{"id":46796,"date":"2026-06-30T07:36:26","date_gmt":"2026-06-30T12:36:26","guid":{"rendered":"https:\/\/www.aae.org\/patients\/?page_id=46796"},"modified":"2026-07-28T18:37:21","modified_gmt":"2026-07-28T23:37:21","slug":"whole-body-benefits","status":"publish","type":"page","link":"https:\/\/www.aae.org\/patients\/root-canal-treatment\/what-is-a-root-canal\/benefits-root-canal-treatment\/whole-body-benefits\/","title":{"rendered":"Whole-body Benefits"},"content":{"rendered":"\n<h1>\n\t\t\tWhole-Body Benefits of Root Canal Treatment\t<\/h1>\n\t<p>Last updated: July 13, 2026<\/p>\n\t<p>Root canal treatment may do more than save your tooth. Research shows it can lower diabetes and heart disease risk by treating infection early.<\/p>\n<h2>\n\t\t\tRoot Canals Help Overall Health\t<\/h2>\n\t<p>Groundbreaking research from King&#8217;s College London shows that root canal treatment can help protect more than just your smile. It can benefit your heart health and reduce diabetes risk. A two-year clinical study of 65 patients, tracking changes in the blood chemistry of patients who had undergone the procedure due to the common dental infection, apical periodontitis, found improved glucose metabolism, a key factor in preventing diabetes, better lipid profiles, which are linked to heart health, and reduced inflammation.<\/p>\n<figure itemscope itemtype=\"https:\/\/schema.org\/ImageObject\">\n\t\t\t\t<img decoding=\"async\" src=\"https:\/\/www.aae.org\/patients\/wp-content\/uploads\/sites\/3\/2026\/07\/AAE_Endodontics_-130-1-scaled-e1784823479914.jpg\" alt=\"Endodontist discussing root canal treatment with a patient in the exam room\" height=\"1826\" width=\"2048\" title=\"AAE_Endodontics_ (130)\" onerror=\"this.style.display='none'\" loading=\"lazy\" \/>\n\t<\/figure>\n<h2>\n\t\t\tWhat the Study Found\t<\/h2>\n\t<p>Researchers found that successful root canal treatment was linked to:<\/p>\n<p>&nbsp;<\/p>\n<ul>\n<li>Healthier blood sugar levels: Blood sugar improved, which can lower the risk of diabetes.<\/li>\n<li>Better heart health markers: Cholesterol and other blood fats improved, which are important for heart health.<\/li>\n<li>Less inflammation: Levels of inflammation in the body decreased. Chronic inflammation is associated with many conditions, including heart disease.<\/li>\n<li>Fewer harmful bacteria affecting the body: The bacteria from infected teeth were linked to changes throughout the body, suggesting that treating the infection may benefit overall health.<\/li>\n<\/ul>\n<p>The findings were published in the Journal of Translational Medicine and led by researchers at King&#8217;s College London.<\/p>\n\t\t\t<a href=\"https:\/\/www.kcl.ac.uk\/news\/root-canal-treatment-reduces-heart-disease-and-diabetes-risk\"  target=\"_blank\" rel=\"noopener\"    rel=\"noopener\">\n\t\t\t\t\t\t\tRead The Research  \u2197\n\t\t\t\t\t<\/a>\n<h2>\n\t\t\tWhy This Happens\t<\/h2>\n\t<p>While it&#8217;s long been known that some untreated dental infections can be associated with an increased risk of heart disease and diabetes, the positive impacts of treatment have not been as well studied.<\/p>\n<p>The reason that root canal treatment is so effective is that during the procedure, the endodontist removes inflamed or infected pulp, carefully cleans and shapes the inside of the root canal, then fills and seals the space. By doing so, they are stopping the spread of infection and preventing harmful bacteria from entering the bloodstream. This is likely why successful treatment is linked to improved blood sugar, better lipid profiles and reduced inflammation throughout the body.<\/p>\n<h2>\n\t\t\tHear From The Experts\t<\/h2>\n\t<p>&#8220;When you experience symptoms of swelling or pain indicating an infection, it&#8217;s important to act immediately by making an appointment with an endodontist to save your tooth and protect your body,&#8221; says Dr. W. Craig Noblett, president of the American Association of Endodontists (AAE).