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Why Do Some Root Canal Treatments Fail?

And Why It Isn’t Your Dentist’s Fault

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Root canals aren’t usually people’s favourite procedures. If you have to have one, it means that you’ve probably been in pain or discomfort for a while and have made a trip to an after hours dentist. After all that trouble, you probably think that the root canal should solve everything. But sometimes, your problems will continue after the root canal, meaning that you have to get further treatments. If this happens to you, then you need to know why it happens and why it isn’t always your dentist’s fault.

Why Do You Need a Root Canal?

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In basic terms, people need a root canal when the pulp or inside of their tooth has become infected. During a root canal, the nerve and pulp inside your tooth are cleared out and the area is sealed so that bacteria can’t get in there again. To complete the procedure, your dentist will usually put a crown over the top of the tooth to increase its strength and repair its appearance. This procedure usually alleviates any pain immediately because the nerve, the part of your tooth that registers pain, is gone. And once the area has healed, you will be able to go back to your normal eating routine and probably won’t even notice that you ever had the procedure done.

If you have an infected tooth, your dentist will usually try to treat the infection with antibiotics first. However, if the infection has gone too far, if it threatens the health of surrounding tissue, it’s usually better to perform a root canal. Otherwise it can cause problems such as abscesses or pain and infection in other parts of the face and even in the rest of the body.

Some causes of tooth pulp infection include:

  • A cavity that has been left too long.

  • A crack or chip that hasn’t been repaired and has let bacteria into the centre of the tooth.

  • Repeated procedures on a tooth.

  • Gum infections that have been left untreated and infected a tooth.

  • Face traumas.


What if the Root Canal Doesn’t Work?

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Most people who get a root canal go back to their normal lives without any further problems. In fact, between 90 and 95 percent of root canals are completely successful. However, there are a small percentage of people who aren’t so lucky.  

There can be a number of reasons why a root canal may fail. And the first and most common is related to the original infection. As Doctor Oberoi from Emergency Dentist Sydney says about root canals, “If they haven’t been done properly in the first place and the infection is still there they can fail.” That’s why you need to make sure that your root canal is done by a properly qualified and experienced after hours dentist.

Another reason why a root canal may fail has to do with the condition of the tooth itself. Doctor Oberoi points out, “…if there’s a crack in the tooth then it can affect the root canal. That’s why we usually recommend putting a crown over the tooth.”

A root canal may also fail if it isn’t taken care of after the procedure. You need to make sure that you follow your dentist’s instructions closely when it comes to after care. Otherwise the gum or surrounding teeth could become infected, resulting in more dental work.

Emergency Dentist Sydney Says:

If you need a root canal or any other emergency procedure, contact our Emergency Dentist in Sydney. Our caring and expert staff are available 24 hours a day to help you with all your emergency dental needs.

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