• Anterior root canal

  • Posterior / Molar root canal

  • Painless RCT

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FAQs

Introduction

 

All human beings are provided with different types of teeth and each type of these teeth is meant to perform a specific function or job. The types of teeth and also their functions are briefly given below.

  • Incisors — these are sharp, chisel-shaped front teeth used for cutting food.
  • Canines — are pointed teeth used for tearing food.
  • Premolars — have two pointed cusps on their biting surface and are used for crushing and tearing.
  • Molars — are used for grinding food.

In general, teeth are useful for chewing, biting, tearing and ripping food items. In addition they give a good cosmetic look and are also necessary for speaking clearly.

Losing any of the teeth will cause reduction in the functions mentioned above and it is essential that tooth are kept intact as far as possible. One of the methods of saving teeth is Root Canal Treatment.

What is root canal treatment?

 

A human tooth can broadly be divided into two parts i.e. crown and root. The crown consists of – enamel, dentin and pulp chamber; on the other hand the root section of the tooth consists of – root canal containing pulp tissue, bone, supporting ligament, root end opening etc. The soft pulp under the hard dentin layer contains blood vessels and nerves. If the tooth is fully matured, it will survive without the pulp because of the nourishment given by the surrounding tissues.

The root canal treatment is a dental procedure wherein the tooth can be fixed by removing the pulp chamber of the tooth and filling it with an apt filler material. This is normally done when the tooth can neither be filled nor restored by any other means and this is due to the fact that the decay has reached the tooth nerve or the tooth has become infected.

You can prevent extraction of the tooth by performing the root canal treatment on the tooth whose nerve has been killed or severely decayed or damaged and this is the final attempt to save the tooth prior to extraction. If the RCT is successful, all the germs in the root area would have been removed and this tooth can last for a very long time.

The root canal treatment is known by various names – RCT, endodontic treatment, Root canal or Root canal therapy. The origin of the word endodontic is from two Greek words “Endo” – meaning inside – and “odont” meaning tooth”. This treatment is basically meant for treating the inside of the tooth.

What is the necessity for root canal treatment?

 

The root canal treatment becomes essential if the pulp tissue inside the root canal gets inflamed or infected thereby affecting the blood / nerve supply to the pulp. This can be due to various reasons such as deep decay, crack or chip in the tooth and also if dental procedures on the tooth are repeated often. If there is injury to the tooth it could cause damage to the pulp in spite of not having any visible cracks. An untreated pulp inflammation or infection might lead to pain or abscess. You may not feel any pain in the early stages of the infection. In some cases, your tooth could become dark thereby indicating that the tooth nerve is dead

If the pulp becomes infected, the infection spreads through the root canal system of the tooth thereby causing abscess formation. The abscess might cause dull ache to severe pain and you will observe that the tooth shows tenderness while biting. In the absence of a root canal treatment (RCT) the infection will spread resulting in tooth loss.

What does it involve in saving the tooth?

 

The objective of this treatment is to remove all infection from the root canal. The Endodontist removes the infected or inflamed pulp, cleans it thoroughly inside and fills up the space with approved filler material to prevent any further infection. The dentist will place a crown or any other restoration on the tooth to protect it. RCT is a skilled and time-consuming procedure and requires two or more visits to your dentist.

What are the steps involved in RCT?

 

The steps involved are as follows:

  • After examining physically the tooth and also its x-rays the dentist/ endodontist administers local anesthetic. Once the tooth becomes numb, the dentist places a small protective sheet called a “dental dam” over the area in order to isolate the tooth; this will ensure that the tooth is clean and free from saliva during the treatment.
  • An opening is made in the tooth crown and using mini instruments the pulp chamber and root canal are cleaned and shaped to suit filling.
  • To protect the tooth the dentist will provide a crown or other restoration after which the tooth becomes fully functional.
  • If the tooth structure is unable to hold the restoration in position, your dentist might recommend a post and core inside the tooth.

What are the signs that necessitate Root Canal Treatment?

 
  • Drainage, swelling and tenderness in the lymph nodes, bone and gingival tissues.
  • Extended sensitivity to heat or cold
  • Pain
  • Tenderness to chewing and touch
  • Tooth discoloration
  • No visible symptoms at times

Is Root canal treatment painful?

 

The purpose of root canal treatment is to relieve the tooth pain caused by pulp infection or inflammation. During the procedure a local anesthetic is given and the patient seldom feels any pain. Your tooth becomes sensitive for the first few days after treatment, that too if there was pain or infection before the procedure. This can be relieved with OTC or prescription medications. After the treatment your treated teeth might feel different for sometime.

How will the tooth look like post treatment?

 

In the earlier days a root canal treated tooth often becomes dark. However, modern techniques prevent such an occurrence. Even if the discoloration happens it can be brought to natural color by using various techniques.

Is there any possibility of this problem repeating again?

 

Normally RCT is successful in most of the cases. However, in the event of this problem coming back the same treatment can be repeated. New infection or inflammation can be caused by new trauma, deep decay, or a loose/ cracked/ broken filling, which can cause new infection in your tooth. In some cases, the endodontist may find canals that are narrow or curved that was not found during the initial procedure and this requires retreatment.

Is it absolutely necessary to get a Root canal treatment?

 

Infection or inflammation destroys the pulp in the pulp chamber and hence it won’t heal. It is not desirable to leave the infected tooth inside the mouth. Pain and swelling can occur if the infected pulp is not removed and the byproducts of the infection could injure your jaw bones. If you do not get RCT done then the alternative is to extract your tooth. It is always advisable to retain your natural teeth as long as possible.

What care should you take after root canal treatment?

 

The tooth treated by RCT requires the same care as your natural tooth. However, this tooth should not be used for chewing or biting until unless it is restored by your dentist; this is due to the fact that this tooth is susceptible to fracture. In addition you must practice good oral hygiene that includes brushing with fluoride paste, flossing, cleanings etc. Avoid sugary snacks as much as possible.

Are there any constraints with RCT?

 

Normally most of the teeth can be treated; however there could be certain occasions wherein it is not possible for doing RCT; for example, inaccessibility of root canals, severely fractured tooth, inadequate bone support etc. With advancement in endodontics such incidences are becoming rare. If the RCT is ineffective endodontic surgery could help in saving the teeth.

How safe is Root canal treatment?

 

In the US, 20 million root canals are being performed in a year and it is increasing day by day. By subjecting a patient to root canal treatment you are allowing a dead tooth to be kept in his mouth. The body normally does not like anything dead to be kept inside it and tries its best to get rid of it.

Saving tooth by RCT is a matter of dental convenience and it has been found to be relatively safe in most of the cases.

What are the common risk factors in Root Canal Treatment?

 
  • Tooth discoloration – the removal of the nerve in root canal treatment could cause the tooth to become black and this can be bleached or covered by a crown to give a cosmetic appearance.
  • Tooth Growth – in children and teenagers will stop once the nerve and pulp are removed and hence it is necessary that the RCT must be avoided in children and teenagers.
  • Tooth fracture – is likely to occur in the tooth with Root Canal Treatment and to avoid this crowns are fitted on the tooth with root canal treatment.
  • Saving tooth – is not 100% guaranteed even if the root canal treatment is successful.
  • Infection – possibilities exist and this requires RCT to be redone or tooth to be extracted.
  • Equipment breakage – during RCT will necessitate specialist treatment or leave the equipment inside and fill up the tooth.
  • Tooth feeling different – this occurs when the filling is too high or due to some other problem.

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