{"id":30124,"date":"2026-06-18T09:54:20","date_gmt":"2026-06-18T02:54:20","guid":{"rendered":"https:\/\/smilux.vn\/?p=30124"},"modified":"2026-06-19T08:50:24","modified_gmt":"2026-06-19T01:50:24","slug":"do-teeth-turn-yellow-again-after-whitening","status":"publish","type":"post","link":"https:\/\/smilux.vn\/en\/do-teeth-turn-yellow-again-after-whitening\/","title":{"rendered":"Do Teeth Turn Yellow Again After Whitening?"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"30124\" class=\"elementor elementor-30124 elementor-30084\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7e0bf3c2 e-con-full e-flex e-con e-parent\" data-id=\"7e0bf3c2\" data-element_type=\"container\" data-settings=\"{&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3645032 elementor-widget elementor-widget-spacer\" data-id=\"3645032\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-22515de8 e-flex e-con-boxed e-con e-parent\" data-id=\"22515de8\" data-element_type=\"container\" data-settings=\"{&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6409311b elementor-widget elementor-widget-elementskit-breadcrumb\" data-id=\"6409311b\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"elementskit-breadcrumb.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"ekit-wid-con\" ><ol class=\"ekit-breadcrumb\"><li class=\"ekit_breadcrumbs_start\"><span class=\"ekit_home_icon\"> <i class=\"fas fa-home\"><\/i> <\/span><a href=\"https:\/\/smilux.vn\/en\/\">Home<\/a><\/li> <li class=\"brd_sep\"> &raquo; <\/li> <li><a href=\"https:\/\/smilux.vn\/en\/teeth-and-gums-knowledge\/\">Knowledge of teeth and gums<\/a><\/li> <li class=\"brd_sep\"> &raquo; <\/li>  <li>Do Teeth Turn Yellow Again After Whitening?<\/li><\/ol><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-120a2739 at-heading-animation at-animation-heading-none elementor-widget elementor-widget-heading\" data-id=\"120a2739\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">Do Teeth Turn Yellow Again After Whitening?<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8c1cc65 elementor-widget elementor-widget-text-editor\" data-id=\"8c1cc65\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>After teeth whitening, everyone hopes to maintain a bright, white smile for a long time. However, many people are concerned that their teeth may quickly turn yellow again after a while. So, <span style=\"color: #003366;\"><strong><a href=\"https:\/\/smilux.vn\/en\/do-teeth-turn-yellow-again-after-whitening\/\">Do Teeth Turn Yellow Again After Whitening<\/a>?<\/strong><\/span> What causes this, and how can you maintain your tooth shade after whitening?<\/p><p>In the article below, <b>Smilux Dental<\/b> dentists will help you understand why teeth may become yellow again after whitening, how long the whitening results can last, and how to care for your teeth properly to help reduce the risk of staining again.<\/p><figure id=\"attachment_30125\" aria-describedby=\"caption-attachment-30125\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img fetchpriority=\"high\" decoding=\"async\" class=\"wp-image-30125 size-full\" title=\"Do Teeth Turn Yellow Again After Whitening?\" src=\"https:\/\/smilux.vn\/wp-content\/uploads\/2026\/06\/Do-Teeth-Turn-Yellow-Again-After-Whitening-smilux-dental.jpg\" alt=\"Do Teeth Turn Yellow Again After Whitening smilux dental\" width=\"900\" height=\"600\" srcset=\"https:\/\/smilux.vn\/wp-content\/uploads\/2026\/06\/Do-Teeth-Turn-Yellow-Again-After-Whitening-smilux-dental.jpg 900w, https:\/\/smilux.vn\/wp-content\/uploads\/2026\/06\/Do-Teeth-Turn-Yellow-Again-After-Whitening-smilux-dental-300x200.jpg 300w, https:\/\/smilux.vn\/wp-content\/uploads\/2026\/06\/Do-Teeth-Turn-Yellow-Again-After-Whitening-smilux-dental-768x512.jpg 768w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><figcaption id=\"caption-attachment-30125\" class=\"wp-caption-text\">Do Teeth Turn Yellow Again After Whitening?<\/figcaption><\/figure><div id=\"ez-toc-container\" class=\"ez-toc-v2_0_76 counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">M\u1ee4C L\u1ee4C (TABLE)<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #00245e;color:#00245e\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #00245e;color:#00245e\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 eztoc-toggle-hide-by-default' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/smilux.vn\/en\/do-teeth-turn-yellow-again-after-whitening\/#Do_Teeth_Turn_Yellow_Again_After_Whitening\" >Do Teeth Turn Yellow Again After Whitening?