{"id":30526,"date":"2026-06-25T11:50:36","date_gmt":"2026-06-25T04:50:36","guid":{"rendered":"https:\/\/smilux.vn\/?p=30526"},"modified":"2026-06-28T09:02:57","modified_gmt":"2026-06-28T02:02:57","slug":"why-are-my-teeth-still-not-white-after-whitening","status":"publish","type":"post","link":"https:\/\/smilux.vn\/en\/why-are-my-teeth-still-not-white-after-whitening\/","title":{"rendered":"Why Are My Teeth Still Not White After Whitening?"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"30526\" class=\"elementor elementor-30526 elementor-30433\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7af505d4 e-con-full e-flex e-con e-parent\" data-id=\"7af505d4\" 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-38ad89d4 elementor-widget elementor-widget-spacer\" data-id=\"38ad89d4\" 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-3f119ff6 e-flex e-con-boxed e-con e-parent\" data-id=\"3f119ff6\" 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-68bb8db7 elementor-widget elementor-widget-elementskit-breadcrumb\" data-id=\"68bb8db7\" 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>Why Are My Teeth Still Not White 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-1bfd7a29 at-heading-animation at-animation-heading-none elementor-widget elementor-widget-heading\" data-id=\"1bfd7a29\" 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\">Why Are My Teeth Still Not White After Whitening? Causes and Solutions<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-333007d7 elementor-widget elementor-widget-text-editor\" data-id=\"333007d7\" 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 is one of the cosmetic dental treatments many patients choose to improve tooth color and feel more confident when communicating. However, whitening does not always deliver the brighter tooth shade patients expect. In some cases, after treatment, the teeth may become only slightly brighter, appear unevenly white, or show almost no noticeable change. This is why many patients wonder, \u201c<span style=\"color: #003366;\"><strong><a href=\"https:\/\/smilux.vn\/en\/why-are-my-teeth-still-not-white-after-whitening\/\">Why are my teeth still not white after whitening<\/a>?<\/strong><\/span>\u201d<\/p><p>This condition can make patients feel concerned, especially when they expect their teeth to become several shades whiter after treatment. So what causes this issue, and how should it be managed safely for natural teeth? Let\u2019s learn more with the dentists at <b>Smilux Dental<\/b> in the article below.<\/p><figure id=\"attachment_30527\" aria-describedby=\"caption-attachment-30527\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img fetchpriority=\"high\" decoding=\"async\" class=\"wp-image-30527 size-full\" title=\"Why Are My Teeth Still Not White After Whitening?\" src=\"https:\/\/smilux.vn\/wp-content\/uploads\/2026\/06\/Why-Are-My-Teeth-Still-Not-White-After-Whitening-smilux.jpg\" alt=\"Why Are My Teeth Still Not White After Whitening?\" width=\"900\" height=\"600\" srcset=\"https:\/\/smilux.vn\/wp-content\/uploads\/2026\/06\/Why-Are-My-Teeth-Still-Not-White-After-Whitening-smilux.jpg 900w, https:\/\/smilux.vn\/wp-content\/uploads\/2026\/06\/Why-Are-My-Teeth-Still-Not-White-After-Whitening-smilux-300x200.jpg 300w, https:\/\/smilux.vn\/wp-content\/uploads\/2026\/06\/Why-Are-My-Teeth-Still-Not-White-After-Whitening-smilux-768x512.jpg 768w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><figcaption id=\"caption-attachment-30527\" class=\"wp-caption-text\">Why Are My Teeth Still Not White 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\/can-teeth-affected-by-dental-fluorosis-be-whitened\/#What_Is_Dental_Fluorosis\" >What Is Dental Fluorosis?<\/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\/can-teeth-affected-by-dental-fluorosis-be-whitened\/#Can_Teeth_Affected_by_Dental_Fluorosis_Be_Whitened\" >Can Teeth Affected by Dental Fluorosis Be Whitened?