{"id":5251,"date":"2026-10-01T06:59:01","date_gmt":"2026-10-01T04:59:01","guid":{"rendered":"https:\/\/www.drvickykatsemi.com\/?p=5251"},"modified":"2026-10-01T15:32:28","modified_gmt":"2026-10-01T13:32:28","slug":"dentaleinheiten-und-wasserhygiene","status":"publish","type":"post","link":"https:\/\/www.drvickykatsemi.com\/el\/2026\/10\/01\/dentaleinheiten-und-wasserhygiene\/","title":{"rendered":"Dentaleinheiten und Wasserhygiene \u00a0"},"content":{"rendered":"<p class=\"wp-block-paragraph\"><strong>In eigener Sache \u2013 mein Besuch bei der Dentalhygienikerin<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u201eMan sollte vermeiden, montags morgens der erste Patient beim Zahnarzt zu sein.\u201c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Diesen Satz h\u00f6rt man oft, wenn es um die Wasserhygiene von Dentaleinheiten geht.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Letzte Woche war ich bei meiner regelm\u00e4\u00dfigen professionellen Zahnreinigung hier in Frankfurt.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Die Dentalhygienikerin erkl\u00e4rte mir, dass sie ein zus\u00e4tzliches Verfahren zur Entfernung von Verf\u00e4rbungen und Biofilm anwenden w\u00fcrde. Auf meine Frage, wie es funktioniert, erkl\u00e4rte sie mir, dass dabei Erythritol eingesetzt werde. Das sei eine neue Methode.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">W\u00e4hrend der Behandlung entstand \u2013 wie bei solchen Verfahren \u00fcblich \u2013 eine erhebliche Menge an Aerosolen.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ich fragte genauer nach.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Die L\u00f6sung wurde aus einer separaten Kunststoffflasche \u00fcber einen Schlauch eingespeist. Das Erythritol werde mit Leitungswasser angesetzt. Zus\u00e4tzlich empfehle der Hersteller offenbar die Zugabe eines Desinfektionsmittels. Die Dentalhygienikerin konnte mir nicht sagen, wann genau die L\u00f6sung angesetzt worden war.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Meine n\u00e4chste Frage war deshalb nicht mehr, ob Erythritol zur Entfernung dentaler Biofilme geeignet ist. Mechanische Reinigung ist bekanntlich wirksam gegen Biofilme.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Meine Frage war eher:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Wie wird sichergestellt, dass das genutzte Wasser bzw. die angesetzte L\u00f6sung selbst mikrobiologisch kontrolliert bleibt?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Effektive Biofilmentfernung und Wasserhygiene innerhalb eines Behandlungssystems sind zwei v\u00f6llig unterschiedliche Fragestellungen.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Genau hierzu passt die im Februar 2026 aktualisierte S2k-Leitlinie \u201eDentaleinheiten, hygienische Anforderungen an das Wasser\u201c.\u00b9<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Wasser wird nach Eintritt in entsprechend abgesicherte Dentaleinheiten als Betriebswasser <strong><\/strong>betrachtet. Gleichzeitig kann sich die mikrobiologische Qualit\u00e4t innerhalb einer Dentaleinheit ver\u00e4ndern \u2013 selbst wenn mikrobiologisch einwandfreies Trinkwasser eingespeist wird. Biofilmbildung innerhalb der wasserf\u00fchrenden Systeme bleibt aufgrund vorhandener N\u00e4hrstoffe, Raumtemperatur und Stagnation m\u00f6glich.\u00b2\u02d2\u00b3<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Die S2k-Leitlinie enth\u00e4lt f\u00fcr den Betrieb von Dentaleinheiten konkrete Empfehlungen.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">U. a. sollen wasserf\u00fchrende Systeme zu Beginn jedes Arbeitstages an allen Entnahmestellen etwa zwei Minuten gesp\u00fclt werden. Zwischen Patienten sollen die zuvor im Mund verwendeten wasserf\u00fchrenden Systeme etwa 20 Sekunden gesp\u00fclt werden.\u00b9<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Auch die mikrobiologische Bewertung wird konkretisiert:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Pseudomonas aeruginosa<\/em> und <em>Legionella pneumophila<\/em> werden als Indikatormikroorganismen einer Biofilmbildung in der Dentaleinheit genannt. <em>P. aeruginosa<\/em> sollte in 100 ml nicht nachweisbar sein; f\u00fcr <em>L. pneumophila<\/em> wird &lt;1 KBE\/ml angegeben.\u00b9<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Bei wasserf\u00fchrenden (medizinischen) Systemen reicht es also nicht, nur auf die Qualit\u00e4t des eingespeisten Trinkwassers zu schauen.