&#8221;<\/p>\n<p><em><strong>Dr. W. Craig Noblett<\/strong><\/em><\/p>\n\t<p>&#8220;We now have a deeper understanding than ever before of how intrinsically linked oral health care and overall health truly are. This understanding serves to reinforce the importance of a whole-body approach to care that helps protect smiles and prevent systemic complications&#8221;<\/p>\n<p><em><strong>Dr. W. Craig Noblett<\/strong><\/em><\/p>\n<h2>\n\t\t\tHear it from the Research Lead\t<\/h2>\n\t<iframe loading=\"lazy\" width=\"660\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/aKqhd6Ma0bE?si=lD2V99oPxke7pdLW\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n\t<p>The AAE&#8217;s Dr. Najia Usman interviewed the study&#8217;s research lead, Dr. Sadia Niazi of King&#8217;s College, to talk about this groundbreaking study.<\/p>\n<p>Dr. Sadia Niazi&#8217;s research shows that root canal infections (apical periodontitis) fuel body-wide inflammation, raising risk markers for diabetes and heart disease. Her two-year study found that successful treatment improved patients&#8217; blood sugar, cholesterol, and inflammatory markers-proving the benefit goes beyond saving the tooth and supporting integrated dental-medical care over social-media myths about root canals.<\/p>\n<h2>\n\t\t\tLearn More Through Social Media\t<\/h2>\n\t<p>Explore the details of this research through AAE&#8217;s social media channels.<\/p>\n\t<blockquote data-instgrm-permalink=\"https:\/\/www.instagram.com\/reel\/DRw53fhFapz\/?utm_source=ig_embed&amp;utm_campaign=loading\" data-instgrm-version=\"14\"> <a href=\"https:\/\/www.instagram.com\/reel\/DRw53fhFapz\/?utm_source=ig_embed&amp;utm_campaign=loading\" target=\"_blank\">       View this post on Instagram            <\/a><p><a href=\"https:\/\/www.instagram.com\/reel\/DRw53fhFapz\/?utm_source=ig_embed&amp;utm_campaign=loading\" target=\"_blank\">A post shared by American Assn. of Endodontists (@savingyourteeth)<\/a><\/p><\/blockquote>\n\t<blockquote data-instgrm-permalink=\"https:\/\/www.instagram.com\/reel\/DSAYig5lXcS\/?utm_source=ig_embed&amp;utm_campaign=loading\" data-instgrm-version=\"14\"> <a href=\"https:\/\/www.instagram.com\/reel\/DSAYig5lXcS\/?utm_source=ig_embed&amp;utm_campaign=loading\" target=\"_blank\">       View this post on Instagram            <\/a><p><a href=\"https:\/\/www.instagram.com\/reel\/DSAYig5lXcS\/?utm_source=ig_embed&amp;utm_campaign=loading\" target=\"_blank\">A post shared by American Assn. of Endodontists (@savingyourteeth)<\/a><\/p><\/blockquote>\n\t<blockquote data-instgrm-permalink=\"https:\/\/www.instagram.com\/p\/DTQNdsvksOi\/?utm_source=ig_embed&amp;utm_campaign=loading\" data-instgrm-version=\"14\"> <a href=\"https:\/\/www.instagram.com\/p\/DTQNdsvksOi\/?utm_source=ig_embed&amp;utm_campaign=loading\" target=\"_blank\">       View this post on Instagram            <\/a><p><a href=\"https:\/\/www.instagram.com\/p\/DTQNdsvksOi\/?utm_source=ig_embed&amp;utm_campaign=loading\" target=\"_blank\">A post shared by American Assn. of Endodontists (@savingyourteeth)<\/a><\/p><\/blockquote>\n\t<blockquote data-instgrm-permalink=\"https:\/\/www.instagram.com\/p\/DTxr80njemX\/?utm_source=ig_embed&amp;utm_campaign=loading\" data-instgrm-version=\"14\"> <a href=\"https:\/\/www.instagram.com\/p\/DTxr80njemX\/?utm_source=ig_embed&amp;utm_campaign=loading\" target=\"_blank\">       View this post on Instagram            <\/a><p><a href=\"https:\/\/www.instagram.com\/p\/DTxr80njemX\/?utm_source=ig_embed&amp;utm_campaign=loading\" target=\"_blank\">A post shared by American Assn. of Endodontists (@savingyourteeth)<\/a><\/p><\/blockquote>\n\t<blockquote data-instgrm-permalink=\"https:\/\/www.instagram.com\/reel\/DVbQRivkV3z\/?utm_source=ig_embed&amp;utm_campaign=loading\" data-instgrm-version=\"14\"> <a href=\"https:\/\/www.instagram.com\/reel\/DVbQRivkV3z\/?utm_source=ig_embed&amp;utm_campaign=loading\" target=\"_blank\">       View this post on Instagram            <\/a><p><a href=\"https:\/\/www.instagram.com\/reel\/DVbQRivkV3z\/?utm_source=ig_embed&amp;utm_campaign=loading\" target=\"_blank\">A post shared by American Assn. of Endodontists (@savingyourteeth)<\/a><\/p><\/blockquote>\n\t<blockquote data-instgrm-permalink=\"https:\/\/www.instagram.com\/reel\/DVtLfs5kavi\/?utm_source=ig_embed&amp;utm_campaign=loading\" data-instgrm-version=\"14\"> <a href=\"https:\/\/www.instagram.com\/reel\/DVtLfs5kavi\/?utm_source=ig_embed&amp;utm_campaign=loading\" target=\"_blank\">       View this post on Instagram            <\/a><p><a href=\"https:\/\/www.instagram.com\/reel\/DVtLfs5kavi\/?utm_source=ig_embed&amp;utm_campaign=loading\" target=\"_blank\">A post shared by American Assn. of Endodontists (@savingyourteeth)<\/a><\/p><\/blockquote>\n<h2>\n\t\t\tWhole-body Benefits FAQ\t<\/h2>\n\t\t\t\t\t<a role=\"heading\" aria-level=\"2\" tabindex=\"-1\"  id=\"fl-accordion--label-0\"><h3>Can treating a tooth infection actually improve your overall health?