{"id":13468,"date":"2025-12-18T13:00:43","date_gmt":"2025-12-18T13:00:43","guid":{"rendered":"https:\/\/dentaltestlab.com\/chlordioxid-clo%e2%82%82-in-zahnaufhellern-wirkung-risiken-und-warum-vorsicht-geboten-ist\/"},"modified":"2025-12-18T17:21:53","modified_gmt":"2025-12-18T17:21:53","slug":"chlorine-dioxide-clo2-in-tooth-whiteners","status":"publish","type":"page","link":"https:\/\/dentaltestlab.com\/en\/chlorine-dioxide-clo2-in-tooth-whiteners\/","title":{"rendered":"Chlorine dioxide (ClO\u2082) in tooth whiteners: effects, risks and why caution is warranted"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">CHLORINE DIOXIDE IN ORAL CARE \u2013 AT A GLANCE<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Type of ingredient: strong oxidising agent (\u201cchlorine compound\u201d), often listed as chlorine dioxide (ClO\u2082) or as sodium chlorite (a precursor) in products<\/li>\n\n\n\n<li>What it\u2019s used for: sometimes for \u201cfast\u201d whitening, sometimes in certain mouthwashes (odour management)<\/li>\n\n\n\n<li>How it\u2019s supposed to work: oxidation of stain molecules \u2013 often in systems that release chlorine dioxide at a low pH<\/li>\n\n\n\n<li>Evidence base for whitening: a measurable whitening effect in laboratory studies, but no robust long-term safety basis for DIY whitening; pH\/formulation are critical [1\u20133]<\/li>\n\n\n\n<li>Main risks: irritation\/chemical burns to the gums and oral mucosa, potential roughening\/weakening of the tooth surface \u2013 especially with acidic, highly reactive formulations [2,3]<\/li>\n\n\n\n<li>Our safety conclusion: \u201cchlorine compounds\u201d are among the ingredients you should avoid in tooth whiteners \u2013 there are better-studied, more controllable alternatives [2,3]<\/li>\n\n\n\n<li>Better options: professional cleaning, dentist-supervised bleaching (regulated), peroxide-free alternatives such as PAP plus enamel-supporting additives<\/li>\n<\/ul>\n\n\n\n<p>Disclaimer: This article does not replace a dental examination. If you have pain, persistent sensitivity, bleeding gums, visible defects or suspected caries: please have it checked by a dentist before starting any whitening routine.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What is chlorine dioxide?<\/h2>\n\n\n\n<p>Chlorine dioxide (ClO\u2082) is a yellowish, gaseous, highly reactive oxidising agent that\u2019s well known in other areas (e.g. water treatment, industrial disinfection\/bleaching). In oral care products, it typically appears in two forms or \u201cproduct logics\u201d:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Declared as \u201cchlorine dioxide\u201d (rarely as pure ClO\u2082; more often as a releasing system).<\/li>\n\n\n\n<li>As sodium chlorite (NaClO\u2082) plus an \u201cactivator\u201d\/acid: chlorine dioxide is only produced through a chemical reaction (e.g. when an acidic component is added).<\/li>\n<\/ol>\n\n\n\n<p>The second point is particularly relevant for \u201cinstant whitening\u201d products: chlorine dioxide is generated on the spot \u2013 often under acidic conditions, which can be problematic for enamel and oral tissues [2,3].<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">How is chlorine dioxide supposed to whiten teeth?<\/h2>\n\n\n\n<p>Tooth discolouration broadly occurs due to:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Extrinsic staining (surface-level: coffee, tea, red wine, tobacco)<\/li>\n\n\n\n<li>Intrinsic staining (deeper in the tooth: ageing, trauma, medicines, root canal treatment)<\/li>\n<\/ul>\n\n\n\n<p>Chlorine dioxide can \u2013 in theory and in laboratory studies \u2013 oxidise pigment molecules and thereby change how they absorb light. This can make teeth appear lighter.<\/p>\n\n\n\n<p>The key issue: many chlorite\/chlorine dioxide-based \u201cwhitening\u201d products don\u2019t rely on oxidation alone, but also on a low pH (an acidic environment) to generate or stabilise chlorine dioxide [1\u20133]. That acidic component is one of the main reasons dental professionals view these systems critically.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Effectiveness: what does the research show (and what doesn\u2019t it show)?<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Laboratory findings: a whitening effect is possible<\/h3>\n\n\n\n<p>An in vitro study in the <em>Journal of Dentistry<\/em> showed that chlorine dioxide can measurably whiten teeth in a laboratory set-up [1]. This helps explain why some users perceive \u201cfast\u201d effects.