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/smilux.vn\/en\/do-teeth-turn-yellow-again-after-whitening\/#Why_Do_Teeth_Turn_Yellow_Again_After_Whitening\" >Why Do Teeth Turn Yellow Again After Whitening?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/smilux.vn\/en\/do-teeth-turn-yellow-again-after-whitening\/#What_Should_You_Do_If_Your_Teeth_Turn_Yellow_After_Whitening\" >What Should You Do If Your Teeth Turn Yellow After Whitening?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/smilux.vn\/en\/do-teeth-turn-yellow-again-after-whitening\/#Teeth_Whitening_with_Activated_Charcoal\" >Teeth Whitening with Activated Charcoal<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/smilux.vn\/en\/do-teeth-turn-yellow-again-after-whitening\/#Teeth_Whitening_with_Salt_and_Lemon\" >Teeth Whitening with Salt and Lemon<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/smilux.vn\/en\/do-teeth-turn-yellow-again-after-whitening\/#Teeth_Whitening_with_Salt_and_Baking_Soda\" >Teeth Whitening with Salt and Baking Soda<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/smilux.vn\/en\/do-teeth-turn-yellow-again-after-whitening\/#Oral_Care_Guidelines_to_Help_Reduce_Tooth_Discoloration_After_Whitening\" >Oral Care Guidelines to Help Reduce Tooth Discoloration After Whitening<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/smilux.vn\/en\/do-teeth-turn-yellow-again-after-whitening\/#CONCLUSION\" >CONCLUSION<\/a><\/li><\/ul><\/nav><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-435bf821 elementor-widget__width-inherit elementor-widget elementor-widget-heading\" data-id=\"435bf821\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><span class=\"ez-toc-section\" id=\"Do_Teeth_Turn_Yellow_Again_After_Whitening\"><\/span>Do Teeth Turn Yellow Again After Whitening?<span class=\"ez-toc-section-end\"><\/span><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4d2417f7 elementor-widget elementor-widget-text-editor\" data-id=\"4d2417f7\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Do Teeth Turn Yellow Again After Whitening? The answer is YES. Teeth whitening is a method that helps improve tooth shade in cases where teeth become yellow or dull due to external staining. However, the results of teeth whitening do not last permanently. After a period of time, teeth can still turn yellow again due to certain objective or individual factors.<\/p><p>Essentially, this method only helps brighten the tooth shade on the outer enamel layer, but it does not change the color of the dentin inside. Therefore, when teeth continue to be exposed to staining factors, the tooth shade will gradually become dull and yellow again.<\/p><p>How long it takes for teeth to turn yellow again after whitening varies from patient to patient. Some people can maintain a stable tooth shade for several years, while in other cases, teeth may become stained again sooner if they are not cared for properly.<\/p><p>If you want to know how long teeth whitening results can last and which factors affect shade retention, you can refer to the article How Long Does Teeth Whitening Last? to better understand before deciding to have the treatment.<\/p><p><img decoding=\"async\" class=\"wp-image-30088 size-full\" title=\"T\u1ea9y tr\u1eafng r\u0103ng v\u1eabn c\u00f3 th\u1ec3 v\u00e0ng l\u1ea1i.\" src=\"https:\/\/smilux.vn\/wp-content\/uploads\/2026\/06\/Tay-trang-rang-co-bi-vang-lai-khong.jpg\" alt=\"T\u1ea9y tr\u1eafng r\u0103ng v\u1eabn c\u00f3 th\u1ec3 v\u00e0ng l\u1ea1i.\" width=\"900\" height=\"600\" srcset=\"https:\/\/smilux.vn\/wp-content\/uploads\/2026\/06\/Tay-trang-rang-co-bi-vang-lai-khong.jpg 900w, https:\/\/smilux.vn\/wp-content\/uploads\/2026\/06\/Tay-trang-rang-co-bi-vang-lai-khong-300x200.jpg 300w, https:\/\/smilux.vn\/wp-content\/uploads\/2026\/06\/Tay-trang-rang-co-bi-vang-lai-khong-768x512.jpg 768w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-467b8ee2 elementor-widget__width-inherit elementor-widget elementor-widget-heading\" data-id=\"467b8ee2\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><span class=\"ez-toc-section\" id=\"Why_Do_Teeth_Turn_Yellow_Again_After_Whitening\"><\/span>Why Do Teeth Turn Yellow Again After Whitening?<span class=\"ez-toc-section-end\"><\/span><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6007e30c elementor-widget elementor-widget-text-editor\" data-id=\"6007e30c\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Teeth whitening helps make teeth appear brighter. However, in reality, many patients still experience yellowing again only a few days after whitening. This does not mean that the whitening process is ineffective.