How often should a filling be replaced? (2024)

How often should a filling be replaced?

A patient with resin fillings may need to replace the fillings every seven to 10 years. Silver or amalgam fillings

amalgam fillings
Amalgam is a mixture of two or more metals (alloy) with mercury which has been purified first by distillation to remove impurities. Currently, major components of the alloy are silver, tin, and copper. › wiki › Amalgam_(dentistry)
are also popular due to their durability and affordability, lasting an average of 15 years. Gold fillings are less popular because they are more expensive. However, gold fillings can last the longest.

How often should you replace fillings?

Depending on the type of material used (eg. amalgam or composite resin), fillings often last between 7-15 years. If your filling is old and starting to show some signs of wear and tear, it's important to replace it before it cracks.

How often is filling done?

How long do fillings last?
Type of fillingAverage duration
amalgam15 years
composite7 years
ceramic15 years
glass ionomer5 years
Sep 30, 2020

What is the life expectancy of a filling?

Usually on an average, dental fillings last for 10 years or more, and in some cases less. Among the materials that are used for dental fillings, amalgam lasts longest after gold. Amalgam lasts for 15 years, followed by ceramic, around 15 years, composite around 7 years and glass ionomer around 5 years.

How can a dentist tell if a filling needs to be replaced?

While your dentist will check your filling during your semi-annual dental exams, here are some signs that your filling may need to be replaced:
  1. The Filling is Missing or Damaged. ...
  2. The Filling is Discolored. ...
  3. You are Experiencing Tooth Pain/Sensitivity. ...
  4. You Have Undergone a Facial Injury.

Do old dental fillings need to be replaced?

Dental fillings can last for many years. However, they are not immune to decay. It's likely that you'll need to replace your cavity if you have a filling that has developed a new cavity in the same tooth. Recurrent decay can occur if the filling has worn, damaged, or has gaps between it and the tooth.

Is it OK to replace old fillings on teeth?

If your fillings have started to show signs of significant wear and tear or damage, then it's likely time to consider replacing them. This is particularly true if you're experiencing pain or increased sensitivity at the cavity sight.

When can a filling not be replaced?

A general expectation is about 10 to 15 years with good care, but some fillings may not last even that long. Use the following information as a guide for how long you can expect a new or replacement filling to last.

Do dental fillings have a warranty?

Composite (tooth-colored) Fillings: (2 Year Warranty) If a composite filling is the recommended treatment, the filling will be repaired or replaced in the event of a failure.

Do fillings fail over time?

Unfortunately, dental fillings don't last forever. With proper care and oral hygiene, your filling can easily last 10, 15, or even 20 years.

What happens to fillings after 10 years?

Dental fillings that are made of metal or gold materials are known to last upwards of 20 years. On the flip side, more modern materials such as porcelain should also last a while, however, typically, not more than 10 years. Composite resin, while a popular material, is not as strong.

How can I make my fillings last longer?

How to Make Your Fillings Last For a Long Time?
  1. Avoid smoking and drinking alcohol.
  2. Maintain a healthy and balanced diet.
  3. Opt for an alcohol-free mouthwash.
  4. Try not to bite down too hard, especially with the side of the filling.
  5. Use a toothbrush with soft bristles.
  6. Floss and brush your teeth daily.

How many cavities is normal in a lifetime?

In general, adults develop an average of three cavities during their lifetimes. This means that the average adult has three or four fillings in their mouth. Some patients end up with ten or more fillings depending on how well they care for their teeth.

Do deep fillings lead to root canals?

The majority of deep fillings can be treated successfully without resulting in sensitivity and do not require root canal treatments.

What does a worn filling feel like?

Even a tiny crack in the filling can affect its ability to protect the tooth. Some fillings look intact but start to feel rough when you put your tongue over them. Fillings should feel smooth, and signs of roughness are a sign that the filling is wearing down.

Did my dentist do my filling wrong?


The failure by a dentist to adequately carry out a filling can lead to ongoing tooth aches and pain. Whilst most people may experience some ache after having a tooth filled, tooth ache which last several weeks may be the sign of a poor dental filling.

Should 40 year old fillings be replaced?

Amalgam fillings are durable and effective, which is why they have been used for well over 100 years. On average, you can expect a metal filling to last for about 15 years before needing to be replaced, but the length of time can vary based on several factors, such as if you grind or clench your teeth.

Do all fillings turn into crowns?

The answer to that is typically no, unless there is damage to the filling or the tooth beneath it.

Why do dentists remove old fillings?

Dentists recommend removing old composite fillings only after they notice damage to them or severe staining. However, except for their lower lifespan, composite resin fillers stay in your teeth for the suggested duration without needing replacements unless they sustain damage.

Can you get decay under a filling?

Unfortunately, even with a filling in place, your tooth is still susceptible to developing decay underneath the filling. This is known as recurrent decay, and while it might not be as common as primary decay, it can still cause a lot of problems for your smile.

What happens if you don't replace an old filling?

Fillings don't last forever. In fact, sometimes they need replacing due to regular wear and tear. While fillings protect your teeth from damage and decay, you will lose that protection when your filling wears down or falls out. And without that protective layer, your tooth will be exposed to harmful bacteria and decay.

Why do all my old fillings hurt?

If your old filling breaks, it can lead to sensitivity and aches when it starts getting close to the tooth nerve. Even if your loose or damaged cavity filling isn't a source of pain, you should get it replaced to avoid further tooth decay.

Why would a new filling need to be replaced?

It Has Become Damaged

In addition to falling out of becoming loose, the next sign that your filling needs to be replaced is if it becomes damaged. Although fillings are fabricated for strength and durability, they can still become damaged just like your natural teeth.

How many fillings is normal at 30?

Young adults (20-39 years old)

Depending on oral health and prior dental care, the number of fillings in young adults can vary greatly. However, the frequency of cavity fillings for young adults is typically between 4 and 8.

How long are white fillings guaranteed for?

The life expectancy of a white filling can depend greatly on where it is in your mouth and how heavily your teeth come together when you bite. Your dentist can advise you on the life expectancy of your fillings. However, any fillings provided on the NHS are automatically guaranteed for one year.


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