Sore tooth after filling: why and how long it hurts

The patient goes to a dentist mainly only when there is a toothache. And the purpose of his visit is to get rid of this pain. But it happens that put the seal and the tooth hurts. Why is it so? Should teeth hurt after a filling? What could be the reasons for this? Because of that sore tooth after filling what to do if there is pain? So many questions arise in such cases. To understand why, you need to understand under what circumstances the pain occurs in the tooth after filling. Let’s start with the fact that the tooth may ache, as in the treatment with preservation of the vital pulp – dental canal, and when you remove it after filling. Each case has its own reasons. And depending on the etiological factor, the nature and intensity of dental pain may vary. It is necessary to understand in more detail, resulting in sore tooth after filling?

The etiology of pain after the imposition of the permanent filling on the tooth alive

Sore tooth after filling may, for various reasons. But the most common of them and the most dangerous is the wrong diagnosis. Very often, doctors confuse the symptoms of deep caries with chronic pulpitis or periodontitis. The first diagnosis remains a thin wall between the pulp and the carious cavity. Complaints mostly are similar. And so, hoping that the tooth will remain alive, treatment is with deep caries. After some time, and maybe even the same night, a strong spontaneous shooting pains. Why they appeared after the installation of the seals? Because the tooth was not bothering. When the nerve is inflamed, it swells a bit. If cavity is open, it can not feel. But in this case, the tooth is closed and under pressure the seals have pain.

The second case is the overheating of hard dental tissue during preparation, i.e. mechanical treatment of carious cavity. It is produced by a turbocharged bormashenko, which has a large number of revolutions per second. If you do not use air / water cooling and not to do intermittent breaks, this leads to heating of tissue. This increase in temperature and reacts in the nerve. Usually in such cases tooth ache after filling. It may bother a few days. If the nerve due to this effect not inflamed, the pain after tooth plombirovaniya host itself.

Sometimes the pain discomfort may develop gradually so that the patient doesn’t understand what’s bothering him recently cured tooth. Occur aching pain, especially when biting. This is due to the fact that over a dental filling. That is, it is above the rest of the chewing surfaces of the tooth merges with the opposite faster, at a time when they should close up all together at the same time. The patient in the chair may not feel it because the anesthesia has not yet ended or if there was a large cavity, he could get used to, that there is a void and nesrazu to understand it is normal or not. This puts a heavy strain on the tooth and appear uncomfortable. Besides, it may lead to malocclusion.

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The last etiological factor is polymerization stress. Modern dentists use only the light seals. Very rare to find a place where to put the materials of chemical curing. Some seals when installing more voluminous. Under the influence of ultraviolet light, they shrink as curing. Happens pressure on the tooth walls and there are aching pain. How much of a sore tooth after filling, in this situation, no one knows. It might last a couple of weeks. And maybe even not pass.

Why do my teeth hurt after removal of the nerve

It would seem that the nerve is removed, there is nothing to hurt. Nevertheless, experiencing pain. Why do my teeth Hurt after stopping of channels? Normally, they can occur. The pain will occur when biting on this tooth, wear aching in nature, to respond to tapping, even on the temperature stimuli. This happens because when you remove the nerve from the canals, he seems to be detached from a larger nerve. And until it heals it a place of isolation, these unpleasant sensations are disturbed. Such symptoms are concerned, basically, a week.

If the tooth pain after filling root canals or lasting longer with each passing day the intensity increases, you must immediately contact your doctor. Because the cause may be something else that requires appropriate treatment.

The reasons may be several:

  • Infection in the periapical tissues;
  • Not completely removed the nerve from the canal;
  • The breakdowns in the channel by machining;
  • Incomplete obturation of root canals;
  • Perforation.

Is to understand in detail each reason.

