{"id":11211,"date":"2026-09-28T15:26:39","date_gmt":"2026-09-28T06:26:39","guid":{"rendered":"https:\/\/wp.blanche.kr\/?p=11211"},"modified":"2026-09-28T15:26:39","modified_gmt":"2026-09-28T06:26:39","slug":"black-line-around-veneers","status":"publish","type":"post","link":"https:\/\/wp.blanche.kr\/en\/laminates\/black-line-around-veneers\/","title":{"rendered":"Black Line Around Veneers: What the Dark Edge Means and What Fixes It"},"content":{"rendered":"\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"576\" data-src=\"https:\/\/wp.blanche.kr\/wp-content\/uploads\/2026\/09\/Black-Line-Around-Veneers_1-1024x576.png\" alt=\"Black Line Around Veneers: What the Dark Edge Means and What Fixes It\" class=\"wp-image-11304 lazyload\" data-srcset=\"https:\/\/wp.blanche.kr\/wp-content\/uploads\/2026\/09\/Black-Line-Around-Veneers_1-1024x576.png 1024w, https:\/\/wp.blanche.kr\/wp-content\/uploads\/2026\/09\/Black-Line-Around-Veneers_1-300x169.png 300w, https:\/\/wp.blanche.kr\/wp-content\/uploads\/2026\/09\/Black-Line-Around-Veneers_1-768x432.png 768w, https:\/\/wp.blanche.kr\/wp-content\/uploads\/2026\/09\/Black-Line-Around-Veneers_1-1536x864.png 1536w, https:\/\/wp.blanche.kr\/wp-content\/uploads\/2026\/09\/Black-Line-Around-Veneers_1.png 1920w\" data-sizes=\"(max-width: 1024px) 100vw, 1024px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1024px; --smush-placeholder-aspect-ratio: 1024\/576;\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">A black line around veneers is one of the most common reasons people ask for a second opinion, and one of the most misread. You notice it in a photo first: the teeth look fine, but a thin dark edge runs along the gum line, and suddenly that is all you can see.<\/p><div id=\"ez-toc-container\" class=\"ez-toc-v2_0_88 ez-toc-wrap-left counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\ubaa9\ucc28<\/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: #999;color:#999\" 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: #999;color:#999\" 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 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/wp.blanche.kr\/en\/laminates\/black-line-around-veneers\/#Why_a_black_line_around_veneers_starts_at_the_margin\" >Why a black line around veneers starts at the margin<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/wp.blanche.kr\/en\/laminates\/black-line-around-veneers\/#A_black_line_around_veneers_five_causes_and_where_each_one_shows_up\" >A black line around veneers: five causes, and where each one shows up<\/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:\/\/wp.blanche.kr\/en\/laminates\/black-line-around-veneers\/#1_A_metal_core_underneath_%E2%80%94_which_means_it_is_not_a_veneer\" >1. A metal core underneath \u2014 which means it is not a veneer<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/wp.blanche.kr\/en\/laminates\/black-line-around-veneers\/#2_Stain_sitting_in_the_margin_not_under_it\" >2. Stain sitting in the margin, not under it<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/wp.blanche.kr\/en\/laminates\/black-line-around-veneers\/#3_Cement_breakdown_at_the_join\" >3. Cement breakdown at the join<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/wp.blanche.kr\/en\/laminates\/black-line-around-veneers\/#4_The_tooth_underneath_has_darkened\" >4. The tooth underneath has darkened<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/wp.blanche.kr\/en\/laminates\/black-line-around-veneers\/#5_The_gum_itself_is_pigmented\" >5. The gum itself is pigmented<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/wp.blanche.kr\/en\/laminates\/black-line-around-veneers\/#How_we_check_a_black_line_around_veneers_in_the_chair\" >How we check a black line around veneers in the chair<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/wp.blanche.kr\/en\/laminates\/black-line-around-veneers\/#What_prevents_a_black_line_around_veneers_in_the_first_place\" >What prevents a black line around veneers in the first place<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/wp.blanche.kr\/en\/laminates\/black-line-around-veneers\/#Planning_a_visit_from_abroad\" >Planning a visit from abroad<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/wp.blanche.kr\/en\/laminates\/black-line-around-veneers\/#Frequently_asked_questions\" >Frequently asked questions<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/wp.blanche.kr\/en\/laminates\/black-line-around-veneers\/#Can_a_black_line_around_veneers_be_polished_away\" >Can a black line around veneers be polished away?