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/smilux.vn\/en\/can-teeth-affected-by-dental-fluorosis-be-whitened\/#Mild_Cases_of_Dental_Fluorosis\" >Mild Cases of Dental Fluorosis<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/smilux.vn\/en\/can-teeth-affected-by-dental-fluorosis-be-whitened\/#Severe_Cases_of_Dental_Fluorosis\" >Severe Cases of Dental Fluorosis<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/smilux.vn\/en\/can-teeth-affected-by-dental-fluorosis-be-whitened\/#Safe_and_Effective_Treatment_for_Dental_Fluorosis_at_Smilux_Dental\" >Safe and Effective Treatment for Dental Fluorosis at Smilux Dental<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/smilux.vn\/en\/can-teeth-affected-by-dental-fluorosis-be-whitened\/#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-50e1b427 elementor-widget__width-inherit elementor-widget elementor-widget-heading\" data-id=\"50e1b427\" 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\">Why Are My Teeth Still Not White After Whitening?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1a3f8c0b elementor-widget elementor-widget-text-editor\" data-id=\"1a3f8c0b\" 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 improve surface stains and makes the teeth appear brighter. This treatment is often effective for teeth with mild yellow or brown staining caused by lifestyle habits such as drinking coffee, tea, red wine, smoking, using e-cigarettes, or tooth enamel becoming darker over time.<\/p><p>However, it is important to note that whitening does not change the natural structure of the teeth, and not all types of discoloration respond well to treatment. The final result depends on the cause of tooth discoloration, enamel thickness, and each patient\u2019s individual response.<\/p><p>Below are the reasons why your teeth are still not white after whitening:<\/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-6fb327af elementor-widget__width-inherit elementor-widget elementor-widget-heading\" data-id=\"6fb327af\" 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\">Natural Tooth Color Due to Genetics<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4fefed12 elementor-widget elementor-widget-text-editor\" data-id=\"4fefed12\" 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>Not everyone is born with the same white tooth color. Similar to skin color or eye color, natural tooth color is strongly influenced by genetics.<\/p><p>In some people, the enamel is thicker and lighter in shade, making the teeth appear whiter. On the other hand, if the enamel is thin or slightly translucent, the yellowish dentin underneath can show through more easily, making the teeth look darker even with proper oral care.<\/p><p>In this case, teeth whitening can still help brighten the teeth, but it may be difficult to make them several shades whiter compared to people who naturally have a lighter baseline tooth shade.<\/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-71346e33 at-heading-animation at-animation-heading-none elementor-widget elementor-widget-heading\" data-id=\"71346e33\" 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\">Severe Internal Tooth Discoloration<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2f4a82e7 elementor-widget elementor-widget-text-editor\" data-id=\"2f4a82e7\" 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>In some cases, tooth discoloration does not come from external deposits on the tooth surface, but from within the enamel or dentin. This is known as intrinsic discoloration, which is often more difficult to improve than yellow staining caused by coffee, tea, or tobacco.<\/p><p>This condition may be related to Tetracycline use while the teeth were still developing, previous dental trauma, fluoride exposure during childhood, or incomplete formation of the enamel or dentin. To learn more about this issue, you can refer to the article: <span style=\"color: #003366;\"><b><a href=\"https:\/\/smilux.vn\/en\/can-teeth-stained-by-tetracycline-be-whitened\/\">Can teeth stained by tetracycline be whitened<\/a>?<\/b><\/span><\/p><p>For teeth with internal discoloration, teeth whitening may only provide slight improvement, or the teeth may show almost no whitening effect if the discoloration is severe.