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Entscheidend ist das gesamte System:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Wie wird Wasser gespeichert?<br>Wie lange steht es?<br>Welche Leitungen werden durchstr\u00f6mt?<br>Welche Stoffe werden zugesetzt?<br>Wie werden Beh\u00e4lter und Schl\u00e4uche aufbereitet?<br>Und welche Betriebsbedingungen f\u00f6rdern oder verhindern Biofilmbildung?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Das gilt f\u00fcr eine Dentaleinheit genauso wie f\u00fcr viele andere wasserf\u00fchrende Systeme.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Strategien wie Wassersicherheitspl\u00e4ne f\u00fcr Dentaleinheiten k\u00f6nnen helfen, relevante Risiken systematisch zu erfassen und Prozesse f\u00fcr den Umgang mit Kontaminationsf\u00e4llen festzulegen. Dabei werden u. a. das Eingangswasser, das Wasser im Zahnarztstuhl, der Probenahmeplan, Sp\u00fcl- und Desinfektionsvorg\u00e4nge sowie die jeweiligen Patientengruppen ber\u00fccksichtigt. Ziel ist, das Infektionsrisiko f\u00fcr Patienten, Zahn\u00e4rzte und medizinisches Personal zu minimieren.\u2074<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Und zu meiner Behandlung?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ich gehe weiterhin montags morgens zum Zahnarzt.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Aber ich frage durchaus genau nach, wie mit dem Wasser, den Beh\u00e4ltern und den wasserf\u00fchrenden Systemen umgegangen wird.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Foto von <a href=\"https:\/\/unsplash.com\/de\/@lagermannen?utm_source=unsplash&amp;utm_medium=referral&amp;utm_content=creditCopyText\">Henrik Lagercrantz<\/a> auf <a href=\"https:\/\/unsplash.com\/de\/fotos\/verschiedenfarbige-zahnburste-lot-CsPCTYYxalw?utm_source=unsplash&amp;utm_medium=referral&amp;utm_content=creditCopyText\">Unsplash<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0392\u03b9\u03b2\u03bb\u03b9\u03bf\u03b3\u03c1\u03b1\u03c6\u03af\u03b1<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u201eAG Zahnmedizin der DGKH, \u201eDentaleinheiten, hygienische Anforderungen an das Wasser\u201c, Langversion 2.1, 2026, AWMF-Registriernummer 075-002, <a href=\"https:\/\/register.awmf.org\/assets\/guidelines\/075-002l_S2k_Dentaleinheiten-hygienische-Anforderungen-Wasser_2026-08.pdf\">https:\/\/register.awmf.org\/assets\/guidelines\/075-002l_S2k_Dentaleinheiten-hygienische-Anforderungen-Wasser_2026-08.pdf<\/a> accessed 28.09.2026<\/li>\n\n\n\n<li>Coleman DC <em>et al.<\/em>., J Appl Microbiol, 106(5), 1424-37, 2009<\/li>\n\n\n\n<li>Samaranayake L. <em>et al.<\/em>., Int Dent J, 2(Suppl 2), S437-445, 2024\u00a0<\/li>\n\n\n\n<li>Marino F <em>et al.,<\/em> J Oral Microbiol, 15(1), 2223477, 2023<\/li>\n<\/ol>","protected":false},"excerpt":{"rendered":"<p>In eigener Sache \u2013 mein Besuch bei der Dentalhygienikerin \u201eMan sollte vermeiden, montags morgens der erste Patient beim Zahnarzt zu sein.\u201c Diesen Satz h\u00f6rt man oft, wenn es um die Wasserhygiene von Dentaleinheiten geht. Letzte Woche war ich bei meiner regelm\u00e4\u00dfigen professionellen Zahnreinigung hier in Frankfurt. Die Dentalhygienikerin erkl\u00e4rte mir, dass sie ein zus\u00e4tzliches Verfahren [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":5252,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[],"class_list":["post-5251","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Dentaleinheiten und Wasserhygiene \u00a0 - Dr. Vicky Katsemi Wasserhygiene &amp; Mikrobiologie<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.drvickykatsemi.com\/el\/2026\/10\/01\/dentaleinheiten-und-wasserhygiene\/\" \/>\n<meta property=\"og:locale\" content=\"el_GR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Dentaleinheiten und Wasserhygiene \u00a0 - Dr. Vicky Katsemi Wasserhygiene &amp; Mikrobiologie\" \/>\n<meta property=\"og:description\" content=\"In eigener Sache \u2013 mein Besuch bei der Dentalhygienikerin \u201eMan sollte vermeiden, montags morgens der erste Patient beim Zahnarzt zu sein.\u201c Diesen Satz h\u00f6rt man oft, wenn es um die Wasserhygiene von Dentaleinheiten geht. Letzte Woche war ich bei meiner regelm\u00e4\u00dfigen professionellen Zahnreinigung hier in Frankfurt. 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Letzte Woche war ich bei meiner regelm\u00e4\u00dfigen professionellen Zahnreinigung hier in Frankfurt. 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