{"id":1976,"date":"2026-10-22T07:00:00","date_gmt":"2026-10-22T07:00:00","guid":{"rendered":"https:\/\/www.smilespringfield.com\/blog\/2026\/10\/22\/reasons-for-black-line-forming-around-crown\/"},"modified":"2026-10-22T07:00:00","modified_gmt":"2026-10-22T07:00:00","slug":"reasons-for-black-line-forming-around-crown","status":"publish","type":"post","link":"https:\/\/www.smilespringfield.com\/blog\/2026\/10\/22\/reasons-for-black-line-forming-around-crown\/","title":{"rendered":"Reasons Why a Black Line is Forming Around Your Crown"},"content":{"rendered":"
\n
\"Dental<\/figure>\n<\/div>\n\n\n

Dental crowns<\/a> are designed to restore damaged teeth while blending in with your natural smile. However, if you notice a dark or black line forming around the edge of your crown, you may wonder whether something is wrong. This discoloration can sometimes be a cosmetic issue, but it may also indicate changes in your gums, the crown itself, or the underlying tooth.<\/p><\/p>\n\n\n\n\n\n\n\n

Your Crown Has a Metal Foundation<\/h2>\n\n\n\n

One common reason for a black line around a dental crown is the material used to make it. Porcelain-fused-to-metal crowns have a metal foundation covered by tooth-colored porcelain. If your gums recede over time, the dark metal edge may become visible near the gumline.<\/p>\n\n\n\n

Although these crowns can be durable and functional, the exposed metal can affect the appearance of your smile, particularly around front teeth.<\/p>\n\n\n\n

The solution:<\/strong> If the dark line is caused by exposed metal, your dentist may recommend replacing the crown with an all-ceramic or zirconia restoration, depending on your needs and oral health.<\/p>\n\n\n\n

Your Gums Have Receded<\/h2>\n\n\n\n

Gum recession occurs when gum tissue pulls away from the teeth, exposing more of the tooth or the crown’s margin. This can happen because of gum disease, aggressive brushing, or natural changes in your oral tissues.<\/p>\n\n\n\n

When the gumline shifts, the edge of an existing crown may become more noticeable. Depending on the crown material, this can create the appearance of a dark line.<\/p>\n\n\n\n

The solution:<\/strong> Your dentist can evaluate the cause of your gum recession and recommend appropriate treatment. Improved brushing techniques and professional periodontal care may help protect your gums. If the crown’s appearance remains a concern, replacement may be an option.<\/p>\n\n\n\n

Plaque and Tartar Have Accumulated<\/h2>\n\n\n\n

Plaque is a sticky film of bacteria that forms on teeth and dental restorations. If it is not removed regularly, it can harden into tartar, which may appear yellow, brown, or dark near the gumline.<\/p>\n\n\n\n

Crowns still require careful cleaning, especially around their edges, where bacteria can accumulate. Poor oral hygiene may also increase the risk of gum inflammation and decay around the underlying tooth.<\/p>\n\n\n\n

The solution:<\/strong> Brush twice daily with fluoride toothpaste, floss around the crown every day, and attend regular professional cleanings. Your dentist or hygienist can remove hardened tartar that brushing cannot eliminate.<\/p>\n\n\n\n

The Tooth Beneath Your Crown Has Developed a Problem<\/h2>\n\n\n\n

Although crowns protect damaged teeth, decay can still develop along the crown’s margins if bacteria enter the area. A dark line may sometimes accompany decay or other changes around the underlying tooth.<\/p>\n\n\n\n

The solution:<\/strong> Schedule a dental examination if you notice new discoloration, especially if you also experience pain, sensitivity, swelling, or an unpleasant taste. Your dentist can assess the crown and underlying tooth and recommend treatment if necessary.<\/p>\n\n\n\n

A black line around a dental crown does not always mean the restoration has failed. However, determining the cause is important for protecting your oral health.<\/p>\n\n\n\n

About the Practice<\/h2>\n\n\n\n

Advanced Dental Care of Springfield is led by two friendly, experienced dentists: Dr. Victoria Driskill and Dr. John Neely<\/a>. Along with the rest of our team, they can restore and strengthen your damaged teeth with dental crowns using a mess-free digital impression system. Contact us online<\/a> or call (217) 207-0632<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"