<\/p><p><img decoding=\"async\" class=\"wp-image-30437 size-full\" title=\"R\u0103ng nhi\u1ec5m m\u00e0u n\u1ed9i sinh th\u01b0\u1eddng kh\u00f3 tr\u1eafng r\u00f5 sau t\u1ea9y tr\u1eafng\" src=\"https:\/\/smilux.vn\/wp-content\/uploads\/2026\/06\/Tai-sao-tay-rang-khong-trang.jpg\" alt=\"R\u0103ng nhi\u1ec5m m\u00e0u n\u1ed9i sinh th\u01b0\u1eddng kh\u00f3 tr\u1eafng r\u00f5 sau t\u1ea9y tr\u1eafng\" width=\"900\" height=\"600\" srcset=\"https:\/\/smilux.vn\/wp-content\/uploads\/2026\/06\/Tai-sao-tay-rang-khong-trang.jpg 900w, https:\/\/smilux.vn\/wp-content\/uploads\/2026\/06\/Tai-sao-tay-rang-khong-trang-300x200.jpg 300w, https:\/\/smilux.vn\/wp-content\/uploads\/2026\/06\/Tai-sao-tay-rang-khong-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-d08541e at-heading-animation at-animation-heading-none elementor-widget elementor-widget-heading\" data-id=\"d08541e\" 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\">Thin or Worn Enamel<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5897910 elementor-widget elementor-widget-text-editor\" data-id=\"5897910\" 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>When tooth enamel wears down over time, the darker yellow dentin underneath can become more visible. As a result, even after professional teeth whitening, the teeth may still not appear as bright as expected.<\/p><p>Enamel erosion is commonly seen in people who have a habit of grinding their teeth, have acid reflux, frequently consume carbonated soft drinks, lemon juice, acidic beverages, or brush their teeth too hard over a long period of time.<\/p><p>If the enamel is too thin or the teeth are sensitive, the dentist needs to examine them first to determine whether teeth whitening is suitable or whether treatment to protect the enamel should be prioritized.<\/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-2038b11 elementor-widget elementor-widget-text-editor\" data-id=\"2038b11\" 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><span style=\"color: #003366;\"><b>&gt;&gt;&gt; READ MORE: <a href=\"https:\/\/smilux.vn\/en\/uneven-teeth-whitening-results\/\">Uneven Teeth Whitening Results<\/a> &#8211; Causes and Effective Solutions<\/b><\/span><\/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-571f6f62 at-heading-animation at-animation-heading-none elementor-widget elementor-widget-heading\" data-id=\"571f6f62\" 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\">Dental Crowns or Old Fillings Do Not Change Color After Whitening<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4b2eae99 elementor-widget elementor-widget-text-editor\" data-id=\"4b2eae99\" 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>Whitening agents only work on natural tooth structure and do not lighten the color of dental crowns, dentures, or old composite fillings. Therefore, if a tooth has cosmetic fillings or ceramic restorations, these areas will retain their original color after teeth whitening.<\/p><p>This is one of the reasons why many patients feel that their teeth are not evenly white after whitening. In fact, the natural teeth may have become brighter, but the dental crowns or old fillings do not change color, making the teeth still appear dull, patchy, or uneven in shade.<\/p><p><img decoding=\"async\" class=\"wp-image-30438 size-full\" title=\"M\u00e3o s\u1ee9, r\u0103ng gi\u1ea3 v\u00e0 mi\u1ebfng tr\u00e1m c\u0169 kh\u00f4ng \u0111\u1ed5i m\u00e0u sau t\u1ea9y tr\u1eafng.\" src=\"https:\/\/smilux.vn\/wp-content\/uploads\/2026\/06\/nguyen-nhan-tay-rang-khong-trang.jpg\" alt=\"M\u00e3o s\u1ee9, r\u0103ng gi\u1ea3 v\u00e0 mi\u1ebfng tr\u00e1m c\u0169 kh\u00f4ng \u0111\u1ed5i m\u00e0u sau t\u1ea9y tr\u1eafng.\" width=\"900\" height=\"600\" srcset=\"https:\/\/smilux.vn\/wp-content\/uploads\/2026\/06\/nguyen-nhan-tay-rang-khong-trang.jpg 900w, https:\/\/smilux.vn\/wp-content\/uploads\/2026\/06\/nguyen-nhan-tay-rang-khong-trang-300x200.jpg 300w, https:\/\/smilux.vn\/wp-content\/uploads\/2026\/06\/nguyen-nhan-tay-rang-khong-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-5f5f7cca at-heading-animation at-animation-heading-none elementor-widget elementor-widget-heading\" data-id=\"5f5f7cca\" 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\">Unsuitable Whitening Products or Techniques<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-33489d20 elementor-widget elementor-widget-text-editor\" data-id=\"33489d20\" 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>In some cases, teeth are still not white after whitening not because of the tooth condition itself, but because the whitening product or technique is not suitable. This often happens when patients use at-home whitening products of unknown origin, use them incorrectly, or have the procedure performed at a clinic without sufficient professional expertise.