The nerve remained in the channel

To remove the nerve from the canal need a tool like pulpectomies. He looks like a Christmas tree, thread hijacks nerve. You need to enter the channel, twist once and pull out. If the nerve is alive, then one time is enough. If necessary, repeat several times. But often he is played in the channel a few times in different directions, which leads to incomplete removal. It also happens that a root canal is not completed until the end. And at the end of the root, if the channel is narrow can be a bit of nerve. The doctor did not know about sealing the channels. And then the aching tooth after plombirovaniya channels. In this case, the tooth ache after filling can quietly fade away, but there is the risk of development of periodontitis. Moreover, if you leave the tooth, it will darken over time, acquiring a gray-black color.

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Also it may happen that, not just a piece left, but the whole channel to be processed. Have no teeth a certain number of roots and canals. This number can vary from two to six. Of course in large indigenous more common three. Many doctors make the mistake of relying on this figure. Found three channels, the farther you can stay. And it may happen that there are one or more channels. It will be regarded as incorrect treatment, the doctor will have to re-perelechivat the tooth.

The breakdowns in the channel

The reason why toothache after filling root canals can be a very grave error doctor. Each person has the structure of teeth, channels, their arrangement is different. Someone they good passable someone is too narrow, it is impossible to pass the smallest instrument. Some experts in an effort to expand the walls can one awkward movement to break off the tool and leave it there chip. In most cases it is not possible to remove from there. Can not leave, because this area will remain untreated and can lead to serious consequences. In such cases it is necessary to remove the tooth. Incomplete obturation, that is, the filling of the canal will also lead to inflammatory processes.

Inflammation at the root apex


This process is called periodontitis. It occurs because of bacteria in the periapical region, whereby there is formed pus. Most often this process develops when the nerve is already falling apart. But there are cases when periodontitis occurs in live nerve. Some doctors think it is pulpitis and treated appropriately, without eliminating inflammation outside the root holes. In this case, sore tooth after filling of the channels intensively. Every day throbbing pain in the tooth builds up more due to the fact that the resulting pus has nowhere to go. Tooth like pulses.
Can the pain itself go? It is unlikely, may be less, but in this case there is a risk of fistula on the mucosa in the projection of the inflamed root. Periodontitis can also develop when there is insufficient processing channels. Remain infected dentine chips that lead to the development of infection.

Perforation of the bottom of the tooth or the walls of the root canal

In other words, is the creation of a hole in the tooth, which should not be. The bottom perforeret often, when looking for the mouth of the channels. Unfortunately, there is no specific topography, but there are some guidelines. Many doctors may not know about it and to drill a tooth through. Or, if the tooth is badly damaged because of the soft bottom can be mistakenly assumed that the channel is found. And actually punctured the bottom. And the pierced channels, trying to pass them. It so happens that they are in the end strongly curved or sklerozirovanie. And specialist trying to solve it before the end of may make a hole in the wall of the channel.

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Still there is a mistake, as removal of material at the tip. The channel must be sealed to the physiological apex. If the hole is too wide, there is a chance of removing the filling material. It can put pressure on nerve endings, causing pain. With periodontitis, specifically output for the top. But only in chronic forms, when there is resorption of bone around the top. In other cases, it is necessary to try to remove the excess.

What action to take when postcombination pain

What to do if my teeth hurt after a filling? If he is alive, you should return to your doctor and tell them about their complaints. And in cases where the pain originated after a tooth canal filling, it is necessary to observe him. On the same day, he may start whining. This may be due to the fact that the filling material is removed or many other reasons.

If the pain decreases with time, nothing to worry about. To ease these pains, you can do a rinse with anti-inflammation solutions.

When the tooth hurts, starts to pulse, you need to go to the doctor with x-ray. After the doctor will determine why the began to hurt after a tooth canal filling, it will carry out appropriate manipulation. Surge happens when periodontitis, often, and in this case, the specialist responbile channels and prescribe treatment and rinsing. Channels should be opened, until the pain is completely gone. How much can hurt a tooth depends on the degree of inflammation. The same applies to other reasons – need rasprobyvat and re-treat, now efficiently under x-ray control.