<\/h3><\/a>\n\t\t\t\t\t\t\t\t\t\t\t<button type=\"button\" id=\"fl-accordion--icon-0\" aria-expanded=\"false\" aria-controls=\"fl-accordion--panel-0\"><i>Expand<\/i><\/button>\n\t\t\t\t\t<p>Emerging research suggests it can. A King&#8217;s College London study tracked 65 patients for two years following root canal treatment for a tooth infection and found measurable improvements in blood sugar control, cholesterol levels and inflammation markers. While more research is needed to confirm the effect in larger populations, the findings suggest that treating a dental infection may support health beyond the mouth.<\/p>\n\t\t\t\t\t<a role=\"heading\" aria-level=\"2\" tabindex=\"-1\"  id=\"fl-accordion--label-1\"><h3>What is apical periodontitis, and why does it matter for the rest of the body?<\/h3><\/a>\n\t\t\t\t\t\t\t\t\t\t\t<button type=\"button\" id=\"fl-accordion--icon-1\" aria-expanded=\"false\" aria-controls=\"fl-accordion--panel-1\"><i>Expand<\/i><\/button>\n\t\t\t\t\t<p>Apical periodontitis is a common infection at the tip of a tooth&#8217;s root, usually caused by untreated decay or a cracked tooth. Left untreated, it allows bacteria to enter the bloodstream and trigger inflammation throughout the body. This is the specific infection studied in the King&#8217;s College London research, and it affects roughly half of adults worldwide.<\/p>\n\t\t\t\t\t<a role=\"heading\" aria-level=\"2\" tabindex=\"-1\"  id=\"fl-accordion--label-2\"><h3>How does a tooth infection affect the rest of the body?<\/h3><\/a>\n\t\t\t\t\t\t\t\t\t\t\t<button type=\"button\" id=\"fl-accordion--icon-2\" aria-expanded=\"false\" aria-controls=\"fl-accordion--panel-2\"><i>Expand<\/i><\/button>\n\t\t\t\t\t<p>When bacteria from an infected tooth enter the bloodstream, they can trigger an inflammatory response that extends well beyond the mouth. Chronic inflammation is a known contributor to conditions like heart disease and reduced blood sugar control. Treating the infection at its source, through root canal treatment, removes the bacteria and helps calm that inflammatory response.<\/p>\n\t\t\t\t\t<a role=\"heading\" aria-level=\"2\" tabindex=\"-1\"  id=\"fl-accordion--label-3\"><h3>Does treating a root canal infection lower diabetes risk?<\/h3><\/a>\n\t\t\t\t\t\t\t\t\t\t\t<button type=\"button\" id=\"fl-accordion--icon-3\" aria-expanded=\"false\" aria-controls=\"fl-accordion--panel-3\"><i>Expand<\/i><\/button>\n\t\t\t\t\t<p>Research suggests it may help. In the King&#8217;s College London study, patients showed significantly improved blood sugar levels over the two years following successful root canal treatment. Blood sugar regulation is a key factor in preventing diabetes, so reducing the infection&#8217;s inflammatory burden appears to support better metabolic health.<\/p>\n\t\t\t\t\t<a role=\"heading\" aria-level=\"2\" tabindex=\"-1\"  id=\"fl-accordion--label-4\"><h3>Is there a link between root canal treatment and heart health?<\/h3><\/a>\n\t\t\t\t\t\t\t\t\t\t\t<button type=\"button\" id=\"fl-accordion--icon-4\" aria-expanded=\"false\" aria-controls=\"fl-accordion--panel-4\"><i>Expand<\/i><\/button>\n\t\t\t\t\t<p>Yes, though not in the way many people assume. Root canal treatment itself does not cause heart problems. Instead, new research shows that successful treatment of an underlying tooth infection is associated with improved cholesterol and blood fat levels, both of which play an important role in cardiovascular health. Learn more about common misconceptions around root canals and systemic health on our <a href=\"https:\/\/www.aae.org\/patients\/root-canal-treatment\/myths-root-canals\/\">Myths About Root Canals<\/a> page.<\/p>\n\t\t\t\t\t<a role=\"heading\" aria-level=\"2\" tabindex=\"-1\"  id=\"fl-accordion--label-5\"><h3>How soon do these health benefits appear after treatment?