<\/p><p>In dentistry, this condition is called early re-staining, which is often related to the following causes:<\/p><ul><li>Smoking: This is the leading cause of teeth turning yellow again after whitening. Nicotine and tar in cigarette smoke can easily adhere to the tooth surface, forming yellow or brown stains.<\/li><li>Consuming colored foods and drinks: Dark-colored foods and beverages such as coffee, tea, colored soft drinks, curry, soy sauce, or foods containing artificial coloring can easily cause teeth to become stained again. When consumed regularly, these pigments adhere to the enamel, causing the tooth shade to gradually become less bright than it was immediately after whitening.<\/li><li>Using low-quality teeth whitening products: Using whitening products of unclear origin or whitening teeth incorrectly at home can easily affect the enamel. When the enamel becomes weaker, the tooth surface becomes more sensitive and more prone to staining again.<\/li><li>Oral diseases: Dental problems such as gingivitis, tartar, accumulated plaque, or poor oral hygiene can also cause teeth to turn yellow again more quickly. When the tooth surface is not clean, the tooth shade becomes less bright and more susceptible to staining.<\/li><\/ul><p><img decoding=\"async\" class=\"wp-image-30089 size-full\" title=\"hu\u1ed1c l\u00e1 l\u00e0 m\u1ed9t trong nh\u1eefng nguy\u00ean nh\u00e2n khi\u1ebfn r\u0103ng nhanh v\u00e0ng l\u1ea1i sau khi t\u1ea9y tr\u1eafng\" src=\"https:\/\/smilux.vn\/wp-content\/uploads\/2026\/06\/Tai-sao-tay-trang-rang-xong-bi-vang-lai\u200b.jpg\" alt=\"hu\u1ed1c l\u00e1 l\u00e0 m\u1ed9t trong nh\u1eefng nguy\u00ean nh\u00e2n khi\u1ebfn r\u0103ng nhanh v\u00e0ng l\u1ea1i sau khi t\u1ea9y tr\u1eafng\" width=\"900\" height=\"600\" srcset=\"https:\/\/smilux.vn\/wp-content\/uploads\/2026\/06\/Tai-sao-tay-trang-rang-xong-bi-vang-lai\u200b.jpg 900w, https:\/\/smilux.vn\/wp-content\/uploads\/2026\/06\/Tai-sao-tay-trang-rang-xong-bi-vang-lai\u200b-300x200.jpg 300w, https:\/\/smilux.vn\/wp-content\/uploads\/2026\/06\/Tai-sao-tay-trang-rang-xong-bi-vang-lai\u200b-768x512.jpg 768w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-529810e8 at-heading-animation at-animation-heading-none elementor-widget elementor-widget-heading\" data-id=\"529810e8\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><span class=\"ez-toc-section\" id=\"What_Should_You_Do_If_Your_Teeth_Turn_Yellow_After_Whitening\"><\/span>What Should You Do If Your Teeth Turn Yellow After Whitening?<span class=\"ez-toc-section-end\"><\/span><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-76eecfea elementor-widget elementor-widget-text-editor\" data-id=\"76eecfea\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>After <a href=\"https:\/\/smilux.vn\/en\/teeth-whitening\/\"><span style=\"color: #003366;\"><b>teeth whitening<\/b><\/span><\/a>, many patients feel disappointed when their teeth quickly turn yellow again. However, dentists do not recommend having teeth whitening treatment too many times within a short period, as this can easily cause tooth sensitivity, make the gums more sensitive, and affect the enamel surface.<\/p><p>To improve tooth shade after whitening, patients can refer to some of the methods below:<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-544f3250 at-heading-animation at-animation-heading-none elementor-widget elementor-widget-heading\" data-id=\"544f3250\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\"><span class=\"ez-toc-section\" id=\"Teeth_Whitening_with_Activated_Charcoal\"><\/span>Teeth Whitening with Activated Charcoal<span class=\"ez-toc-section-end\"><\/span><\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-49d483c8 elementor-widget elementor-widget-text-editor\" data-id=\"49d483c8\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>The components in activated charcoal can adsorb plaque, color deposits, and some stains on the tooth surface, thereby helping teeth appear brighter. When using it, patients should brush gently and avoid scrubbing too hard, as this can easily wear down the enamel surface.<\/p><p>However, activated charcoal is only suitable for supporting the removal of external stains and does not replace professional teeth whitening treatment at a dental clinic.