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What is root canal treatment in?

Root canal treatment (endodontics) is a procedure in which the damaged or infected pulp of the tooth (the nerve tissue) is removed, the root canals are carefully cleaned and disinfected, and they are then sealed with a special material (gutta-percha). This lets you keep a natural tooth that would otherwise have to be extracted.

At Miško Clinic we work with rotary nickel-titanium instruments, which are far more efficient and precise than older hand systems. For complex cases or retreatment we use a dental microscope that lets us see even thin, extra or calcified canals. All treatment is carried out under rubber dam, isolating the tooth from saliva and bacteria.

After successful root canal treatment a tooth often becomes more brittle, so we recommend protecting it with a crown. This ensures that the saved tooth lasts not just a few years but many.

Endodontics at our clinic is usually carried out by Dr Rasa Smilgevičienė, who has focused on this field since graduating from Vilnius University.

When is it needed?

  • Severe, throbbing toothache: especially at night or triggered by hot food.
  • Lingering sensitivity to cold or heat: when the discomfort lasts more than a few seconds after the trigger.
  • A swollen gum or abscess: a visible lump or redness of the gum next to the tooth.
  • Deep decay: the decay has reached the nerve and an ordinary filling will no longer be enough.
  • Tooth trauma: the nerve is damaged by a blow, the tooth darkens or starts to become loose.
  • Recurrent infection: a previously treated tooth starts to ache again or an abscess appears at the root tip.
  • Preparing for a restoration: when a tooth is to be crowned and the pulp is damaged.

How the procedure works

  1. 1

    Examination and X-ray

    We assess the tooth, take a dental X-ray and, in complex cases, a 3D CBCT scan to see the canal anatomy.

  2. 2

    Local anaesthetic

    The tooth and surrounding area are numbed so you feel no pain during the procedure.

  3. 3

    Isolation with a rubber dam

    The tooth is isolated from saliva and bacteria with a rubber sheet. This is the foundation of sterility.

  4. 4

    Removing the pulp and cleaning the canals

    With rotary NiTi instruments we carefully clean and shape the root canals, flushing them with antiseptic solutions.

  5. 5

    Interim treatment (if needed)

    If there is infection, calcium hydroxide is placed in the canals and the tooth is sealed temporarily for 1 to 2 weeks.

  6. 6

    Final sealing of the canals

    The cleaned canals are tightly filled with gutta-percha and sealer, and a control X-ray is taken.

  7. 7

    Restoring the tooth

    The crown part is filled, and if the tooth is badly damaged we plan a crown or a post and core.

Types of root canal treatment compared

TypeWhen it is neededComplexityPriceDuration
Primary treatmentThe tooth is treated for the first time, the canals are cleanMedium60-80 € per canal1-2 visits
Retreatment (endo retreatment)A previously treated tooth aches again, infection remainsHigh, old materials must be removedfrom 140 € per canal2-3 visits
Treatment under the microscopeCalcified canals, extra canals, fractured instrumentsHighest100 € per hour extraSeveral visits, longer work

Root Canal Treatment in cost

  • Primary chemo-mechanical preparation (cleaning) of a root canalper canal60-80 €
  • Root sealing with gutta-perchaper canal60-80 €
  • Root canal cleaning during retreatmentper canalfrom 140 €
  • Calcium hydroxide treatment (one canal)30 €
  • Treatment under the microscopeper hour100 €
  • Dental X-ray10 €

You can find the full price list here. We confirm the exact price after an examination.

Aftercare following root canal treatment

After root canal treatment the tooth may be more sensitive to pressure for a few days, especially when chewing. This is a normal tissue reaction that gradually passes within 3 to 7 days. Ordinary ibuprofen or paracetamol-based medicines are suitable for pain relief.

  • For the first 24 hours avoid chewing on the treated side, especially hard food.
  • If the tooth is only sealed temporarily, protect it so the filling does not fall out. If it does, contact the clinic.
  • Continue your daily oral hygiene, using floss carefully.
  • If you feel a worsening throbbing pain, swelling or fever, get in touch without delay.

After the final sealing it is important to protect the tooth from fracture. In most cases we recommend fitting a crown, especially on the back teeth. Regular check-ups every 6 months help us monitor how the canals are healing: we usually take a control X-ray 6 to 12 months after treatment.

Why choose Miško Dental Clinic for root canal treatment

  • Specialisation in endodontics: Dr Rasa Smilgevičienė has purposefully focused on root canal treatment since graduating from Vilnius University.
  • Rotary NiTi instruments: more efficient, higher-quality canal shaping than hand technique.
  • Dental microscope: in complex cases we can see extra, calcified canals or fractured instruments.
  • Work under rubber dam: isolation from saliva and bacteria, which directly determines the success of treatment.
  • Teamwork: after endodontics we plan the tooth's restoration together with Dr Lauras Smilgevičius so the result lasts for years.

