant les examens r\u00e9guliers n\u00e9cessaires pour le diagnostic pr\u00e9coce des caries.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>L&rsquo;\u00e9mail dentaire (du latin <em>enamelum<\/em>) est la couche protectrice externe de la couronne dentaire. Il s&rsquo;agit du tissu le plus dur et le plus min\u00e9ralis\u00e9 du corps humain, compos\u00e9 de 96 \u00e0 97&nbsp;% de substances inorganiques, principalement de cristaux d&rsquo;hydroxyapatite.<\/p>\n","protected":false},"featured_media":0,"template":"","class_list":["post-2490","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>\u00c9mail dentaire : d\u00e9finition m\u00e9dicale et description | Voka Wiki<\/title>\n<meta name=\"description\" content=\"L&#039;\u00e9mail dentaire (du latin enamelum) est la couche protectrice externe de la couronne dentaire. 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