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Does a cracked filling need to be replaced?

Author

Michael Henderson

Updated on March 08, 2026

Does a cracked filling need to be replaced?

If a cracked filling is detected the dentist will recommend it be replaced because the filling no longer helps prevent decay and the cracked section(s) can act as a wedge that may fracture the tooth.

Subsequently, one may also ask, what happens if you have a cracked filling?

If your filling has cracked or become damaged, this allows bacteria to enter the tooth and potentially cause further damage. While these bacteria can be removed by brushing your teeth at least twice a day, they can be difficult to remove with your regular toothbrush.

Subsequently, question is, is a broken filling an emergency? It's not an immediate emergency, but we still need to get you in because your tooth will continue to decay. The cracked filling is exposed to bacteria, which will rot the tooth.

Then, how do you know if a filling needs to be replaced?

To help you protect your smile, teeth, and gums, here are 6 signs your filling may need to be replaced:

  1. The Filling is Cracked.
  2. Your Tooth Hurts.
  3. You Have Sensitivity When You Drink Cold Beverages.
  4. Your Filling is Discolored.
  5. You Were Injured.
  6. Your Filling is Old.

What does a cracked filling feel like?

You feel a small, hard object in your mouth after biting down on something too hard (you may also be able to hear a crack) You can feel a crack, hole, or indentation when you run your tongue over your tooth. This crack or hole may also catch on the surrounding tissues (lips, cheeks or tongue) causing them to be sore.

How much is it to fix a cracked filling?

For minor breaks that can be fixed with a dental filling, patients can expect to pay anywhere from $50 to $150. However, much of this will depend on how many teeth are affected and the type of procedure your dentist will recommend.

Does a broken filling hurt?

Broken or loose fillings are rarely considered an emergency, but because they can be painful we treat it as an emergency dental visit. The pain you experience is often due to exposed tooth tissue that is sensitive to pressure, air or hot and cold temperatures.

How do you treat a cracked filling?

There's no way to fix a broken dental filling on your own, so it's crucial to make an appointment as soon as possible before bacteria find a way into the gap left by the broken filling. If the issue is left untreated, you're at a higher risk of losing your tooth.

Can a broken filling make you sick?

If a cavity is not drilled and filled in an early stage, bacteria can enter the pulp of the tooth, leading to infection and pain. This abscess, or collection of pus, can spread into the bone, making your whole body ill.

How long does it take to fix a broken filling?

It's basically a repair job to fix the damage done by tooth decay. It's typically a painless procedure and generally takes about an hour. Cavities are common in the United States. According to the National Institutes of Health, about 92 percent of U.S. adults ages 20 to 64 have had a cavity.

What to expect after a deep filling?

This fortunately is not often the case and after some initial hypersensitivity, the tooth will usually settle. A short lasting hypersensitivity reaction to heat, cold and sometimes pressure, which subsides once the stimulus is removed, is normal following a deep filling. This may last for several weeks.

Can you fix a filling yourself?

Many drug stores are now offering do-it-yourself temporary filling kits for at-home use. These kits usually come with some sort of paste that can be rolled and applied to the tooth in question in place of the lost filling.

Can you crack a tooth filling?

A filling can crack when it is old, large or it has too much biting pressure on it. It can also crack if the tooth structure under the filling has softened.

How much does it cost to replace a filling?

Most filling treatments hold stable prices in the following ranges: $50 to $150 for a single, silver amalgam filling. $90 to $250 for a single, tooth-colored composite filling. $250 to $4,500 for a single, cast-gold or porcelain filling.

How many years do fillings last?

Usually, a filling will last anywhere from 7-20 years, although this depends on the location of the filling, the size, and your dental hygiene. Fillings put up with a lot of stress! Every time you chew, your filling is compromised.

How much does it cost to replace old fillings?

How much does it cost? The cost to remove an old amalgam filling and replace it with resin, varies. But, you should expect it to fall somewhere between $115 and $300. Here's an interesting online dental cost calculator you could play around with to get a feel for what you could be looking at in your market.

How many times can a filling be replaced?

For instance, gold fillings last an average of 15 to 30 years, amalgam fillings last between 10 to 15 years and porcelain and ceramic fillings last between 5 to 7 years. Your fillings can last longer than these averages, but they will eventually need a replacement.

Why does my filling hurt after months?

The reason for the sensitivity is usually the inflammation of nerves inside the tooth after the procedure. Tooth sensitivity right after dental work is absolutely normal. However, if the sensitivity persists weeks or even months after the process, it may be a sign of a severe issue that needs prompt attention.

Why does my dentist want to replace my fillings?

”) is intended to replace tooth structure lost to decay. Dental fillings may last many years; however, even- tually all fillings need to be replaced. If the seal between the tooth and the filling breaks down, food particles and decay-causing bacteria can work their way between the worn filling and the tooth.

How long do white fillings last?

White fillings don't last as long as silver fillings, and on average sustain for about 7-10 years. Nonetheless, they're still an incredibly strong, successful treatment for most cavities.

Can an old filling be replaced?

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.

How urgent is a cracked filling?

A lost or cracked filling is usually not an urgent emergency unless you are in pain but the longer you wait, the more complex and expensive the repair may become! An exposed tooth can decay quickly and turn into the need for a root canal.

Why did my filling break?

You developed decay around the filling or have a cavity underneath the filling that prevented it from resting on a stable surface and staying in place. You were chewing something hard and it dislodged the filling. You have a habit of grinding or clenching your teeth, and doing so broke the filling.

How do you stop a broken filling from hurting?

Easing Your Pain
  1. Use an over-the-counter (OTC) pain-relief medication like Motrin or Advil (ibuprofen) or Tylenol (acetaminophen).
  2. Floss between the teeth that are cracked or broken.
  3. Use oil of cloves (eugenol), which can be found in most health food stores.

Why does my filling hurt when I bite down?

Pain when biting down isn't a typical side-effect from having a cavity filled. However, it can be caused by the cavity filling. This happens when the filling is too high, giving you an abnormal bite. It can be difficult to determine if the bite is abnormal in the office, because the mouth has been numbed.

Can a hairline crack in a tooth heal itself?

It is possible for a tooth to repair itself if the damage is minimal. For example, if a tooth with a crack on the outer level and a minimal fracture line that does not cause pain may repair itself over time. The healing process is known as remineralization and refers to the minerals in our mouths.

Can a bad filling cause a root canal?

On occasion, after the placement of a restoration, a tooth can become non-vital and require root canal treatment. Every time a filling is placed or replaced, there is trauma to the pulp (nerve and blood supply). It can be a combination of many things that will cause this trauma.

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