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">But: lab \u2260 real life (and certainly not long-term)<\/h3>\n\n\n\n<p>What laboratory studies often do not reflect:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>real saliva buffering,<\/li>\n\n\n\n<li>variable contact times and overdosing,<\/li>\n\n\n\n<li>contact with gums\/oral mucosa,<\/li>\n\n\n\n<li>repeated use over weeks\/months,<\/li>\n\n\n\n<li>individual risk factors (erosion, exposed tooth roots, micro-cracks).<\/li>\n<\/ul>\n\n\n\n<p>Another important point: a \u201clighter\u201d look can also result from the surface being chemically etched or altered. That may be cosmetically noticeable in the short term, but biologically risky.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Safety data: pH and \u201caggressiveness\u201d are the critical core issue<\/h3>\n\n\n\n<p>An in vitro investigation of OTC tooth whiteners shows that products with a low pH and \u201cstrong\u201d mechanisms can measurably affect the tooth surface (e.g. softer\/compromised surfaces) [3]. This isn\u2019t exclusively a chlorine dioxide issue \u2013 but with chlorite-based systems, the pH problem is often built into the product design.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Why chlorine dioxide (and sodium chlorite) is considered \u201crisky\u201d<\/h2>\n\n\n\n<p>In the Dental Test Lab whitening test report, chlorine compounds were explicitly named as ingredients to avoid in tooth whiteners. The reasons align with risk assessments and laboratory findings:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1) Irritation of the oral mucosa and gums \u2013 up to and including chemical burns<\/h3>\n\n\n\n<p>Oxidising agents can irritate soft tissues. If acids are also involved or the concentration is high, the risk increases significantly. Typical warning signs during use include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>burning or sharp pain on the gums<\/li>\n\n\n\n<li>white patches on the mucosa that look \u201cburnt\u201d<\/li>\n\n\n\n<li>persistent redness\/swelling<\/li>\n<\/ul>\n\n\n\n<p>If this happens: rinse immediately, stop using the product and seek dental advice if symptoms are significant.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2) Enamel risk: roughening, weakening, increased susceptibility<\/h3>\n\n\n\n<p>Chlorine dioxide can act oxidatively \u2013 but many systems only work reliably when the environment is acidic. Acid can demineralise enamel; oxidative chemical stress plus a low pH is an unfavourable combination. Studies and safety reviews describe potentially unwanted effects on the tooth surface in this context [1\u20133].<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3) Unfavourable safety margins in risk analyses (sodium chlorite)<\/h3>\n\n\n\n<p>A report by the Danish Environmental Protection Agency assessed tooth-whitening products for personal use and, among other things, evaluated chlorite compounds. It describes that even at relatively low levels (around 0.1%), the safety margins can be unfavourable (MoS &lt; 10) \u2013 simplified: too little safety buffer, increasing the risk of irritation\/damage. At higher doses, chlorite is also classified as caustic\/corrosive [2].<\/p>\n\n\n\n<p>This is a very strong argument against DIY whitening with chlorite\/chlorine dioxide, especially when origin, concentration, pH and application control are not transparent.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Chlorine dioxide vs peroxide vs PAP: a quick practical comparison<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Feature<\/th><th>Chlorine dioxide \/ chlorite systems<\/th><th>Hydrogen peroxide (H\u2082O\u2082)<\/th><th>PAP (peroxide-free)<\/th><\/tr><\/thead><tbody><tr><td>Mechanism of action<\/td><td>Oxidation, often in an acidic environment<\/td><td>Oxidation (well studied), strictly regulated<\/td><td>Oxidation (different chemistry), increasingly studied<\/td><\/tr><tr><td>Main issue<\/td><td>often low pH, soft-tissue irritation, unclear product quality<\/td><td>sensitivity, soft-tissue irritation \u2013 but clear EU limits\/supply routes<\/td><td>evidence base is newer, but in many formulations tends to be more enamel-\/tissue-friendly than H\u2082O\u2082<\/td><\/tr><tr><td>Suitability for DIY<\/td><td>not recommended for safety reasons<\/td><td>OTC is very limited in the EU; stronger options only via a dentist<\/td><td>often designed for home use (quality is crucial)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Important: even \u201calternatives\u201d are only as safe as their formulation, pH, dosage, labelling and how they are used.