<\/p><p>To make the teeth appear brighter, the whitening agent needs to be used at the appropriate concentration, duration, and protocol. If the whitening agent is too weak, applied unevenly, the whitening tray does not fit closely against the teeth, or the procedure is not well controlled, the pigments that cause discoloration may not be effectively improved. As a result, there may be almost no visible change after treatment.<\/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-5628c575 elementor-widget elementor-widget-text-editor\" data-id=\"5628c575\" 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><span style=\"color: #003366;\"><b>&gt;&gt;&gt; READ MORE: <a href=\"https:\/\/smilux.vn\/en\/do-teeth-turn-yellow-again-after-whitening\/\">Do Teeth Turn Yellow Again After Whitening<\/a>?<\/b><\/span><\/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-6196d8a9 at-heading-animation at-animation-heading-none elementor-widget elementor-widget-heading\" data-id=\"6196d8a9\" 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\">What Should You Do If Your Teeth Are Still Not White After Whitening?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-176ed3f5 elementor-widget elementor-widget-text-editor\" data-id=\"176ed3f5\" 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 not becoming white after whitening does not necessarily mean that the treatment is ineffective. In many cases, the cause comes from the original condition of the teeth, such as deep discoloration, thin enamel, dental crowns, old fillings, or naturally darker tooth color.<\/p><p>At this point, patients should visit a dental clinic so the dentist can examine their teeth directly, determine why the teeth do not respond well to whitening, and recommend a more suitable treatment option. Depending on each condition, the dentist may suggest porcelain veneers or dental crowns to make the tooth color more even and aesthetically pleasing.<\/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-b9ecdc6 at-heading-animation at-animation-heading-none elementor-widget elementor-widget-heading\" data-id=\"b9ecdc6\" 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\">Porcelain Veneers<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e96efa9 elementor-widget elementor-widget-text-editor\" data-id=\"e96efa9\" 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>For cases where teeth are still not white after whitening due to deep discoloration, dark enamel, or uneven tooth color, the dentist may recommend porcelain veneers to improve dental aesthetics.<\/p><p>Porcelain veneers involve bonding a thin layer of porcelain to the front surface of the teeth, helping cover yellow, dull, or discolored teeth that do not respond well to whitening. This treatment is usually suitable for patients whose natural teeth are still healthy and who do not have tooth decay, severe gum inflammation, or an abnormal bite.<\/p><p>Compared with teeth whitening, porcelain veneers are more costly and may require minimal enamel reduction so the veneers can fit closely and look more natural.<\/p><p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-30439 size-full\" title=\"D\u00e1n s\u1ee9 Veneer c\u00f3 th\u1ec3 che ph\u1ee7 m\u00e0u r\u0103ng \u1ed1 v\u00e0ng, x\u1ec9n m\u00e0u ho\u1eb7c nhi\u1ec5m m\u00e0u\" src=\"https:\/\/smilux.vn\/wp-content\/uploads\/2026\/06\/Tay-rang-nhung-khong-trang-phai-lam-sao.jpg\" alt=\"D\u00e1n s\u1ee9 Veneer c\u00f3 th\u1ec3 che ph\u1ee7 m\u00e0u r\u0103ng \u1ed1 v\u00e0ng, x\u1ec9n m\u00e0u ho\u1eb7c nhi\u1ec5m m\u00e0u\" width=\"900\" height=\"600\" srcset=\"https:\/\/smilux.vn\/wp-content\/uploads\/2026\/06\/Tay-rang-nhung-khong-trang-phai-lam-sao.jpg 900w, https:\/\/smilux.vn\/wp-content\/uploads\/2026\/06\/Tay-rang-nhung-khong-trang-phai-lam-sao-300x200.jpg 300w, https:\/\/smilux.vn\/wp-content\/uploads\/2026\/06\/Tay-rang-nhung-khong-trang-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-d826aa7 at-heading-animation at-animation-heading-none elementor-widget elementor-widget-heading\" data-id=\"d826aa7\" 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\">Cosmetic Dental Crowns<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5158d17 elementor-widget elementor-widget-text-editor\" data-id=\"5158d17\" 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>When a tooth has extensive decay, becomes weak after root canal treatment, or has lost a large amount of natural tooth structure, teeth whitening is often not a suitable option. In this case, the dentist may recommend a dental crown to restore the tooth\u2019s shape and color while protecting the remaining tooth structure.