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/wp.blanche.kr\/en\/laminates\/black-line-around-veneers\/#Does_a_dark_edge_mean_my_veneers_have_to_be_replaced\" >Does a dark edge mean my veneers have to be replaced?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/wp.blanche.kr\/en\/laminates\/black-line-around-veneers\/#How_long_after_treatment_does_a_dark_line_usually_appear\" >How long after treatment does a dark line usually appear?<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/wp.blanche.kr\/en\/laminates\/black-line-around-veneers\/#Side_effects_and_individual_variation\" >Side effects and individual variation<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/wp.blanche.kr\/en\/laminates\/black-line-around-veneers\/#A_black_line_around_veneers_a_closing_note_from_the_clinic\" >A black line around veneers: a closing note from the clinic<\/a><\/li><\/ul><\/nav><\/div>\n\n\n\n\n<p class=\"wp-block-paragraph\">Most patients assume the veneer has failed. Often it is intact, and the darkness is coming from something behind it or beside it.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This article separates the five things that create that line. Each shows up in a different place, and each has a different answer, so the first job is telling them apart.<\/p>\n\n\n\n<p class=\"blanche-cx-open wp-block-paragraph\"><strong>A note from Dr. Kim<\/strong> \u2014 Many people who land on this page share one quiet worry: what if I damage healthy teeth for nothing? It is the first question I ask myself with every patient.<\/p>\n\n\n\n\n\n<p class=\"blanche-cx-open wp-block-paragraph\">Blanche began with that question: why harm a natural tooth worth more than any restoration? That is why our signature Blanche no-prep veneers follow one rule \u2014 minimal intervention, maximum beauty.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Why_a_black_line_around_veneers_starts_at_the_margin\"><\/span>Why a black line around veneers starts at the margin<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"288\" data-src=\"https:\/\/wp.blanche.kr\/wp-content\/uploads\/2026\/09\/Group-9-3-1024x288.png\" alt=\"korean-veneers-before-and-after\" class=\"wp-image-11305 lazyload\" data-srcset=\"https:\/\/wp.blanche.kr\/wp-content\/uploads\/2026\/09\/Group-9-3-1024x288.png 1024w, https:\/\/wp.blanche.kr\/wp-content\/uploads\/2026\/09\/Group-9-3-300x84.png 300w, https:\/\/wp.blanche.kr\/wp-content\/uploads\/2026\/09\/Group-9-3-768x216.png 768w, https:\/\/wp.blanche.kr\/wp-content\/uploads\/2026\/09\/Group-9-3-1536x432.png 1536w, https:\/\/wp.blanche.kr\/wp-content\/uploads\/2026\/09\/Group-9-3-2048x576.png 2048w\" data-sizes=\"(max-width: 1024px) 100vw, 1024px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1024px; --smush-placeholder-aspect-ratio: 1024\/288;\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Every veneer ends somewhere. That ending is called the margin, and it is the most demanding millimetre in the whole restoration.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Think of wallpaper meeting a skirting board. The paper can be flawless, but if the seam sits slightly proud, or the wall behind it is darker, your eye goes straight to the join.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Porcelain is translucent, so it does not hide what sits underneath. A margin that is thick, poorly polished, or placed over a dark surface reads as a line even when the bond is sound. The useful question is therefore not whether the veneer has failed, but where the darkness is coming from.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"A_black_line_around_veneers_five_causes_and_where_each_one_shows_up\"><\/span>A black line around veneers: five causes, and where each one shows up<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1_A_metal_core_underneath_%E2%80%94_which_means_it_is_not_a_veneer\"><\/span>1. A metal core underneath \u2014 which means it is not a veneer<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The classic dark band at the gum belongs to an older porcelain-fused-to-metal crown, not to a veneer. A thin metal collar sits at the margin. As the gum settles over the years, it shows as a grey stripe.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Many people who describe this to us are in fact wearing crowns placed years ago. Check this first, because the answer is a change of restoration type, not a repair.