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-386590c7 at-heading-animation at-animation-heading-none elementor-widget elementor-widget-heading\" data-id=\"386590c7\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\"><span class=\"ez-toc-section\" id=\"Teeth_Whitening_with_Salt_and_Lemon\"><\/span>Teeth Whitening with Salt and Lemon<span class=\"ez-toc-section-end\"><\/span><\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-41227ba6 elementor-widget elementor-widget-text-editor\" data-id=\"41227ba6\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Lemon contains natural acid, which can help remove mild surface stains on teeth. When combined with salt, this mixture helps clean the teeth better and reduce the dull appearance that may occur after consuming dark-colored foods for a period of time.<\/p><p>However, lemon is acidic, so it should not be used frequently. Patients should only use a small amount, apply it gently, and rinse their mouth thoroughly after brushing. If overused, the acid in lemon can weaken the enamel, causing tooth sensitivity and making teeth more likely to turn yellow again.<\/p><p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-30090 size-full\" title=\"L\u00e0m tr\u1eafng r\u0103ng b\u1eb1ng mu\u1ed1i v\u00e0 chanh\" src=\"https:\/\/smilux.vn\/wp-content\/uploads\/2026\/06\/Tay-trang-rang-xong-bi-vang-phai-lam-sao.jpg\" alt=\"L\u00e0m tr\u1eafng r\u0103ng b\u1eb1ng mu\u1ed1i v\u00e0 chanh\" width=\"900\" height=\"600\" srcset=\"https:\/\/smilux.vn\/wp-content\/uploads\/2026\/06\/Tay-trang-rang-xong-bi-vang-phai-lam-sao.jpg 900w, https:\/\/smilux.vn\/wp-content\/uploads\/2026\/06\/Tay-trang-rang-xong-bi-vang-phai-lam-sao-300x200.jpg 300w, https:\/\/smilux.vn\/wp-content\/uploads\/2026\/06\/Tay-trang-rang-xong-bi-vang-phai-lam-sao-768x512.jpg 768w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5fcf0d2c at-heading-animation at-animation-heading-none elementor-widget elementor-widget-heading\" data-id=\"5fcf0d2c\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\"><span class=\"ez-toc-section\" id=\"Teeth_Whitening_with_Salt_and_Baking_Soda\"><\/span>Teeth Whitening with Salt and Baking Soda<span class=\"ez-toc-section-end\"><\/span><\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1edd9603 elementor-widget elementor-widget-text-editor\" data-id=\"1edd9603\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Baking soda is commonly used to help remove plaque and mild stains on the tooth surface. When combined with salt, this mixture helps clean the teeth more effectively, making the tooth surface appear brighter and smoother after cleaning.<\/p><p>However, baking soda has mild abrasive properties. Patients should not use it too many times per week or brush too hard. Improper use can easily damage the enamel, making teeth more sensitive when consuming hot, cold, or sour foods.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-16a60a8e elementor-widget elementor-widget-text-editor\" data-id=\"16a60a8e\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><em>Note: The methods above only help support teeth cleaning and reduce external surface stains. If teeth turn yellow again quickly, become deeply discolored, or remain sensitive for a prolonged period after whitening, patients should visit a dental clinic so the dentist can examine the condition of the enamel and recommend an appropriate treatment option.<\/em><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6da0f43a at-heading-animation at-animation-heading-none elementor-widget elementor-widget-heading\" data-id=\"6da0f43a\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><span class=\"ez-toc-section\" id=\"Oral_Care_Guidelines_to_Help_Reduce_Tooth_Discoloration_After_Whitening\"><\/span>Oral Care Guidelines to Help Reduce Tooth Discoloration After Whitening<span class=\"ez-toc-section-end\"><\/span><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-64721676 elementor-widget elementor-widget-text-editor\" data-id=\"64721676\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>To help teeth maintain their bright, white shade for longer after whitening, you should practice proper oral hygiene and limit habits that can cause teeth to become stained again. Specifically:<\/p><ul><li>Practice proper oral hygiene: After teeth whitening, you should brush your teeth gently at least twice a day using a soft-bristled toothbrush and fluoride toothpaste. In addition, you should use dental floss, a water flosser, and a suitable mouthwash to clean food debris left between the teeth and along the gumline.