<\/p><p>A <a href=\"https:\/\/smilux.vn\/en\/dental-crown-services\/\"><span style=\"color: #003366;\"><b>dental crown<\/b><\/span><\/a> is a technique in which the tooth is reshaped to the appropriate proportion before a ceramic crown is placed over it. Unlike porcelain veneers, which mainly improve the front surface of the teeth, a dental crown covers the entire visible portion of the tooth and is often used when the tooth needs to be restored in both aesthetics and chewing function.<\/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-6a4de89 at-heading-animation at-animation-heading-none elementor-widget elementor-widget-heading\" data-id=\"6a4de89\" 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\">Smilux Dental - A Trusted Cosmetic Dental Clinic in Ho Chi Minh City<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f9d1328 elementor-widget elementor-widget-text-editor\" data-id=\"f9d1328\" 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 not becoming as white as expected after whitening can make patients feel concerned, especially when they have followed the instructions properly. However, instead of continuing to whiten their teeth at home or switching to another whitening product, patients should visit a dentist to identify the specific cause.<\/p><p>At Smilux Dental, the dentist will assess the current tooth shade, enamel condition, old fillings, dental crowns if any, and the reason why the teeth do not respond well to teeth whitening. From there, patients will receive consultation on a more suitable treatment approach.<\/p><p>We have a team of dentists with more than 15 years of experience in Dentistry, Oral and Maxillofacial care, especially in cosmetic dental treatments such as <a href=\"https:\/\/smilux.vn\/en\/teeth-whitening\/\"><span style=\"color: #003366;\"><b>teeth whitening<\/b><\/span><\/a>, porcelain veneers, dental crowns, and treatment for discolored teeth. Instead of focusing only on making the teeth whiter, the dentist will prioritize a safe, minimally invasive approach that helps preserve as much natural tooth structure as possible.<\/p><p>The clinic is also equipped with advanced diagnostic technology such as CT Cone Beam 3D, Panorex\/Cephalo, and the iTero 5D scanner, helping the dentist assess the condition of the teeth, bite, and dental tissues more accurately before treatment.<\/p><p>In addition, all dental materials are genuine and have a clear origin. Patients can check the material information before deciding on treatment, giving them greater confidence in the safety, aesthetics, and durability of the final result.<\/p><p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-30440 size-full\" title=\"Smilux Dental - \u0110\u1ecba ch\u1ec9 nha khoa th\u1ea9m m\u1ef9 uy t\u00edn t\u1ea1i TPHCM\" src=\"https:\/\/smilux.vn\/wp-content\/uploads\/2026\/06\/tay-rang-nhung-khong-trang.jpg\" alt=\"Smilux Dental - \u0110\u1ecba ch\u1ec9 nha khoa th\u1ea9m m\u1ef9 uy t\u00edn t\u1ea1i TPHCM\" width=\"900\" height=\"600\" srcset=\"https:\/\/smilux.vn\/wp-content\/uploads\/2026\/06\/tay-rang-nhung-khong-trang.jpg 900w, https:\/\/smilux.vn\/wp-content\/uploads\/2026\/06\/tay-rang-nhung-khong-trang-300x200.jpg 300w, https:\/\/smilux.vn\/wp-content\/uploads\/2026\/06\/tay-rang-nhung-khong-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-7d5f561c at-heading-animation at-animation-heading-none elementor-widget elementor-widget-heading\" data-id=\"7d5f561c\" 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-1242afac elementor-widget elementor-widget-elementskit-contact-form7\" data-id=\"1242afac\" 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-p30526-o2\" 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\/why-are-my-teeth-still-not-white-after-whitening\/#wpcf7-f14199-p30526-o2\" 