Do teeth turn black under a crown? (2023)

Asked by: Ms. Shany Toy

Score: 4.8/5(58 votes)

Finally,A black line around a crown can indicate that the tooth underneath has started to decay. Although a crown protects the natural tooth substance, caries is still possible - especially on the edge.

Do teeth rot under crowns?

unfortunately,The teeth under the crown can still be damaged by bacteria, which causes tooth decay and tooth decay. Therefore, even with a dental crown, it is still important to maintain proper oral hygiene and regular visits to your dentist for cleaning and check-ups.

How do you know if you have tooth decay under a crown?

Dentists may use X-rays to look for decay under crowns. Nevertheless, an in-depth examination by a second opinion may be necessary. Other signs of a cavity under a crown to look out for include crown tooth pain or sensitivity, inflamed gums, and bleeding during routine oral hygiene.

What happens if you get tooth decay under a crown?

If you get tooth decay under a crown, problems can ariseaffecting your oral health. Problems like bad breath and inflamed gums can develop, or the tooth decay can extend deeper into the tooth, causing dental infections and even making the tooth beyond salvage! Tooth decay under a crown can be caused by poor oral hygiene.

Why is it black under my crown?

Why is there a black line around my crown? The most common reason isthe material from which the tooth crown is made. A metal-fused porcelain restoration, or PFM, has dental porcelain covering a metal base.

18 related questions found

Why are my gums black around my crown?

Why is there a line around your gum line

That black line surrounding your gums appearssince light that can pass through natural teeth cannot penetrate the metal of the crown, the porcelain fusion makes the crown appear darker, and limits the amount of light in the root and gum areas.

(Video) Tooth Decay Under a Crown | Recurrent Decay Explained

Can a crown be taken off and put back on?

In some situations, the original crown can be removed and re-cemented. New crowns may be needed to achieve your goals for a healthy and beautiful smile. These new crowns are made in the same way as the original.

How do I get rid of the black line on my crown?

Get rid of the black line

The way to get rid of those unattractive dark lines isto replace the old crowns with new porcelain crowns.

Why does my crown hurt when I bite down?

If your dental crown is too high or incorrectly positioned, this can be the resultfor moderate to severe painin the tooth when biting. If your bite feels wrong after getting a crown and you feel pain when you bite down, you might want to ask a dentist if the crown is loose or needs adjustment.

Why does my crown smell bad?

Poor hygiene can lead to plaque and debris forming around the crown. In this case, the bacteria present can produce bad breath. Poorly sealed crown margins can lead to leaks, where bacteria can get under the crown and cause tooth decay.Decay around or below a crowncan also lead to bad crown odors.

(Video) Why Do I Have Black Lines Around My Crown? (Dr. Armin Abron & Dr. Brian Laurence)

How often can a crown be replaced?

Porcelain crowns, which are the most popular because they are the cheapest, remain lastup to 15 years. Metal crowns have a lifespan of around 20 years or more. Crowns made of gold or zirconia can last a lifetime.

Can food get stuck under a crown?

Food gets stuck around the crown

You may also notice food pooling around the base of the crown. This could be a sign that the crown isn't fitting snugly against your tooth - it could create a ledge for food and plaque to collect on. That can lead to thisgingivitisand caries of the tooth.

What does it mean when a crowned tooth hurts?

If your crowned tooth is starting to be sensitive to heat, cold, and/or air, this could be the causethe gums around the tooth have receded over time, exposing part of the root. Vigorously brushing your teeth can lead to receding gums. Gums that begin to recede are more susceptible to plaque build-up and can lead to gingivitis.

How do I know if my tooth crown is infected?

Here are the signs of a tooth crown infection:

  1. Redness at or around the site of crown placement.
  2. Gingivitis/swelling of the gums or jaw around the area that now has the crown.
  3. tenderness or pain around the crown.

How long does it take for a tooth crown to settle?