Dentist Rasa Smilgevičienė on root canal treatment (endodontics):

Root canal treatment is, I think, one of the most difficult areas of dentistry. And there are plenty of challenges here.

For example, a patient often comes in with an aching tooth, having not slept for several nights, exhausted, full of painkillers, hurting so much that their head feels ready to split. Or the opposite: the person feels nothing, everything is fine for them, but the X-ray shows an abscess quietly dozing away. It needs treating, but the person does not want it, after all it does not hurt. Ah, all I can do is sigh.

It is at least good that these days we already have the means to help a patient effectively, but the treatment is expensive, takes a long time and needs more than one visit.

In canal treatment thoroughness matters enormously; you cannot rush it, the work must be done to within a fraction of a millimetre. Sometimes it feels as if you scrape and scrape at those canals, simply praying as you lean over the little tooth, yet there is no end in sight. Especially when endodontic retreatment is needed. The things we find in those canals.

Our colleagues in the past did not have the possibilities we have today, so very often we have to retreat teeth that were treated long ago, in order to save them from extraction. But sadly it does not always work; there are many reasons, and I will not go into them.

That is why in many European countries a practice is already taking shape: 'oh, why bother, out it comes, in goes an implant and hurrah.' But in my opinion this is not the most correct path; no implant will replace your own tooth root. So whenever there is a chance to save a tooth, I invite you to choose the harder road.

I was delighted when we acquired rotary instruments for cleaning canals. Life in the world of endodontics brightened a little, the work became far more efficient, quicker and even better in quality. Yes, perhaps the price does not look cheering to the patient, but it is justified: the instruments are expensive, you use the fine files a few times and throw them away. But I could no longer work the way I did at the beginning, ten years ago.

In the clinic we try to work as a team. And ever since graduating from Vilnius University I have purposefully gone deeper into endodontics, attended courses, kept improving and chased after all sorts of news, so root canal treatment often rests on my shoulders.

Dentist Rasa Smilgevičienė

Root Canal Treatment in: frequently asked questions

How much does root canal treatment cost?
Every patient's situation is unique, so we set the exact price after an examination. Guide prices: primary canal preparation 60-80 € per canal, sealing with gutta-percha 60-80 € per canal, retreatment from 140 € per canal, treatment under the microscope an extra 100 € per hour. You can find all prices in the price list.
What is root canal treatment (endodontics)?
It is a procedure in which the infected or damaged pulp of the tooth (the nerve tissue) is removed, and the root canals are cleaned and filled in order to save the tooth. At our clinic endodontics is usually carried out by Dr Rasa Smilgevičienė.
When is root canal treatment needed?
When a tooth hurts, is sensitive to heat or cold, is swollen, or shows signs of infection. Also after deep decay or trauma. The dentist will tell you more about the indications after a consultation.
Is endodontics painful?
It is carried out under local anaesthetic, so any pain is minimal. After the procedure there may be some sensitivity to pressure for a few days, which passes quickly.
How long does root canal treatment take?
Usually 1 to 2 visits, depending on the condition of the tooth and the complexity of the canals. Retreatment cases may need 2 to 3 visits. One visit lasts 60 to 90 minutes.
Will the tooth be weaker after treatment?
After root canal treatment the tooth becomes more brittle, as it loses its blood supply. That is why we often recommend restoring it with a crown, to ensure longevity and protection against fracture.
How long does a treated tooth last?
A properly cared-for tooth, protected with a crown where needed, can last for decades. The success rate of well-performed endodontic treatment reaches 85 to 95 percent.
Can root canal treatment be avoided?
Regular oral hygiene, check-ups and timely treatment of decay help to avoid pulp inflammation and the need for root canal treatment.
Can a tooth be retreated if it was treated before?
Yes, this is called retreatment (endo retreatment). The procedure is more complex, as the old filling materials must first be removed. In complex cases we use a microscope to see the cause of the problem.
How does treatment under the microscope differ from ordinary treatment?
The microscope lets us see the inside of the tooth magnified up to 25 times: extra canals, cracks, fractured instruments, calcifications. This greatly increases the success of retreatment and complex cases. We charge for microscope work by time, 100 € per hour.
Can root canal treatment cause complications for the whole body?
Modern, well-performed endodontic treatment is safe. The myth that 'dead' teeth cause systemic illness is not supported by science. A poorly treated tooth with remaining infection really can cause problems, which is exactly why we use specialists who work with a rubber dam and proper instruments.
Can root canals be treated during pregnancy?
Yes, especially if the tooth hurts or there is an acute infection: that matters more than delaying. The safest time is the second trimester. We use anaesthetics safe in pregnancy, take X-rays only when necessary and with abdominal protection. Always tell us about your pregnancy when booking.

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