<\/h3><\/a>\n\t\t\t\t\t\t\t\t\t\t\t<button type=\"button\" id=\"fl-accordion--icon-5\" aria-expanded=\"false\" aria-controls=\"fl-accordion--panel-5\"><i>Expand<\/i><\/button>\n\t\t\t\t\t<p>The King&#8217;s College London research tracked patients over two years, and some improvements, like changes in blood fats, appeared in the shorter term, while blood sugar improvements continued over a longer period. Individual results vary, and root canal treatment should be viewed as one part of an overall approach to health, not a quick fix for an existing condition.<\/p>\n\t\t\t\t\t<a role=\"heading\" aria-level=\"2\" tabindex=\"-1\"  id=\"fl-accordion--label-6\"><h3>Should you treat a tooth infection even without pain?<\/h3><\/a>\n\t\t\t\t\t\t\t\t\t\t\t<button type=\"button\" id=\"fl-accordion--icon-6\" aria-expanded=\"false\" aria-controls=\"fl-accordion--panel-6\"><i>Expand<\/i><\/button>\n\t\t\t\t\t<p>Yes. Apical periodontitis can be present with no noticeable symptoms, especially in its early stages. Because untreated infection allows bacteria to affect the rest of the body over time, addressing it before it becomes painful is one of the best ways to protect both your tooth and your overall health.<\/p>\n\t\t\t\t\t<a role=\"heading\" aria-level=\"2\" tabindex=\"-1\"  id=\"fl-accordion--label-7\"><h3>Does this mean untreated tooth infections cause diabetes or heart disease?<\/h3><\/a>\n\t\t\t\t\t\t\t\t\t\t\t<button type=\"button\" id=\"fl-accordion--icon-7\" aria-expanded=\"false\" aria-controls=\"fl-accordion--panel-7\"><i>Expand<\/i><\/button>\n\t\t\t\t\t<p>Not exactly. The research shows an association, not direct causation. Chronic infection and inflammation are known contributing risk factors for these conditions, and treating the infection appears to reduce that contribution. Genetics, diet, activity level and other health factors all play a role as well. Learn more about <a href=\"https:\/\/www.aae.org\/patients\/root-canal-treatment\/what-is-a-root-canal\/root-canal-explained\/\">how root canal treatment works.<\/a><\/p>\n<h2>\n\t\t\tContent Review &#038; Medical Accuracy\t<\/h2>\n\t<p>The information on this page is reviewed by members of the American Association of Endodontists who are board-certified endodontists from the American Board of Endodontists and updated regularly to reflect current clinical standards and research.<\/p>\n<p>This information is for educational purposes and is not a substitute for professional advice. For specific questions about your needs, please contact an AAE Endodontist through the Find My Endodontist Directory.<\/p>\n\n","protected":false},"excerpt":{"rendered":"<p>Whole-Body Benefits of Root Canal Treatment Last updated: July 13, 2026 Root canal treatment may do more than save your tooth. Research shows it can lower diabetes and heart disease risk by treating infection early. Root Canals Help Overall Health Groundbreaking research from King&#8217;s College London shows that root canal treatment can help protect more&hellip;<\/p>\n","protected":false},"author":5,"featured_media":0,"parent":27,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"tpl-sidebar.php","meta":{"_acf_changed":false,"content-type":"","_relevanssi_hide_post":"","_relevanssi_hide_content":"","_relevanssi_pin_for_all":"","_relevanssi_pin_keywords":"","_relevanssi_unpin_keywords":"","_relevanssi_related_keywords":"","_relevanssi_related_include_ids":"","_relevanssi_related_exclude_ids":"","_relevanssi_related_no_append":"","_relevanssi_related_not_related":"","_relevanssi_related_posts":"","_relevanssi_noindex_reason":"","footnotes":""},"class_list":["post-46796","page","type-page","status-publish","hentry","no-featured-image"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Whole-body Benefits - American Association of Endodontists<\/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.aae.org\/patients\/root-canal-treatment\/what-is-a-root-canal\/benefits-root-canal-treatment\/whole-body-benefits\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Whole-body Benefits - American Association of Endodontists\" \/>\n<meta property=\"og:description\" content=\"Whole-Body Benefits of Root Canal Treatment Last updated: July 13, 2026 Root canal treatment may do more than save your tooth. Research shows it can lower diabetes and heart disease risk by treating infection early. 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