Before you worry, you should know that every crown has an adjustment period. Oftentakes two, maybe even three or four daysgetting used to having that new crown in your mouth. If it feels uneven for the first two or three days, that's a normal part of a new crown.

(Video) What to do when a tooth decays under a crown? - Dr. Ranjani Rao

Can I leave out my crown?

When a crown falls offdon't leave it in your mouth. This could result in you accidentally swallowing or inhaling it. A cracked crown can also have jagged edges that can damage the soft tissues in the mouth and gums, further damaging the now-exposed root of the tooth.

Can a cemented crown be removed?

The safest and least traumatic method of removing a cemented restoration is theCut a slit and pry the crown or holder looseto sacrifice the restoration. However, various techniques and instruments for the intact removal of definitively cemented cast restorations are described in the literature.

When can a crown not be replaced?

Although today's dental crowns are strong and durable, they probably won't last the rest of your life. Hold most crownsbetween five and 15 yearsbefore they need to be replaced (or at least repaired).

Can a tooth that is broken at the gumline be fitted with a crown?

Unfortunately if theabutmentbroken or chipped at the gumline, you will see some of it in the crown. In such a situation, your dentist will need to perform a root canal treatment to provide a new abutment to anchor the crown.

How do bacteria get under a crown?

They can be damaged byTraumato the mouth or chewing on hard objects. When a crown is damaged, bacteria can more easily get past it to the tooth below. If bacteria can get past the crown, so can the sugars they feed on.

How does a dentist repair a crown that is too high?

Types of bite adjustment procedures

  1. If the filling or crown is too high, your dentist can easily readjust the original work. ...
  2. Tooth reshaping can be done if your teeth are misaligned due to heredity (or any other cause).
(Video) Discolored teeth after root canal treatment - what can you do?

Is crown removal painful?

Not at all. Temporary crowns are meant to be removed, and they don't require much force or effort to remove. You may feel a slight pressure on your tooth when Dr. Annese will loosen the tooth, but you will not feel any pain or discomfort.

How much does a crown repair cost?

The average cost of a crown replacement or a new all-ceramic crown is1.300 $. Depending on the specifics, your cost can be as high as $3,000.

Can food get under dental implants?

Unlike a normal tooth, tooth restorations are completely cemented in place, i.eFood (and other things) cannot get stuck underneath. If food gets stuck in your implant, it could mean that the implant was placed incorrectly.

What are the disadvantages of dental crowns?

The disadvantages

  • Costs. A disadvantage of crowns can be the cost. ...
  • risk of nerve damage. There is a possibility of nerve damage if a tooth is filed too thin. ...
  • Sensitivity. Dental crowns can also destroy other teeth if the crown is too abrasive. ...
  • Possible need for further repairs.
(Video) Dentist says DO NOT CROWN YOUR TEETH! - Proves it with a Clinical example!


Does your tooth turn black under a crown? ›

If the teeth under the crown are discolored or blackened, it can indicate a range of dental problems. It usually means that bacteria have invaded the crown's surface because it is not well sealed or has minor or severe damage that needs to be fixed and repaired as soon as possible.

Why is my crown black underneath? ›

In most cases, a black line around a dental crown is a direct result of the crown's composition. Many crowns are made of porcelain fused to metal (PFM). Such crowns have a tough metal shell on the inside, which is surrounded by porcelain.

Can teeth decay under crowns? ›

However, what patients may not know is that tooth decay under a dental crown is still possible. Like natural teeth, not maintaining proper oral hygiene and allowing bacteria and plaque to accumulate is why tooth decay under a dental crown is an issue.

How do you know if you have tooth decay under a crown? ›

How to tell if your tooth is rotting beneath a crown. If the affected area is quite small, it can be hard to detect any cavities or decay underneath it. To determine this, the dentist will usually use an x-ray. It will be up to him or her to know whether the teeth underneath are rotten or has any damage.