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2_Stain_sitting_in_the_margin_not_under_it\"><\/span>2. Stain sitting in the margin, not under it<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Coffee, tea, red wine and tobacco pigment collect in any microscopic roughness at the join. The result is a brown-to-black line that follows the veneer edge exactly.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This one is good news. It sits on the surface, and a professional clean with a repolish usually removes it.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3_Cement_breakdown_at_the_join\"><\/span>3. Cement breakdown at the join<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The bonding layer is only a few microns thick, but it ages. If it degrades, the join opens fractionally and picks up pigment from inside.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This darkness does not polish off, and it often arrives with mild sensitivity. Bonding quality matters more here than patients expect. We use the Ivoclar adhesive system for that reason: it is at the top of the price range for adhesives, and it holds colour stability and biocompatibility far better than cheaper alternatives.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"4_The_tooth_underneath_has_darkened\"><\/span>4. The tooth underneath has darkened<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A tooth treated with root canal therapy, or one that carried a large old filling, can be several shades darker than its neighbours. Under thin, translucent porcelain that shadow shows through. It is strongest near the gum, where the veneer is thinnest.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Here the veneer is not at fault. The answer is a more opaque ceramic or an internal masking layer, decided at the design stage rather than afterwards.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"5_The_gum_itself_is_pigmented\"><\/span>5. The gum itself is pigmented<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Sometimes the dark area is in the tissue, not on the tooth. Natural melanin pigmentation, or a grey patch left by an old metal restoration, sits exactly where you expect a margin.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tell them apart by the edge. Pigment in the gum is soft and irregular. A margin line is sharp, and it follows the curve of the restoration precisely.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Cause<\/th><th>Where the darkness sits<\/th><th>Sharp or soft edge<\/th><th>What it usually needs<\/th><\/tr><\/thead><tbody><tr><td>Metal core beneath a crown<\/td><td>Narrow band at the gum<\/td><td>Sharp<\/td><td>Change to an all-ceramic restoration<\/td><\/tr><tr><td>Surface stain in the margin<\/td><td>On the join line<\/td><td>Sharp<\/td><td>Clean and repolish<\/td><\/tr><tr><td>Cement breakdown<\/td><td>Inside the join<\/td><td>Sharp, often with sensitivity<\/td><td>Remake of that unit<\/td><\/tr><tr><td>Darkened tooth showing through<\/td><td>Broad shadow near the gum<\/td><td>Soft, diffuse<\/td><td>Redesign with masking<\/td><\/tr><tr><td>Gum pigmentation<\/td><td>In the tissue itself<\/td><td>Soft, irregular<\/td><td>Assessment of the tissue, not the veneer<\/td><\/tr><\/tbody><\/table><figcaption>General guidance only. The distinction is made on examination, not from a photograph alone.<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_we_check_a_black_line_around_veneers_in_the_chair\"><\/span>How we check a black line around veneers in the chair<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"576\" data-src=\"https:\/\/wp.blanche.kr\/wp-content\/uploads\/2026\/09\/4486-3-1024x576.png\" alt=\"Black Line Around Veneers: What the Dark Edge Means and What Fixes It\" class=\"wp-image-11306 lazyload\" data-srcset=\"https:\/\/wp.blanche.kr\/wp-content\/uploads\/2026\/09\/4486-3-1024x576.png 1024w, https:\/\/wp.blanche.kr\/wp-content\/uploads\/2026\/09\/4486-3-300x169.png 300w, https:\/\/wp.blanche.kr\/wp-content\/uploads\/2026\/09\/4486-3-768x432.png 768w, https:\/\/wp.blanche.kr\/wp-content\/uploads\/2026\/09\/4486-3-1536x864.png 1536w, https:\/\/wp.blanche.kr\/wp-content\/uploads\/2026\/09\/4486-3.png 1920w\" data-sizes=\"(max-width: 1024px) 100vw, 1024px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1024px; --smush-placeholder-aspect-ratio: 1024\/576;\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">The examination follows a fixed order. First we dry the area and look under magnification. Surface stain lifts visibly when dried; darkness from beneath does not change.