Dental crowns are designed to restore damaged teeth while blending in with your natural smile. However, if you notice a dark or black line forming around the edge of your crown, you may wonder whether something is wrong. This discoloration can sometimes be a cosmetic issue, but it may also indicate changes in your gums, […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1976","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\nWhy Black Line Forms Around Crown | Advanced Dental Care of Springfield<\/title>\n<meta name=\"description\" content=\"If a black line has found a home in your mouth around your dental crown, you\u2019re likely wondering what\u2019s going on. Let\u2019s explain why it happens.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.smilespringfield.com\/blog\/2026\/10\/22\/reasons-for-black-line-forming-around-crown\/\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"Why Black Line Forms Around Crown | Advanced Dental Care of Springfield\" \/>\n<meta name=\"twitter:description\" content=\"If a black line has found a home in your mouth around your dental crown, you\u2019re likely wondering what\u2019s going on. Let\u2019s explain why it happens.\" \/>\n<meta name=\"twitter:image\" content=\"https:\/\/www.smilespringfield.com\/blog\/wp-content\/uploads\/2026\/10\/reasons-for-black-line-forming-around-cr-300x200.jpeg\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.smilespringfield.com\\\/blog\\\/2026\\\/10\\\/22\\\/reasons-for-black-line-forming-around-crown\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.smilespringfield.com\\\/blog\\\/2026\\\/10\\\/22\\\/reasons-for-black-line-forming-around-crown\\\/\"},\"author\":{\"name\":\"tntadmin\",\"@id\":\"https:\\\/\\\/www.smilespringfield.com\\\/blog\\\/#\\\/schema\\\/person\\\/861681de8eea10f9f242f41de2a6ffb6\"},\"headline\":\"Reasons Why a Black Line is Forming Around Your Crown\",\"datePublished\":\"2026-10-22T07:00:00+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.smilespringfield.com\\\/blog\\\/2026\\\/10\\\/22\\\/reasons-for-black-line-forming-around-crown\\\/\"},\"wordCount\":543,\"image\":{\"@id\":\"https:\\\/\\\/www.smilespringfield.com\\\/blog\\\/2026\\\/10\\\/22\\\/reasons-for-black-line-forming-around-crown\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.smilespringfield.com\\\/blog\\\/wp-content\\\/uploads\\\/2026\\\/10\\\/reasons-for-black-line-forming-around-cr-300x200.jpeg\",\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.smilespringfield.com\\\/blog\\\/2026\\\/10\\\/22\\\/reasons-for-black-line-forming-around-crown\\\/\",\"url\":\"https:\\\/\\\/www.smilespringfield.com\\\/blog\\\/2026\\\/10\\\/22\\\/reasons-for-black-line-forming-around-crown\\\/\",\"name\":\"Why Black Line Forms Around Crown | Advanced Dental Care of Springfield\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.smilespringfield.com\\\/blog\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.smilespringfield.com\\\/blog\\\/2026\\\/10\\\/22\\\/reasons-for-black-line-forming-around-crown\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.smilespringfield.com\\\/blog\\\/2026\\\/10\\\/22\\\/reasons-for-black-line-forming-around-crown\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.smilespringfield.com\\\/blog\\\/wp-content\\\/uploads\\\/2026\\\/10\\\/reasons-for-black-line-forming-around-cr-300x200.jpeg\",\"datePublished\":\"2026-10-22T07:00:00+00:00\",\"author\":{\"@id\":\"https:\\\/\\\/www.smilespringfield.com\\\/blog\\\/#\\\/schema\\\/person\\\/861681de8eea10f9f242f41de2a6ffb6\"},\"description\":\"If a black line has found a home in your mouth around your dental crown, you\u2019re likely wondering what\u2019s going on. Let\u2019s explain why it happens.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.smilespringfield.com\\\/blog\\\/2026\\\/10\\\/22\\\/reasons-for-black-line-forming-around-crown\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.smilespringfield.com\\\/blog\\\/2026\\\/10\\\/22\\\/reasons-for-black-line-forming-around-crown\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.smilespringfield.com\\\/blog\\\/2026\\\/10\\\/22\\\/reasons-for-black-line-forming-around-crown\\\/#primaryimage\",\"url\":\"https:\\\/\\\/www.smilespringfield.com\\\/blog\\\/wp-content\\\/uploads\\\/2026\\\/10\\\/reasons-for-black-line-forming-around-cr-300x200.jpeg\",\"contentUrl\":\"https:\\\/\\\/www.smilespringfield.com\\\/blog\\\/wp-content\\\/uploads\\\/2026\\\/10\\\/reasons-for-black-line-forming-around-cr-300x200.jpeg\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.smilespringfield.com\\\/blog\\\/2026\\\/10\\\/22\\\/reasons-for-black-line-forming-around-crown\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.smilespringfield.com\\\/blog\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Reasons Why a Black Line is Forming Around Your Crown\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.smilespringfield.com\\\/blog\\\/#website\",\"url\":\"https:\\\/\\\/www.smilespringfield.com\\\/blog\\\/\",\"name\":\"Advanced Dental Care of Springfield Blog\",\"description\":\"Just another WordPress site\",\"inLanguage\":\"en-US\"},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/www.smilespringfield.com\\\/blog\\\/#\\\/schema\\\/person\\\/861681de8eea10f9f242f41de2a6ffb6\",\"name\":\"tntadmin\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Why Black Line Forms Around Crown | Advanced Dental Care of Springfield","description":"If a black line has found a home in your mouth around your dental crown, you\u2019re likely wondering what\u2019s going on. Let\u2019s explain why it happens.