Should it be black under a crown? ›

Is it normal for my tooth to look black under my crown? It's not supposed to darken. Most of the time, tooth discoloration is caused by bacteria getting in the dental crown. It can also be the result of an inadequate seal on the crown.

Why is my tooth grey under my crown? ›

Gray Crowns

This is because the metal layer on these crowns often penetrates the slightly-transparent porcelain layer on top. This gives the tooth a gray shift, especially in direct light. This can be unsightly and bothersome to people who just want a natural, healthy-looking smile.

What happens if you get decay under a crown? ›

If you get decay under a crown issues may occur that affect your oral health. Issues such as bad breath and sore gums may develop or the decay may extend deeper into the tooth, causing dental infection and may even mean the tooth cannot be saved! Tooth decay under a crown may be caused by bad oral hygiene.

How do you prevent decay under a crown? ›

The easiest way to avoid having a crown get decay underneath it is to pay special attention at home to the margins (edges) of the crown where it attaches to the tooth. Brush and floss are mandatory for long life of a crown. As well, special cleaning tools may be needed.

How do you clean under a crown? ›

Keeping a dental crown clean

Patients with a dental crown as part of an implant should use a soft-bristled toothbrush no less than twice a day. As for the type of toothpaste, it is important to select a non-abrasive formula. The individual needs to brush around and under the dental crown as much as possible.

Can you see decay through a crown? ›

Contrary to popular belief, a cavity can develop beneath a crown. Tooth decay can form at the margins of a crown or even underneath its surface. But because crowns cover so much of a tooth's surface, it can be difficult to spot these cavities without careful examination.

Can an xray see through a crown? ›

The second issue with metal crowns is that the metal completely blocks viewing the anatomy on x-rays, leaving dentists helpless to see any decay or issues which may be occurring underneath the crowns. This is why metal based crowns can frequently cause root canals as the decay can spread to the nerve undetected.

Can an xray show the tooth under a crown? ›

It's not all that easy to know if there is decay underneath a crown because it can be a very small area when it begins. We routinely will use an x-ray to see if there is decay forming on the tooth under the crown. Our skilled dentist will look at the results of the x-ray and do a thorough oral exam.

How do I get rid of the black line above my crown? ›

Crown Replacement

The second way to eliminate those black lines is to switch to different materials; for instance, from your former porcelain crown over a metal framework to solid porcelain material. Another method to get rid of those black lines is to have all your old crowns replaced with porcelain.

Can a crown be removed and put back on? ›


In some situations the original crown can be removed and re-cemented into place. New crowns might be required to meet your objectives for a healthy and beautiful smile. This new crowns are fabricated in the same way the as the original.

Why are my gums turning black around my crown? ›

In the anterior of the mouth crown preparations are usually done slightly under the gum-line in order to hide the margin of the crown. If this margin is exposed a dark line will appear. Sometimes people see this dark area and mistake it for decay, when in reality it is the metal showing near the gum line.

Why is my tooth turning black under veneer? ›

If it becomes darker at the gumline, it is because of leakage under the porcelain. The bond has deteriorated, and bacteria and decay are getting between the tooth and the veneer. So you really need to have this veneer replaced. And you need to do it before the decay becomes serious.

Can a tooth turning black be saved? ›

When you have a black tooth the best thing to do is to contact a dental professional – who can assess the situation. Luckily, even the more serious causes of a black tooth can usually be fixed through the right dental or orthodontic treatment.

Can Waterpik damage crowns? ›

Answer: Using a water pick should be safe

In general, it is safe to use a water pick with a dental crown. You shouldn't wash away the cement by using one. However, if you're concerned that this might be a problem, you may want to consider flossing instead of using a water pick.

What toothpaste is best for crowns? ›

Damage to the underlying tooth is one of the main reasons crowns need to be replaced. Other than that, there is no specific type of toothpaste you have to use for dental crowns. Most general kinds of toothpaste are fine, with the possible exception of whitening toothpaste.

