Black around gum line of crown

The black gum line you see surrounding your teeth may be because you have a very old crown in your mouth. Lack of adequate gum tissue around your teeth or crowns called gum recession.

Some of them are porcelain heat-fused metal substructures.

Black around gum line of crown. The black line at the gumline of crowns is often the exposed metal substructure of less expensive crowns. This patient elected to have cosmetic dentistry with crowns that have no metal. She also had a gum lift to get rid of the excessive gum display when she smiled.

The black gum line you see surrounding your teeth may be because you have a very old crown in your mouth. Older crowns feature an outer porcelain cover and an inner metal core and as the crown gets older the metal begins to become exposed through the porcelain. Why Theres a Line Around Your Gum Line Your crown was probably made from porcelain heat-fused to a metal substructure.

This blackline surrounding your gum occurs because light which can pass through natural teeth is unable to pass through the crowns metal makes the crowns porcelain fusion look darker and restricts the amount of light in the root and gum areas. Fortunately a thin black line around your crown is no reason for concern. You most likely have a porcelain fused to metal crown which has tooth-colored porcelain baked on to a metal substructure.

What you see is the line of metal below the porcelain after your gums receded slightly. If your gum has receded it may now be exposing the border between your dental crown and natural tooth and the black line from the metal is now visible. Shadows around a crown.

In sum more rare occasions the black line is an optical illusion caused by a poorly fitting dental crown which casts a shadow over the surrounding area. Why is there a black line at the gums with my crown. As you can see on the photo to the right there is a dental crown on an upper front tooth.

In this case because of an unsightly black line right where the crown meets the tooth bonding was placed over. Anyway the black that is beginning to appear at your gumline is the metal showing through the porcelain. Or if you had a root canal on the tooth the tooth can appear darker than normal because there is no longer blood circulating to that tooth.

For future reference you may be interested in learning more about CEREC crowns. Eventually a dark or black line is revealed at the base of the crowned tooth right on the gum line. When the dark line develops the previously seamless look of your PFM crown is gone.

Not all crowns are made equal and many have darkness at the gumline. The truth is the quality of your PFM crown depends on how its made. This was the standard crown for dentists roughly ten years ago.

However if this crown was not prepared properly or the gum line began to recede the metal in the crown would show. The black line is simply the junction between where the crown and the tooth meet. And if this juncture occurs above the gum line the metal will be visible to the eye.

Thus creating that unattractive black line. What the Black Line Means. In the vast majority of cases a black line around a dental crown is simply due to the crowns composition.

Some crowns are porcelain fused to metal PFM. They have a metal inner shell and that metal shell is encased by porcelain. The metal makes the crown very strong and the porcelain provides a natural-looking.

Its likely not the gums that have turned black. What I find most commonly is a bit of gum recession away from the edge of a crown exposing a small strip of a tooth that has turned dark. Most frequently the dark tooth has had a root canal then a crown with a metal substructure covered by a layer of porcelain.

These black lines can occur around the type of porcelain crowns that have metal underneath the porcelain. The metal is actually exposed or it is oxidizing so the dark color shows through the thin tissue causing a black gum line around the tooth. In addition gum tissue tends to recede or pull away from crowns that are not fitted perfectly by the dentist.

Common Reasons For A Black Line Around A Crown. The first and most common reason for the black line is a tooth that has a porcelain fused to metal PFM crown on it. These types of crowns are made up of two separate materials.

Metal inside and a porcelain covering. The black line occurs when the gums recede and the metal starts to reflect through the tooth surface. In some cases the metal.

The dark lines between the gums and the crowns are metal parts of the crowns that are showing. This type of crown is called a porcelain fused to metal PFM crown. The metal part is used to provide strength to the crown but the results can be unsightly.

When the crown is placed on teeth that show when you smile this dark line becomes quite obvious. Black lines around the crowns. Black lines around the crowns usually are due to the metal content under neath.

Metal does not belong in a wet area like the mouth. So my advice when it comes to replace these crowns upgrade them to a full porcelain crown. The black line at the gumline of crowns is often the exposed metal substructure of less expensive crowns If your front teeths black lines have been isolated as the result of dental crown issues If this margin is exposed a dark line will appear This patient elected to have cosmetic dentistry with crowns that have no metal and restricts.

Gums around the crown turning black is a common complaint received by dentists frequently. One possible reason for this darkening is the material that your crown is made of. Some of them are porcelain heat-fused metal substructures.

And the black line around the gum is a result of the lack of light that pass through the crown. The best solution to this situation is changing your crown to new materials that are all white and will never appear black in the long term. Lack of adequate gum tissue around your teeth or crowns called gum recession.

Gum recessions will also appear as dark or yellow lines making a very unaesthetic smile line. The black line you see around the crown was probably not there when the crown was placed. Over time chronic inflammation of the gum tissue causes it to bleed easily and perhaps recede from the metal exposing it.

No longer is it necessary to have metal in crowns or that unattractive dark line. Estep and Boulden use all-porcelain restorations. Take care of your crowns and teeth by flossing regularly even around the crowns.

Brush your teeth and gums gently preferably using a soft bristled or electric toothbrush. We can recommend a product most suitable for you. Do not panic if you see a black line at the gum below your crown typically it is not a big concern.

The dark line originates from the edge of the dental crowns where the porcelain and the metal meet at a knife-edge at the gum line. At the knife-edge a very thin amount of the metal always shows. One of the illusionary techniques cosmetic dentists have used was to hide the thin dark line under the gum line.

Over time the gum tissue would recede and expose the dark line. In some patients the dark line would show. The base helps prevent breaks protect the remaining tooth structure and reinforce the crowns strength but often resulted in black lines.

As the porcelain thins near the gum line and the gum line recedes over time exposing portions of the metal base causing the dark lines where the metal appears. This base helped prevent fractures and added strength to crowns but often resulted in the eventual appearance of black lines. With PFM crowns the porcelain gets thinner as it nears the gum line but because the gum line recedes slightly every year the lowest portions of a crown can become exposed over time bringing with it a dark outline.