How do you know if you need a root canal after a filling?

Persistent tooth pain is one of the signs that you may need a root canal. The pain in your tooth might bother you all the time, or it might go away from time to time but always return. You may feel the pain deep in the bone of your tooth. Or you may feel referred pain in your face, jaw, or in your other teeth.
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How can a dentist tell if you need a root canal?

The dentist will determine the need for a root canal through one or several of the following methods: x-rays, the cavity test, selective anesthesia (to identify where the source of pain is when the patient doesn't know), thermal and electric testing, or by tapping on the problem tooth.
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Is it normal to need a root canal after a filling?

Not always. 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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How do you know if your filling is infected?

Symptoms
  1. Severe, persistent, throbbing toothache that can radiate to the jawbone, neck or ear.
  2. Sensitivity to hot and cold temperatures.
  3. Sensitivity to the pressure of chewing or biting.
  4. Fever.
  5. Swelling in your face or cheek.
  6. Tender, swollen lymph nodes under your jaw or in your neck.
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How do you know if a cavity has reached the nerve?

If you have a cavity that has reached the nerve tissue, you may experience some or all of the following symptoms:
  1. Toothache when pressure (such as chewing) is applied to the tooth.
  2. Tooth sensitivity to heat or cold.
  3. Discoloration of the tooth.
  4. Swelling or tenderness of the gums.
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Signs and Symptoms of Needing a Root Canal



Why is my tooth throbbing after a filling?

An Irritated Nerve

Sometimes the filling can come close to the nerve ending and cause some irritation. However, as the tooth heals, the throbbing pain and sensitivity will slowly go away.
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How do you avoid a root canal after a filling?

Avoidance Tactics: Top 10 Tips to Avoid Root Canal Treatment
  1. Brush twice daily. ...
  2. Floss once daily. ...
  3. Avoid hard foods such as hard candies and lollipops. ...
  4. Weak teeth be wary. ...
  5. Back away from the ice! ...
  6. Wear a mouth guard at night. ...
  7. Wear a mouth guard while playing sports.
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How long can you have a cavity before it needs a root canal?

Some people have softer tooth enamel than others, which makes it easier for bacteria or acid to penetrate the tooth. As a broad timeline, on average, it can take anywhere from six months to four or five years before a cavity needs treatment. The conditions of your mouth change daily.
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How do you know if you need a root canal or just a crown?

Persistent Pain

If you have severe and consistent tooth pain, it's a sign that you need a root canal and a dental crown. In most cases, a toothache is a sign of a decayed or infected pulp or filling. To repair and prevent further damage, a root canal and dental crowning may be necessary.
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Does tooth pain always mean a root canal?

Strong pain does not always mean that the patient needs a root canal treatment. In some cases, the tooth which requires the surgery, may not even hurt. When pain is present, however, this can indicate a necessity for a root canal.
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Can an xray show if you need a root canal?

When you get an x-ray, this will give definitive proof that you need to get a root canal. The x-ray gives the dentist a clear view of any infection in the tooth especially one at the root of the tooth.
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What is alternative to root canal?

An alternative to a root canal is a tooth extraction, in which your dentist can replace a damaged tooth with a bridge, partial denture, or implant. This can be an expensive treatment and usually requires several visits to your doctor. If you're a candidate for a root canal, you'll likely experience less pain over time.
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Do I need a root canal if there is no infection?

You might still need a root canal even if you do not feel any pain because not all infection results in pain. The purpose of a root canal is to handle any infection that has developed in your tooth pulp, not just stop you from feeling pain. A root canal can save your infected tooth from having to be extracted.
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What is worse a crown or root canal?

Crowns can be a great option to preserve the integrity of your natural tooth. One study found that just 5% to 7% of teeth that receive crown restorations end up needing root canal treatment. Additionally, research has shown that a dental crown following a root canal improves the chance of long-term tooth survival.
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Why does my filling hurt after months?

This is a normal occurrence after undergoing oral procedures such as tooth removal or cavity fillings. Sensitivity occurs because the nerves inside the tooth swell after the dental procedure.
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What does a brown spot on your tooth mean?

Brown spots on teeth can be an early warning sign of cavities, which require a dentist to fix. They may be accompanied by symptoms such as tooth pain, sensitivity, or bad breath. If tooth decay becomes severe, it may lead to gingivitis.
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Why does it hurt when I tap my tooth?

If tapping lightly on the tooth causes acute pain, this is usually a sign of local infection. Infections can often be treated with the simple use of antibiotics, but, in severe cases, an abscess may develop in the gums, teeth or bone of the jaw that may require surgical drainage.
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What leads to needing a root canal?

Root canals are needed for a cracked tooth from injury or genetics, a deep cavity, or issues from a previous filling. Patients generally need a root canal when they notice their teeth are sensitive, particularly to hot and cold sensations.
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How do you know if you have a cavity under a filling?

An instrument called an explorer will be used to detect worn spots around the edge of the fillings. If the seal between the filling and tooth enamel breaks down, decay-causing bacteria and food particles can get under the filling. These bacteria are hard to remove easily with a toothbrush.
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Why does my tooth hurt worse after a filling?

Short-term tooth sensitivity after a filling usually occurs because the filling procedure has aggravated or caused inflammation in the nerve inside the tooth. Usually, the tooth's outer layers — the enamel and cementum — protect the nerve from exposure.
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What pain is normal after a filling?

Normal Pain

Soreness of your mouth is very common after having a cavity filled, especially around the area of the affected tooth. It is also common to experience jaw pain. This happens because you've had to hold your jaw open for an extended period of time while the dentist works their magic.
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Why does my tooth still hurt 2 weeks after a filling?

Reasons for Lingering Tooth Pain After a Filling

Air temperature and pressure from biting down can also cause pain on a new filling. Typically, this pain and sensitivity should go away within a few weeks. If it does not go away or if it gets worse, contact your dentist.
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Can a dentist mess up a filling?

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.
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Can I avoid a root canal?

Root canals are performed when bacteria, introduced through a cavity or crack, compromise the nerves located inside the tooth. The bacteria cause an infection, which eventually kills the nerves. But root canals can be avoided, Teitelbaum says, in cases where the nerves are not yet infected.
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Can you naturally heal a tooth that needs a root canal?

The short answer is no. The long answer is fairly straightforward. The infected tissue inside a tooth cannot heal by itself and will only get worse over time if left untreated. Even if you experience no pain, you should still seek treatment.
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