What is the best mouthwash for dental crowns? ›

An over the counter fluoride rinse (ACT, Crest Complete Care, Listerine Total Care) is also recommended for daytime use. With effective, consistent care – your crown and surrounding tooth structure should remain healthy for a long time.

Can you use hydrogen peroxide on crowns? ›

Does Teeth Whitening Work for Dental Crowns? The peroxide will not affect the color of the dental crown. These prosthetics are usually made from ceramic or porcelain materials and are able to resist the effects of the brightening agent.

What is the average life of a crown? ›

A crown's average lifespan

Professionally-fitted dental crowns usually have about five to 15 years of longevity on average. Crowns are made of resilient materials, like porcelain or metal alloys, which allows them to stand up to a lot of potential wear and damage.

How do you know if something is wrong with your crown? ›

Signs that Your Dental Crown Needs to be Replaced
  1. Your Gum Line Is Recedin.
  2. You Experience Pain or Swelling.
  3. You Notice Wear and Tear on Your Crown.
  4. Your Crown is Damaged.
  5. Your Crown is No Longer Aesthetically Pleasing.
  6. Your Crown Is Ten Years Old (or Older)
Jul 28, 2019

Do crowns set off metal detectors? ›

The majority of metal detectors used by the TSA work by creating an electromagnetic field, which sets off an alarm when it detects any nearby magnetic metals. In most cases, modern dental implants are primarily made from titanium, a non-magnetic metal. So, titanium dental implants should rarely trigger metal detectors.

Can a dentist drill through a crown? ›

At Knight Dental Care, Dr. Knight can either remove the crown before drilling into the tooth to create an access hole or drill this access hole through the crown. If this happens, then the crown will need to be replaced as it will be weakened. If the old crown is used, the root canal can become reinfected again.

What does an infected tooth look like under a crown? ›

Redness and tenderness around the crown. Swollen or sore gums surrounding the crown. A constant sensation of warmth on one side of your mouth. Yellow, clear or greenish discharge near the crown.

How many times can a crown be replaced? ›

You can replace the crown as many times as you want if there is nothing wrong with it. What we mean by that is that there is no tooth decay underneath the cap. In this case, your dentist can simply remove it and just remake a new one without harming the underlying tooth structure.

Can decay under a crown be seen on an xray? ›

Usually there is metal underneath the porcelain or the crown is made entirely of metal. This metal makes it impossible for the tooth structure inside of the crown to be seen on a radiograph (x ray). When decay under a crown is small, it is often difficult to detect.

What happens if you have a cavity under a crown? ›

A cavity under a crown can be difficult to treat, and may require a root canal. Your dentist will likely recommend removing the infected tissue from your tooth if the cavity has become infected. After a root canal, you will need to have another crown placed on your tooth.

Why is my tooth black but doesn't hurt? ›

Poor oral hygiene

If your oral hygiene routine is not thorough enough to remove the acid-excreting bacteria each day, the acid will slowly eat away at your tooth. As the tooth gets eaten away, tooth decay sets in. Tooth decay naturally looks black and can give the appearance of a black tooth.

How do dentists fix black teeth? ›

Treatment for a Darkening Tooth

If your tooth is not decayed or infected and there is no other diagnosis for it, a cosmetic dentist can conceal the darkness with a porcelain veneer or composite bonding. An otherwise healthy tooth would not require extraction and a dental implant.

Does a black tooth need to be removed? ›

Sometimes, a tooth may be so damaged or decayed that it cannot be saved. In these instances, a dentist may recommend removing the tooth. Black teeth that are severely stained may be treated with professional stain removal and teeth whitening.


1. Crown on black tooth I Temporization of necrosed teeth
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2. crown has plaque underneath
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3. How to whiten a single dark tooth
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4. Dental Crown Procedure
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5. Dental caries hidden under a porcelain fused to metal crown
6. What's hiding inside these Dark Spots?
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