<\/li><li>Limit dark-colored foods and beverages: During the initial period after whitening, you should limit coffee, tea, colored soft drinks, wine, soy sauce, curry, and dark-colored foods. If you consume dark-colored beverages, you should use a straw to reduce direct contact with the teeth. After eating or drinking, you should rinse your mouth with clean water or clean your teeth properly.<\/li><li>Limit smoking and alcohol: Cigarettes can easily create yellow or brown stains on the teeth, while alcohol can make the oral cavity drier, allowing plaque and food pigments to remain on the tooth surface more easily. If you smoke or consume alcohol regularly, your tooth shade will fade more quickly.<\/li><li>Have regular dental check-ups: You should have a dental check-up every 6 months or follow your dentist\u2019s appointment schedule. During each visit, the dentist will check your tooth shade, enamel condition, and gums, and remove tartar if needed.<\/li><\/ul><p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-30091 size-full\" title=\"H\u01b0\u1edbng d\u1eabn c\u00e1ch ch\u0103m s\u00f3c gi\u00fap r\u0103ng h\u1ea1n ch\u1ebf \u1ed1 v\u00e0ng sau khi t\u1ea9y tr\u1eafng\" src=\"https:\/\/smilux.vn\/wp-content\/uploads\/2026\/06\/Huong-dan-cach-cham-soc-giup-rang-han-che-o-vang-sau-khi-tay-trang.jpg\" alt=\"H\u01b0\u1edbng d\u1eabn c\u00e1ch ch\u0103m s\u00f3c gi\u00fap r\u0103ng h\u1ea1n ch\u1ebf \u1ed1 v\u00e0ng sau khi t\u1ea9y tr\u1eafng \" width=\"900\" height=\"600\" srcset=\"https:\/\/smilux.vn\/wp-content\/uploads\/2026\/06\/Huong-dan-cach-cham-soc-giup-rang-han-che-o-vang-sau-khi-tay-trang.jpg 900w, https:\/\/smilux.vn\/wp-content\/uploads\/2026\/06\/Huong-dan-cach-cham-soc-giup-rang-han-che-o-vang-sau-khi-tay-trang-300x200.jpg 300w, https:\/\/smilux.vn\/wp-content\/uploads\/2026\/06\/Huong-dan-cach-cham-soc-giup-rang-han-che-o-vang-sau-khi-tay-trang-768x512.jpg 768w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4b51a19a at-heading-animation at-animation-heading-none elementor-widget elementor-widget-heading\" data-id=\"4b51a19a\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<p class=\"elementor-heading-title elementor-size-default\">BOOK APPOINTMENT\u200b<\/p>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-60cde069 elementor-widget elementor-widget-elementskit-contact-form7\" data-id=\"60cde069\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"elementskit-contact-form7.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"ekit-wid-con\" ><div class=\"ekit-form\">\n<div class=\"wpcf7 no-js\" id=\"wpcf7-f14199-p30124-o1\" lang=\"vi\" dir=\"ltr\" data-wpcf7-id=\"14199\">\n<div class=\"screen-reader-response\"><p role=\"status\" aria-live=\"polite\" aria-atomic=\"true\"><\/p> <ul><\/ul><\/div>\n<form action=\"\/en\/do-teeth-turn-yellow-again-after-whitening\/#wpcf7-f14199-p30124-o1\" method=\"post\" class=\"wpcf7-form init\" aria-label=\"Form li\u00ean h\u1ec7\" novalidate=\"novalidate\" data-status=\"init\">\n<fieldset class=\"hidden-fields-container\"><input type=\"hidden\" name=\"_wpcf7\" value=\"14199\" \/><input type=\"hidden\" name=\"_wpcf7_version\" value=\"6.1.2\" \/><input type=\"hidden\" name=\"_wpcf7_locale\" value=\"vi\" \/><input type=\"hidden\" name=\"_wpcf7_unit_tag\" value=\"wpcf7-f14199-p30124-o1\" \/><input type=\"hidden\" name=\"_wpcf7_container_post\" value=\"30124\" \/><input type=\"hidden\" name=\"_wpcf7_posted_data_hash\" value=\"\" \/>\n<\/fieldset>\n\n<div class=\"row\">\n\t<div class=\"form-group col-md-6 mb-6 mb-4\">\n\t\t<p><span class=\"wpcf7-form-control-wrap\" data-name=\"your-name\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-text wpcf7-validates-as-required form-control\" id=\"name\" aria-required=\"true\" aria-invalid=\"false\" placeholder=\"Your Name\" value=\"\" type=\"text\" name=\"your-name\" \/><\/span>\n\t\t<\/p>\n\t<\/div>\n\t<div class=\"form-group col-md-6 mb-6 mb-4\">\n\t\t<p><span class=\"wpcf7-form-control-wrap\" data-name=\"phone\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-tel wpcf7-validates-as-required wpcf7-text wpcf7-validates-as-tel form-control\" id=\"phone\" aria-required=\"true\" aria-invalid=\"false\" placeholder=\"Your Phone\" value=\"\" type=\"tel\" name=\"phone\" \/><\/span>\n\t\t<\/p>\n\t<\/div>\n\t<div class=\"form-group col-md-12 mb-4\">\n\t\t<p><span class=\"wpcf7-form-control-wrap\" data-name=\"message\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-text form-control\" id=\"msg\" aria-invalid=\"false\" placeholder=\"Consultation Details\" value=\"\" type=\"text\" name=\"message\" \/><\/span>\n\t\t<\/p>\n\t<\/div>\n\t<div