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-p30526-o2\" \/><input type=\"hidden\" name=\"_wpcf7_container_post\" value=\"30526\" \/><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\" 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\" 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\" 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\" 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-6abc9f2 at-heading-animation at-animation-heading-none elementor-widget elementor-widget-heading\" data-id=\"6abc9f2\" 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-5facf33f elementor-widget elementor-widget-text-editor\" data-id=\"5facf33f\" 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 above has helped patients better understand why teeth are still not white after whitening. If you are concerned because your teeth remain dull 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> for a detailed consultation with our dentist and to choose a suitable solution for a brighter, healthier, and more confident smile.<\/p><p><span style=\"color: #003366;\"><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><\/span><\/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-e99226f e-con-full e-grid e-con e-child\" data-id=\"e99226f\" 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-1743e85c at-image-animation at-animation-image-none elementor-widget elementor-widget-image\" data-id=\"1743e85c\" 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-20d82e88 e-con-full e-flex e-con e-child\" data-id=\"20d82e88\" 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-741f8a39 elementor-widget elementor-widget-text-editor\" data-id=\"741f8a39\" 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-13daf075 elementor-align-center elementor-widget elementor-widget-elementskit-button\" data-id=\"13daf075\" 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-3f36f4b8 e-con-full e-flex e-con e-parent\" data-id=\"3f36f4b8\" 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-2eb6e283 at-heading-animation at-animation-heading-none elementor-widget elementor-widget-heading\" data-id=\"2eb6e283\" 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-6ca1ea8a elementor-widget elementor-widget-elementskit-blog-posts\" data-id=\"6ca1ea8a\" 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--6ca1ea8a\" 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\/why-are-my-teeth-still-not-white-after-whitening\/\" class=\"elementskit-entry-thumb\">\n                                    <img decoding=\"async\" src=\"https:\/\/smilux.vn\/wp-content\/uploads\/2026\/06\/Why-Are-My-Teeth-Still-Not-White-After-Whitening-smilux.jpg\" alt=\"Why Are My Teeth Still Not White 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>25<\/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>According to dentists at Smilux, teeth may not become white after whitening due to thin enamel, deep staining, dental crowns, old fillings, or an unsuitable whitening technique.<\/p>\n                                                                                                                                                        <div class=\"btn-wraper\">\n                                    \n                                                                            <a href=\"https:\/\/smilux.vn\/en\/why-are-my-teeth-still-not-white-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\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\/at-what-age-can-you-whiten-your-teeth\/\" class=\"elementskit-entry-thumb\">\n                                    <img decoding=\"async\" src=\"https:\/\/smilux.vn\/wp-content\/uploads\/2026\/06\/At-What-Age-Can-You-Whiten-Your-Teeth-smilux-dental.jpg\" alt=\"At What Age Can You Whiten Your Teeth?\">\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>24<\/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>At What Age Can You Whiten Your Teeth? This article helps you understand the appropriate age for teeth whitening and why children need to be examined by a dentist before whitening their teeth.