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Warning signs: how to spot problematic products<\/h2>\n\n\n\n<p>Pay close attention to the following clues on packaging or in the ingredient list:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Sodium Chlorite \/ Natriumchlorit<\/li>\n\n\n\n<li>Chlorine Dioxide \/ Chlordioxid \/ ClO\u2082<\/li>\n\n\n\n<li>\u201c2-step\u201d, \u201cactivator\u201d, \u201cmix before use\u201d (indicates a reaction-based system)<\/li>\n\n\n\n<li>combination of chlorite + citric acid, phosphoric acid or other acids (may indicate low pH and ClO\u2082 release)<\/li>\n\n\n\n<li>very aggressive marketing claims: \u201cInstant bleach\u201d, \u201c1 minute whitening\u201d, \u201cbleach without peroxide\u201d<\/li>\n\n\n\n<li>missing manufacturer\/importer details, no EU responsible person, incomplete labelling<\/li>\n<\/ul>\n\n\n\n<p>If a product burns strongly when applied or feels \u201clike bleach\u201d: that\u2019s not a sign of quality \u2013 it\u2019s a warning signal.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What is usually more sensible instead (and often gentler)<\/h2>\n\n\n\n<p>If you want whiter teeth, these steps are often safer and more sustainable:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Professional dental cleaning (often the most effective starting point for surface staining).<\/li>\n\n\n\n<li>Dentist-supervised bleaching (regulated active concentrations, gum protection, individual risk assessment).<\/li>\n\n\n\n<li>Peroxide-free whitening systems with clear, credible labelling (e.g. PAP-based gels) plus enamel-supporting additives such as hydroxyapatite (especially for sensitive teeth).<\/li>\n\n\n\n<li>A gentle daily routine: soft brush, light pressure, and not overly abrasive \u201cwhitening\u201d toothpastes.<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">FAQ: Common questions about chlorine dioxide<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Is chlorine dioxide \u201cbanned\u201d outright?<\/h3>\n\n\n\n<p>That depends on the product category, concentration, formulation and authorisation status. The key point is: safety concerns around \u201cfast\u201d DIY whitening with chlorite\/chlorine dioxide are well founded \u2013 particularly due to pH and irritation risks and, in some cases, poor product transparency [2,3].<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Why do some people report very fast results?<\/h3>\n\n\n\n<p>Oxidation can change pigments in the short term \u2013 and acidic systems can also affect the surface. But \u201cfast\u201d does not automatically mean \u201cgentle\u201d or \u201csafe long term\u201d.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">What should I do if it burns after whitening with chlorine dioxide?<\/h3>\n\n\n\n<p>Immediately:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>stop using the product<\/li>\n\n\n\n<li>rinse thoroughly with water<\/li>\n\n\n\n<li>don\u2019t add any further \u201cactivators\u201d or home remedies<\/li>\n\n\n\n<li>if you have severe pain, white patches on the mucosa or persistent sensitivity: seek dental advice<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Conclusion<\/h2>\n\n\n\n<p>Chlorine dioxide can whiten teeth in laboratory studies [1] \u2013 but in many \u201cinstant whitening\u201d products, the route to that effect involves a low pH, aggressive chemistry and unfavourable safety margins [2,3]. That\u2019s why we consider chlorine compounds risky in the context of tooth whiteners: the potential benefit often isn\u2019t a good trade-off against possible damage to gums and enamel.<\/p>\n\n\n\n<p>If you want to whiten your teeth, a safer approach is usually: check the underlying cause, have staining removed professionally and choose clearly labelled, controllable whitening methods \u2013 rather than chlorite-based \u201cquick bleach\u201d.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Sources<\/h2>\n\n\n\n<p>[1] Ablal, M. A. et al. (2013). The whitening effect of chlorine dioxide \u2013 an in vitro study. <em>Journal of Dentistry<\/em>, 41 (Suppl 5), e76\u2013e81. <a target=\"_blank\" rel=\"noreferrer noopener\" href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/23707537\/\">https:\/\/pubmed.ncbi.nlm.nih.gov\/23707537\/<\/a><\/p>\n\n\n\n<p>[2] Kristensen, G. T. et al. (2021). Survey and risk assessment of teeth-whitening products for personal use. Danish Environmental Protection Agency, Survey of Chemical Substances in Consumer Products No. 186. <a target=\"_blank\" rel=\"noreferrer