class=\"col-md-12 mb-3 mb-4 form-btn text-center\">\n\t\t<p><input class=\"wpcf7-form-control wpcf7-submit has-spinner btn-default\" id=\"msgSubmit\" type=\"submit\" value=\"Send Now\" \/>\n\t\t<\/p>\n\t<\/div>\n<\/div><input type='hidden' class='wpcf7-pum' value='{\"closepopup\":false,\"closedelay\":0,\"openpopup\":false,\"openpopup_id\":0}' \/><div class=\"wpcf7-response-output\" aria-hidden=\"true\"><\/div>\n<\/form>\n<\/div>\n<\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6570e906 at-heading-animation at-animation-heading-none elementor-widget elementor-widget-heading\" data-id=\"6570e906\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><span class=\"ez-toc-section\" id=\"CONCLUSION\"><\/span>CONCLUSION<span class=\"ez-toc-section-end\"><\/span><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-47026aa2 elementor-widget elementor-widget-text-editor\" data-id=\"47026aa2\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>We hope the information from Smilux Dental dentists has helped you clearly answer the question, \u201c<strong>Do Teeth Turn Yellow Again After Whitening?<\/strong>\u201d. In reality, teeth can still lose their brightness after whitening if they are not cared for properly or are frequently exposed to foods and beverages that easily cause staining.<\/p><p>If you are concerned that your teeth may turn yellow again after whitening, please contact <a href=\"https:\/\/smilux.vn\/en\/\"><span style=\"color: #003366;\"><b>Smilux Dental<\/b><\/span><\/a> via <span style=\"color: #003366;\"><b>HOTLINE (+84) 866 251 379<\/b><\/span> so our dentists can examine your teeth, assess the level of discoloration, and recommend a suitable care plan.<\/p><p><em>Note: The content in this article is for reference only and does not replace a dentist\u2019s diagnosis or clinical recommendation. For accurate advice based on your oral condition, you should visit a dental specialist directly.<\/em><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-19be593 e-con-full e-grid e-con e-child\" data-id=\"19be593\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;,&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2364aac4 at-image-animation at-animation-image-none elementor-widget elementor-widget-image\" data-id=\"2364aac4\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"600\" src=\"https:\/\/smilux.vn\/wp-content\/uploads\/2026\/04\/bs-hoang-danh-ngan-moi-nhat.png\" class=\"attachment-2048x2048 size-2048x2048 wp-image-28179\" alt=\"bs ho\u00e0ng danh ng\u00e2n m\u1edbi nh\u1ea5t\" srcset=\"https:\/\/smilux.vn\/wp-content\/uploads\/2026\/04\/bs-hoang-danh-ngan-moi-nhat.png 600w, https:\/\/smilux.vn\/wp-content\/uploads\/2026\/04\/bs-hoang-danh-ngan-moi-nhat-300x300.png 300w, https:\/\/smilux.vn\/wp-content\/uploads\/2026\/04\/bs-hoang-danh-ngan-moi-nhat-150x150.png 150w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-3427e905 e-con-full e-flex e-con e-child\" data-id=\"3427e905\" data-element_type=\"container\" data-settings=\"{&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-308eed49 elementor-widget elementor-widget-text-editor\" data-id=\"308eed49\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<span style=\"color: #003366; font-size: 18px;\">PROFESSIONAL CONSULTATION: DR. HOANG DANH NGAN<\/span>\n\nDr. Hoang Danh Ngan, MSc., DDS., CHUWS, is one of the leading dental professionals at Smilux Dental, with over 15 years of clinical experience.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4e5e21a7 elementor-align-center elementor-widget elementor-widget-elementskit-button\" data-id=\"4e5e21a7\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"elementskit-button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"ekit-wid-con\" >\t\t<div class=\"ekit-btn-wraper\">\n\t\t\t\t\t\t\t<a href=\"https:\/\/smilux.vn\/en\/master-doctor-hoang-danh-ngan-general-dentistry-specialty\/\" class=\"elementskit-btn  whitespace--normal\" id=\"\">\n\t\t\t\t\t<i class=\"far fa-arrow-alt-circle-right\"><\/i>Review The Profile\t\t\t\t<\/a>\n\t\t\t\t\t<\/div>\n        <\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-6605fcdb e-con-full e-flex e-con e-parent\" data-id=\"6605fcdb\" data-element_type=\"container\" data-settings=\"{&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6fa9e49d at-heading-animation at-animation-heading-none elementor-widget elementor-widget-heading\" data-id=\"6fa9e49d\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<p class=\"elementor-heading-title elementor-size-default\">---------- Teeth And Gums Knowledge ----------<\/p>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3110429d elementor-widget elementor-widget-elementskit-blog-posts\" data-id=\"3110429d\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"elementskit-blog-posts.