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Next comes a radiograph, which shows any metal substructure and whether the margin has opened. Then we compare the tooth shade against its neighbours. A broad shadow rather than a line points to the tooth beneath.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Only then do we discuss treatment. A stained margin and a failing seal look identical in a selfie. One takes twenty minutes; the other means a remake.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_prevents_a_black_line_around_veneers_in_the_first_place\"><\/span>What prevents a black line around veneers in the first place<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Prevention is mostly a design decision, and three choices carry the weight.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The first is where the margin sits. Finished slightly away from the gum edge, on sound enamel, it stays cleanable. It also does not depend on the gum staying exactly where it is today.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The second is the ceramic. Fully ceramic materials have no metal core, so no grey band is possible, and opacity can be tuned to the shade underneath. Our <a href=\"https:\/\/www.blanche.kr\/en\/blog\/laminates\/veneers-shade-guide\">veneers shade guide<\/a> explains what A1, B1 and BL mean in practice, and <a href=\"https:\/\/www.blanche.kr\/en\/blog\/laminates\/natural-looking-veneers\">natural looking veneers<\/a> covers the same design thinking applied to shape.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The third is the bond. A well-sealed, colour-stable adhesive layer keeps the join from opening and picking up pigment.<\/p>\n\n\n\n<p class=\"blanche-cx-mid wp-block-paragraph\"><strong>Not sure where your case fits?<\/strong> Send two photos \u2014 front and smiling \u2014 on <a href=\"https:\/\/wa.me\/821023132883\">WhatsApp<\/a>. We will tell you what is possible before you book any flight.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Planning_a_visit_from_abroad\"><\/span>Planning a visit from abroad<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Most patients who travel to us send photographs first. That usually tells us before you book whether this is a polish or a remake. Prices are the same for Korean and international patients, and figures are on the <a href=\"https:\/\/www.blanche.kr\/en\/pricing\">pricing page<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Blanche Dental sits between Nonhyeon and Sinnonhyeon stations in Gangnam, Seoul. Our in-house laboratory, Blanche Lab, lets diagnosis, design, fabrication and fitting finish in a single day. One-day treatment is priced higher than the conventional route, because compressing those stages commits the dentist and the technical team to your case for the whole day.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For the full one-day programme \u2014 technology, pricing, and booking \u2014 see our <a href=\"https:\/\/www.blanche.kr\/en\/special\/one-day-veneers\">One-Day Veneers page<\/a>. Afterwards, our <a href=\"https:\/\/www.blanche.kr\/en\/blog\/laminates\/veneers-aftercare\">veneers aftercare guide<\/a> covers the routine that keeps margins clean.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Frequently_asked_questions\"><\/span>Frequently asked questions<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Can_a_black_line_around_veneers_be_polished_away\"><\/span>Can a black line around veneers be polished away?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Sometimes. Surface pigment held in a rough margin usually comes off with a clean and a repolish. Darkness from a metal core, a degraded cement layer or the tooth beneath will not change.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Does_a_dark_edge_mean_my_veneers_have_to_be_replaced\"><\/span>Does a dark edge mean my veneers have to be replaced?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Not automatically. Replacement is indicated when the join has opened, or when a metal substructure is showing. A shadow from the tooth beneath, or pigment in the gum, is a different problem.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_long_after_treatment_does_a_dark_line_usually_appear\"><\/span>How long after treatment does a dark line usually appear?