noopener\" href=\"https:\/\/www2.mst.dk\/Udgiv\/publications\/2021\/09\/978-87-7038-340-0.pdf\">https:\/\/www2.mst.dk\/Udgiv\/publications\/2021\/09\/978-87-7038-340-0.pdf<\/a><\/p>\n\n\n\n<p>[3] M\u00fcller-Heupt, L. K. et al. (2023). Effectiveness and Safety of Over-the-Counter Tooth-Whitening Agents Compared to Hydrogen Peroxide In Vitro. <em>International Journal of Molecular Sciences<\/em>, 24(3), 1956. <a target=\"_blank\" rel=\"noreferrer noopener\" href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC9915942\/\">https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC9915942\/<\/a><\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>CHLORINE DIOXIDE IN ORAL CARE \u2013 AT A GLANCE Disclaimer: This article does not replace a dental examination. If you have pain, persistent sensitivity, bleeding gums, visible defects or suspected caries: please have it checked by a dentist before starting any whitening routine. What is chlorine dioxide? Chlorine dioxide (ClO\u2082) is a yellowish, gaseous, highly &#8230; <a title=\"Chlorine dioxide (ClO\u2082) in tooth whiteners: effects, risks and why caution is warranted\" class=\"read-more\" href=\"https:\/\/dentaltestlab.com\/en\/chlorine-dioxide-clo2-in-tooth-whiteners\/\" aria-label=\"Read more about Chlorine dioxide (ClO\u2082) in tooth whiteners: effects, risks and why caution is warranted\">Mehr erfahren<\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_lmt_disableupdate":"","_lmt_disable":"","footnotes":""},"categories":[106],"tags":[],"class_list":{"0":"post-13468","1":"page","2":"type-page","3":"status-publish","5":"category-ingredients"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Chlorine dioxide (ClO\u2082) in tooth whiteners: effects, risks and why caution is warranted | Dental Test Lab<\/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:\/\/dentaltestlab.com\/en\/chlorine-dioxide-clo2-in-tooth-whiteners\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Chlorine dioxide (ClO\u2082) in tooth whiteners: effects, risks and why caution is warranted | Dental Test Lab\" \/>\n<meta property=\"og:description\" content=\"CHLORINE DIOXIDE IN ORAL CARE \u2013 AT A GLANCE Disclaimer: This article does not replace a dental examination. If you have pain, persistent sensitivity, bleeding gums, visible defects or suspected caries: please have it checked by a dentist before starting any whitening routine. What is chlorine dioxide? Chlorine dioxide (ClO\u2082) is a yellowish, gaseous, highly ... Mehr erfahren\" \/>\n<meta property=\"og:url\" content=\"https:\/\/dentaltestlab.com\/en\/chlorine-dioxide-clo2-in-tooth-whiteners\/\" \/>\n<meta property=\"og:site_name\" content=\"Dental Test Lab\" \/>\n<meta property=\"article:modified_time\" content=\"2025-12-18T17:21:53+00:00\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/dentaltestlab.com\\\/en\\\/chlorine-dioxide-clo2-in-tooth-whiteners\\\/\",\"url\":\"https:\\\/\\\/dentaltestlab.com\\\/en\\\/chlorine-dioxide-clo2-in-tooth-whiteners\\\/\",\"name\":\"Chlorine dioxide (ClO\u2082) in tooth whiteners: effects, risks and why caution is warranted | Dental Test Lab\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/dentaltestlab.com\\\/en\\\/#website\"},\"datePublished\":\"2025-12-18T13:00:43+00:00\",\"dateModified\":\"2025-12-18T17:21:53+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/dentaltestlab.com\\\/en\\\/chlorine-dioxide-clo2-in-tooth-whiteners\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/dentaltestlab.com\\\/en\\\/chlorine-dioxide-clo2-in-tooth-whiteners\\\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/dentaltestlab.com\\\/en\\\/chlorine-dioxide-clo2-in-tooth-whiteners\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Dental Test Lab\",\"item\":\"https:\\\/\\\/dentaltestlab.com\\\/en\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Ingredients\",\"item\":\"https:\\\/\\\/dentaltestlab.com\\\/en\\\/ingredients\\\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Chlorine dioxide (ClO\u2082) in tooth whiteners: effects, risks and why caution is warranted\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/dentaltestlab.com\\\/en\\\/#website\",\"url\":\"https:\\\/\\\/dentaltestlab.com\\\/en\\\/\",\"name\":\"Dental Test Lab\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\\\/\\\/dentaltestlab.com\\\/en\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/dentaltestlab.com\\\/en\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/dentaltestlab.com\\\/en\\\/#organization\",\"name\":\"Dental Test