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"ekit-wid-con\" >\n        <div id=\"post-items--3110429d\" class=\"row post-items ekit-blog-posts-content wihout-masonry \" data-enable=\"no\">\n\n\t\t\t<!-- Blog Carousel markup render -->\n\t\t\t\n\n            <div class=\"col-lg-3 col-md-6\">\n\n                                    <div class=\"elementskit-post-image-card\">\n                        <div class=\"elementskit-entry-header\">\n                                                            <a href=\"https:\/\/smilux.vn\/en\/can-teeth-stained-by-tetracycline-be-whitened\/\" class=\"elementskit-entry-thumb\">\n                                    <img decoding=\"async\" src=\"https:\/\/smilux.vn\/wp-content\/uploads\/2026\/06\/Can-teeth-stained-by-tetracycline-be-whitened-smilux.jpg\" alt=\"Can teeth stained by tetracycline be whitened?\">\n                                <\/a><!-- .elementskit-entry-thumb END -->\n                                                                                                    <div class=\"elementskit-meta-lists elementskit-style-tag\">\n                                        <div class=\"elementskit-single-meta triangle_left\"><span class=\"elementskit-meta-wraper\"><strong>18<\/strong>Jun<\/span><\/div>\n                                    <\/div>\n                                                                                            \n                                                            <div class=\"elementskit-meta-categories\">\n                                    <span class=\"elementskit-meta-wraper\">\n                                        <span><a href=\"https:\/\/smilux.vn\/en\/teeth-and-gums-knowledge\/\" rel=\"category tag\">Knowledge of teeth and gums<\/a><\/span>\n                                    <\/span>\n                                <\/div>\n                            \n                                                    <\/div><!-- .elementskit-entry-header END -->\n\n                        <div class=\"elementskit-post-body \">\n                            \n                                                                                                                                                        \n                                        \n                                                                                                                                                                            <p>Can teeth stained by tetracycline be whitened? Learn which cases are suitable for teeth whitening and when porcelain veneers or dental crowns may be recommended to safely improve tooth color. Smilux provides personalized treatment advice based on the severity of discoloration and the condition of the tooth enamel.<\/p>\n                                                                                                                                                        <div class=\"btn-wraper\">\n                                    \n                                                                            <a href=\"https:\/\/smilux.vn\/en\/can-teeth-stained-by-tetracycline-be-whitened\/\" class=\"elementskit-btn  whitespace--normal\" >\n                                                                                    Read more                                        <\/a>\n                                                                    <\/div>\n                                                    <\/div><!-- .elementskit-post-body END -->\n                    <\/div>\n                \n            <\/div>\t\t\t\t\n\n            <div class=\"col-lg-3 col-md-6\">\n\n                                    <div class=\"elementskit-post-image-card\">\n                        <div class=\"elementskit-entry-header\">\n                                                            <a href=\"https:\/\/smilux.vn\/en\/do-teeth-turn-yellow-again-after-whitening\/\" class=\"elementskit-entry-thumb\">\n                                    <img decoding=\"async\" src=\"https:\/\/smilux.vn\/wp-content\/uploads\/2026\/06\/Do-Teeth-Turn-Yellow-Again-After-Whitening-smilux-dental.jpg\" alt=\"Do Teeth Turn Yellow Again After Whitening?\">\n                                <\/a><!