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Surface staining can build within a year with heavy coffee or tobacco use. Cement breakdown and gum change more often show after several years. A line appearing within weeks of fitting should be reviewed promptly.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Side_effects_and_individual_variation\"><\/span>Side effects and individual variation<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The timeframes here are general. Findings vary with the existing restoration, gum condition, bite and oral hygiene. Any restorative treatment carries a risk of sensitivity, gum irritation, or the need for adjustment. Nothing here is a diagnosis or a guarantee of a result, and decisions should follow an in-person examination.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"A_black_line_around_veneers_a_closing_note_from_the_clinic\"><\/span>A black line around veneers: a closing note from the clinic<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Patients who arrive with this concern are rarely unhappy with the shape or colour of their teeth. They are unhappy with one line, and they have usually been told it is nothing to worry about.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">It is worth identifying properly. Knowing which of the five causes you have is the difference between a short appointment and a full remake, and photographs are usually enough for us to point you in the right direction.<\/p>\n\n\n\n<p class=\"blanche-cx-process wp-block-paragraph\"><strong>What happens at your first consultation<\/strong><\/p>\n\n\n\n\n\n<p class=\"blanche-cx-process wp-block-paragraph\">1. We listen first \u2014 what bothers you and what you hope for. 2. We walk you through your scan results and every option.<\/p>\n\n\n\n\n\n<p class=\"blanche-cx-process wp-block-paragraph\">3. You get itemized costs and timing, and you can decide later, even after you fly home. At Blanche, we explain everything at least four times, by principle.<\/p>\n\n\n\n\n\n<p class=\"blanche-cx-cta wp-block-paragraph\"><strong>Consultation<\/strong> \u2014 Blanche Dental is located between Nonhyeon and Sinnonhyeon stations in Gangnam, Seoul. You can reach us on <a href=\"https:\/\/wa.me\/821023132883\">WhatsApp<\/a> for a photo consultation, and treatment fees are listed on our <a href=\"https:\/\/www.blanche.kr\/en\/pricing\">pricing page<\/a>.<\/p>\n\n\n\n\n\n<p class=\"blanche-cx-author wp-block-paragraph\"><strong>About the author \u00b7 Dr. Kim Tae-hyung<\/strong> \u2014 Chief Director of Blanche Dental Clinic in Gangnam. He holds an M.S. from Seoul National University and trained at the Columbia and UCLA dental hospitals.<\/p>\n\n\n\n\n\n<p class=\"blanche-cx-author wp-block-paragraph\">He advises SBS &#8220;Dr. Oh&#8217;s Clinic&#8221; and YouTube &#8220;Doctor Friends,&#8221; and is a Clinical Instructor at Ginza Shirayuri Dental Clinic in Tokyo. His rule of practice: minimal intervention, maximum beauty.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Written by Dr. Kim Tae-hyung (Director, Blanche Dental \u00b7 Seoul National University-trained dentist)<\/em><\/p>\n\n\n\n<script type=\"application\/ld+json\">\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Can a black line around veneers be polished away?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Sometimes. If the darkness is surface pigment held in a rough margin, cleaning and repolishing usually removes it. If it comes from a metal core, a degraded cement layer or the tooth beneath, polishing will not change it.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Does a dark edge mean my veneers have to be replaced?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Not automatically. Replacement is indicated when the join itself has opened or when a metal substructure is showing. A shadow from the underlying tooth or pigment in the gum is a different problem and is handled differently.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How long after treatment does a dark line usually appear?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Surface staining can build within a year in heavy coffee or tobacco use. Darkening from cement breakdown or gum change more often appears after several years. A line visible within weeks of fitting should be reviewed promptly by the clinic that placed them.\"\n      }\n    }\n  ]\n}\n<\/script>\n","protected":false},"excerpt":{"rendered":"<p>A dark edge at the gum line is not always a failed veneer. 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