Lab\",\"url\":\"https:\\\/\\\/dentaltestlab.com\\\/en\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/dentaltestlab.com\\\/en\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/dentaltestlab.com\\\/wp-content\\\/uploads\\\/2023\\\/10\\\/cropped-THE-DERMA-CHECK-FAVICON-NEW-1.png\",\"contentUrl\":\"https:\\\/\\\/dentaltestlab.com\\\/wp-content\\\/uploads\\\/2023\\\/10\\\/cropped-THE-DERMA-CHECK-FAVICON-NEW-1.png\",\"width\":512,\"height\":512,\"caption\":\"Dental Test Lab\"},\"image\":{\"@id\":\"https:\\\/\\\/dentaltestlab.com\\\/en\\\/#\\\/schema\\\/logo\\\/image\\\/\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Chlorine dioxide (ClO\u2082) in tooth whiteners: effects, risks and why caution is warranted | Dental Test Lab","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/dentaltestlab.com\/en\/chlorine-dioxide-clo2-in-tooth-whiteners\/","og_locale":"en_US","og_type":"article","og_title":"Chlorine dioxide (ClO\u2082) in tooth whiteners: effects, risks and why caution is warranted | Dental Test Lab","og_description":"CHLORINE DIOXIDE IN ORAL CARE \u2013 AT A GLANCE Disclaimer: This article does not replace a dental examination. If you have pain, persistent sensitivity, bleeding gums, visible defects or suspected caries: please have it checked by a dentist before starting any whitening routine. What is chlorine dioxide? Chlorine dioxide (ClO\u2082) is a yellowish, gaseous, highly ... Mehr erfahren","og_url":"https:\/\/dentaltestlab.com\/en\/chlorine-dioxide-clo2-in-tooth-whiteners\/","og_site_name":"Dental Test Lab","article_modified_time":"2025-12-18T17:21:53+00:00","schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/dentaltestlab.com\/en\/chlorine-dioxide-clo2-in-tooth-whiteners\/","url":"https:\/\/dentaltestlab.com\/en\/chlorine-dioxide-clo2-in-tooth-whiteners\/","name":"Chlorine dioxide (ClO\u2082) in tooth whiteners: effects, risks and why caution is warranted | Dental Test Lab","isPartOf":{"@id":"https:\/\/dentaltestlab.com\/en\/#website"},"datePublished":"2025-12-18T13:00:43+00:00","dateModified":"2025-12-18T17:21:53+00:00","breadcrumb":{"@id":"https:\/\/dentaltestlab.com\/en\/chlorine-dioxide-clo2-in-tooth-whiteners\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/dentaltestlab.com\/en\/chlorine-dioxide-clo2-in-tooth-whiteners\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/dentaltestlab.com\/en\/chlorine-dioxide-clo2-in-tooth-whiteners\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Dental Test Lab","item":"https:\/\/dentaltestlab.com\/en\/"},{"@type":"ListItem","position":2,"name":"Ingredients","item":"https:\/\/dentaltestlab.com\/en\/ingredients\/"},{"@type":"ListItem","position":3,"name":"Chlorine dioxide (ClO\u2082) in tooth whiteners: effects, risks and why caution is warranted"}]},{"@type":"WebSite","@id":"https:\/\/dentaltestlab.com\/en\/#website","url":"https:\/\/dentaltestlab.com\/en\/","name":"Dental Test Lab","description":"","publisher":{"@id":"https:\/\/dentaltestlab.com\/en\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/dentaltestlab.com\/en\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/dentaltestlab.com\/en\/#organization","name":"Dental Test Lab","url":"https:\/\/dentaltestlab.com\/en\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/dentaltestlab.com\/en\/#\/schema\/logo\/image\/","url":"https:\/\/dentaltestlab.com\/wp-content\/uploads\/2023\/10\/cropped-THE-DERMA-CHECK-FAVICON-NEW-1.png","contentUrl":"https:\/\/dentaltestlab.com\/wp-content\/uploads\/2023\/10\/cropped-THE-DERMA-CHECK-FAVICON-NEW-1.png","width":512,"height":512,"caption":"Dental Test Lab"},"image":{"@id":"https:\/\/dentaltestlab.com\/en\/#\/schema\/logo\/image\/"}}]}},"_links":{"self":[{"href":"https:\/\/dentaltestlab.com\/en\/wp-json\/wp\/v2\/pages\/13468","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dentaltestlab.com\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/dentaltestlab.com\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/dentaltestlab.com\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/dentaltestlab.com\/en\/wp-json\/wp\/v2\/comments?post=13468"}],"version-history":[{"count":1,"href":"https:\/\/dentaltestlab.com\/en\/wp-json\/wp\/v2\/pages\/13468\/revisions"}],"predecessor-version":[{"id":13475,"href":"https:\/\/dentaltestlab.com\/en\/wp-json\/wp\/v2\/pages\/13468\/revisions\/13475"}],"wp:attachment":[{"href":"https:\/\/dentaltestlab.com\/en\/wp-json\/wp\/v2\/media?parent=13468"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dentaltestlab.com\/en\/wp-json\/wp\/v2\/categories?post=13468"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dentaltestlab.com\/en\/wp-json\/wp\/v2\/tags?post=13468"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}