-- .elementskit-entry-thumb END -->\n                                                                                                    <div class=\"elementskit-meta-lists elementskit-style-tag\">\n                                        <div class=\"elementskit-single-meta triangle_left\"><span class=\"elementskit-meta-wraper\"><strong>18<\/strong>Jun<\/span><\/div>\n                                    <\/div>\n                                                                                            \n                                                            <div class=\"elementskit-meta-categories\">\n                                    <span class=\"elementskit-meta-wraper\">\n                                        <span><a href=\"https:\/\/smilux.vn\/en\/teeth-and-gums-knowledge\/\" rel=\"category tag\">Knowledge of teeth and gums<\/a><\/span>\n                                    <\/span>\n                                <\/div>\n                            \n                                                    <\/div><!-- .elementskit-entry-header END -->\n\n                        <div class=\"elementskit-post-body \">\n                            \n                                                                                                                                                        \n                                        \n                                                                                                                                                                            <p>Do Teeth Turn Yellow Again After Whitening? In the article below, Smilux dentists will explain the causes of tooth discoloration after whitening and proper oral care methods to help reduce staining.<\/p>\n                                                                                                                                                        <div class=\"btn-wraper\">\n                                    \n                                                                            <a href=\"https:\/\/smilux.vn\/en\/do-teeth-turn-yellow-again-after-whitening\/\" class=\"elementskit-btn  whitespace--normal\" >\n                                                                                    Read more                                        <\/a>\n                                                                    <\/div>\n                                                    <\/div><!-- .elementskit-post-body END -->\n                    <\/div>\n                \n            <\/div>\t\t\t\t        <\/div>\n        \n        \n                    <div \n            data-ekit-blog-post-style=\"numbered\"\n            class=\"ekit-blog-post-pagination-container ekit-blog-post-pagination-style-numbered\" \n            id=\"post-nagivation--3110429d\">\n                            <\/div>\n\n            <\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Do Teeth Turn Yellow Again After Whitening? In the article below, Smilux dentists will explain the causes of tooth discoloration after whitening and proper oral care methods to help reduce staining.<\/p>\n","protected":false},"author":2,"featured_media":30125,"comment_status":"open","ping_status":"open","sticky":false,"template":"elementor_header_footer","format":"standard","meta":{"footnotes":""},"categories":[25],"tags":[],"class_list":["post-30124","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-teeth-and-gums-knowledge"],"_links":{"self":[{"href":"https:\/\/smilux.vn\/en\/wp-json\/wp\/v2\/posts\/30124","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/smilux.vn\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/smilux.vn\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/smilux.vn\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/smilux.vn\/en\/wp-json\/wp\/v2\/comments?post=30124"}],"version-history":[{"count":5,"href":"https:\/\/smilux.vn\/en\/wp-json\/wp\/v2\/posts\/30124\/revisions"}],"predecessor-version":[{"id":30135,"href":"https:\/\/smilux.vn\/en\/wp-json\/wp\/v2\/posts\/30124\/revisions\/30135"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/smilux.vn\/en\/wp-json\/wp\/v2\/media\/30125"}],"wp:attachment":[{"href":"https:\/\/smilux.vn\/en\/wp-json\/wp\/v2\/media?parent=30124"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/smilux.vn\/en\/wp-json\/wp\/v2\/categories?post=30124"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/smilux.vn\/en\/wp-json\/wp\/v2\/tags?post=30124"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}