<\/p>\n                                                                                                                                                        <div class=\"btn-wraper\">\n                                    \n                                                                            <a href=\"https:\/\/smilux.vn\/en\/at-what-age-can-you-whiten-your-teeth\/\" 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\/how-long-does-tooth-sensitivity-last-after-teeth-whitening\/\" class=\"elementskit-entry-thumb\">\n                                    <img decoding=\"async\" src=\"https:\/\/smilux.vn\/wp-content\/uploads\/2026\/06\/How-Long-Does-Tooth-Sensitivity-Last-After-Teeth-Whitening-smilux.jpg\" alt=\"How Long Does Tooth Sensitivity Last After Teeth 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>24<\/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>How Long Does Tooth Sensitivity Last After Teeth Whitening? Learn with Smilux dentists about how long sensitivity typically lasts, what causes tooth sensitivity, and how to care for your teeth properly after whitening.<\/p>\n                                                                                                                                                        <div class=\"btn-wraper\">\n                                    \n                                                                            <a href=\"https:\/\/smilux.vn\/en\/how-long-does-tooth-sensitivity-last-after-teeth-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\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-affected-by-dental-fluorosis-be-whitened\/\" class=\"elementskit-entry-thumb\">\n                                    <img decoding=\"async\" src=\"https:\/\/smilux.vn\/wp-content\/uploads\/2026\/06\/Can-Teeth-Affected-by-Dental-Fluorosis-Be-Whitened-smilux.jpg\" alt=\"Can Teeth Affected by Dental Fluorosis 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>23<\/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 Affected by Dental Fluorosis Be Whitened? Depending on the severity of discoloration and the condition of the tooth enamel, Smilux Dental dentists will recommend the most appropriate treatment.<\/p>\n                                                                                                                                                        <div class=\"btn-wraper\">\n                                    \n                                                                            <a href=\"https:\/\/smilux.vn\/en\/can-teeth-affected-by-dental-fluorosis-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        <\/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--6ca1ea8a\">\n                <span aria-current=\"page\" class=\"page-numbers current\">1<\/span>\n<a class=\"page-numbers\" href=\"https:\/\/smilux.vn\/en\/wp-json\/wp\/v2\/posts\/30526\/?ekit-blog-posts-paged=2\">2<\/a>\n<a class=\"page-numbers\" href=\"https:\/\/smilux.vn\/en\/wp-json\/wp\/v2\/posts\/30526\/?ekit-blog-posts-paged=3\">3<\/a>\n<a class=\"next page-numbers\" href=\"https:\/\/smilux.vn\/en\/wp-json\/wp\/v2\/posts\/30526\/?ekit-blog-posts-paged=2\">Next<\/a>            <\/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>According to dentists at Smilux, teeth may not become white after whitening due to thin enamel, deep staining, dental crowns, old fillings, or an unsuitable whitening technique.<\/p>\n","protected":false},"author":2,"featured_media":30527,"comment_status":"open","ping_status":"open","sticky":false,"template":"elementor_header_footer","format":"standard","meta":{"footnotes":""},"categories":[25],"tags":[],"class_list":["post-30526","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\/30526","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=30526"}],"version-history":[{"count":5,"href":"https:\/\/smilux.vn\/en\/wp-json\/wp\/v2\/posts\/30526\/revisions"}],"predecessor-version":[{"id":30535,"href":"https:\/\/smilux.vn\/en\/wp-json\/wp\/v2\/posts\/30526\/revisions\/30535"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/smilux.vn\/en\/wp-json\/wp\/v2\/media\/30527"}],"wp:attachment":[{"href":"https:\/\/smilux.vn\/en\/wp-json\/wp\/v2\/media?parent=30526"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/smilux.vn\/en\/wp-json\/wp\/v2\/categories?post=30526"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/smilux.vn\/en\/wp-json\/wp\/v2\/tags?post=30526"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}