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.smilespringfield.com\/blog\/2026\/10\/22\/reasons-for-black-line-forming-around-crown\/","twitter_card":"summary_large_image","twitter_title":"Why Black Line Forms Around Crown | Advanced Dental Care of Springfield","twitter_description":"If a black line has found a home in your mouth around your dental crown, you\u2019re likely wondering what\u2019s going on. Let\u2019s explain why it happens.","twitter_image":"https:\/\/www.smilespringfield.com\/blog\/wp-content\/uploads\/2026\/10\/reasons-for-black-line-forming-around-cr-300x200.jpeg","schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.smilespringfield.com\/blog\/2026\/10\/22\/reasons-for-black-line-forming-around-crown\/#article","isPartOf":{"@id":"https:\/\/www.smilespringfield.com\/blog\/2026\/10\/22\/reasons-for-black-line-forming-around-crown\/"},"author":{"name":"tntadmin","@id":"https:\/\/www.smilespringfield.com\/blog\/#\/schema\/person\/861681de8eea10f9f242f41de2a6ffb6"},"headline":"Reasons Why a Black Line is Forming Around Your Crown","datePublished":"2026-10-22T07:00:00+00:00","mainEntityOfPage":{"@id":"https:\/\/www.smilespringfield.com\/blog\/2026\/10\/22\/reasons-for-black-line-forming-around-crown\/"},"wordCount":543,"image":{"@id":"https:\/\/www.smilespringfield.com\/blog\/2026\/10\/22\/reasons-for-black-line-forming-around-crown\/#primaryimage"},"thumbnailUrl":"https:\/\/www.smilespringfield.com\/blog\/wp-content\/uploads\/2026\/10\/reasons-for-black-line-forming-around-cr-300x200.jpeg","inLanguage":"en-US"},{"@type":"WebPage","@id":"https:\/\/www.smilespringfield.com\/blog\/2026\/10\/22\/reasons-for-black-line-forming-around-crown\/","url":"https:\/\/www.smilespringfield.com\/blog\/2026\/10\/22\/reasons-for-black-line-forming-around-crown\/","name":"Why Black Line Forms Around Crown | Advanced Dental Care of Springfield","isPartOf":{"@id":"https:\/\/www.smilespringfield.com\/blog\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.smilespringfield.com\/blog\/2026\/10\/22\/reasons-for-black-line-forming-around-crown\/#primaryimage"},"image":{"@id":"https:\/\/www.smilespringfield.com\/blog\/2026\/10\/22\/reasons-for-black-line-forming-around-crown\/#primaryimage"},"thumbnailUrl":"https:\/\/www.smilespringfield.com\/blog\/wp-content\/uploads\/2026\/10\/reasons-for-black-line-forming-around-cr-300x200.jpeg","datePublished":"2026-10-22T07:00:00+00:00","author":{"@id":"https:\/\/www.smilespringfield.com\/blog\/#\/schema\/person\/861681de8eea10f9f242f41de2a6ffb6"},"description":"If a black line has found a home in your mouth around your dental crown, you\u2019re likely wondering what\u2019s going on. Let\u2019s explain why it happens.","breadcrumb":{"@id":"https:\/\/www.smilespringfield.com\/blog\/2026\/10\/22\/reasons-for-black-line-forming-around-crown\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.smilespringfield.com\/blog\/2026\/10\/22\/reasons-for-black-line-forming-around-crown\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.smilespringfield.com\/blog\/2026\/10\/22\/reasons-for-black-line-forming-around-crown\/#primaryimage","url":"https:\/\/www.smilespringfield.com\/blog\/wp-content\/uploads\/2026\/10\/reasons-for-black-line-forming-around-cr-300x200.jpeg","contentUrl":"https:\/\/www.smilespringfield.com\/blog\/wp-content\/uploads\/2026\/10\/reasons-for-black-line-forming-around-cr-300x200.jpeg"},{"@type":"BreadcrumbList","@id":"https:\/\/www.smilespringfield.com\/blog\/2026\/10\/22\/reasons-for-black-line-forming-around-crown\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.smilespringfield.com\/blog\/"},{"@type":"ListItem","position":2,"name":"Reasons Why a Black Line is Forming Around Your Crown"}]},{"@type":"WebSite","@id":"https:\/\/www.smilespringfield.com\/blog\/#website","url":"https:\/\/www.smilespringfield.com\/blog\/","name":"Advanced Dental Care of Springfield Blog","description":"Just another WordPress site","inLanguage":"en-US"},{"@type":"Person","@id":"https:\/\/www.smilespringfield.com\/blog\/#\/schema\/person\/861681de8eea10f9f242f41de2a6ffb6","name":"tntadmin"}]}},"_links":{"self":[{"href":"https:\/\/www.smilespringfield.com\/blog\/wp-json\/wp\/v2\/posts\/1976","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.smilespringfield.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.smilespringfield.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.smilespringfield.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.smilespringfield.com\/blog\/wp-json\/wp\/v2\/comments?post=1976"}],"version-history":[{"count":0,"href":"https:\/\/www.smilespringfield.com\/blog\/wp-json\/wp\/v2\/posts\/1976\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.smilespringfield.com\/blog\/wp-json\/wp\/v2\/media?parent=1976"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.smilespringfield.com\/blog\/wp-json\/wp\/v2\/categories?post=1976"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.smilespringfield.com\/blog\/wp-json\/wp\/v2\/tags?post=1976"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}