Root canal treatment (RCT), also known as endodontic treatment, is a dental procedure that treats the inflamed nerve of the tooth. Endodontics is a dental field that specializes in the tooth pulp and tissues enclosing the tooth root. An issue with the root canal can be dealt with by a dentist or an endodontist. An endodontist is basically a dentist who has had many years of specialty training after school with the sole focus of root canal treatments.

root canal treatment

Sydney Dental offers root canal treatment to help patients improve their oral wellness. Similar to other procedures at our facility, the treatment is done with absolute care and expertise. If you are still vague about what the procedure is like and if it is something that you are in need of at the moment, let us guide you through the treatment with this article.

Welding and Filling

1. What is root canal treatment?

First, let’s talk a little bit about tooth anatomy. A tooth consists of:

  • A tooth crown on top;
  • A tooth root that lies underneath the gums to hold the tooth in place with the jaw bone. 
    • The root canal is an empty room inside the tooth carrying the tooth pulp that includes nerves, blood vessels, and several other cells;
    • The pulp supplies nutrition for the tooth and moisture for the tooth and gums. The nerves inside the pulp play as a temperature and pain sensor;
    • Without these nerves, the tooth’s normal functions remain unaffected.

A root canal treatment is a procedure performed to treat and save a tooth that is seriously decayed or infected. The nerve and pulp of a tooth can get irritated, inflamed, and infected due to:

  • severe decay;
  • repeated dental procedures on a particular tooth; 
  • large dental fillings, a breakage, or chip in the tooth;
  • trauma to the mouth and face.

In the procedure, the nerve and pulp of the tooth are eliminated and the root canal is cleaned out and sealed shut. Without treatment, the tissue around the tooth will become infected and an abscess may start to grow.

2. Who needs this treatment?

When the pulp gets damaged or diseased, this cannot resolve on its own, leading to dead tooth tissue. When there is a severe cavity, a broken tooth, or a loose dental filling, it is possible for bacteria to get into the tooth pulp. As bacteria enter, they will destroy the pulp little by little. 

When the bacteria get in through the tooth root openings, it can result in an infection in the bone. An infection will undermine the bone and break it down. Next thing is ligaments surrounding the tooth get swollen and the tooth itself turns loose. Such a pulp injury will cause tooth sensitivity to high and low temperatures, accompanied with pain when chewing. Some patients even develop a consistent, throbbing pain.

If left untreated, the infection will begin to spread. As a result, the tooth will become loose and need to be taken off. At this point, some individuals choose an extraction, especially if it is too painful or when the tooth is non-restorable, such as when there is wide-spread decay, serious  trauma, or loss of bone due to a periodontal condition.

However, extracting a tooth may mean that the adjacent teeth start to shift and crack. This can adversely affect the looks of your smile and also make it hard to have a good bite.

root canal treatment

3. Why is it done?

Root canal treatment is carried out to treat damaged teeth as a result of tooth decay or severe infection. When the pulp or nerves are damaged, bacteria will grow in the root canal and destroy the tooth structure. 

If you don’t receive timely root canal treatment, the tissues enclosing the tooth will become severely infected and may lead to abscesses.

4. Why do you need to have tooth pulp taken out?

When a tooth’s nerve or pulp is diseased, it starts to break down and bacteria begin to grow inside the root canal. The bacteria and the decayed debris can lead to an infection or abscesses in the tooth. An abscess is a pus that starts at the end of the tooth root. An abscess forms as the infection spreads across the root ends of the tooth. An infection in the tooth root chamber may also cause:

  • Swelling spreading to other areas like the face, neck, or head;
  • Bone loss at the root end;
  • Drainage issues with the root. A hole can form at the side of the tooth with drainage into the gums or through the cheek with drainage into your skin.

5. What are signs that prompt you to receive a root canal treatment?

If you are experiencing the following symptoms, you may consider getting root canal treatment:

  • Lingering sensitive teeth, especially to high and low temperatures;
  • Sharp pain with chewing or biting on foods;
  • Pimples along the gum lines;
  • Chips and cracks in your teeth;
  • Swelling and pain in the gums;
  • Deeply decayed or blackish gums.

root canal treatment

6. How is the procedure done?

A root canal can be carried out by a dentist or endodontist. Generally speaking, an endodontist is a dentist whose specialty focuses on the causes, diagnosis, treatment, and prevention of damages and conditions to the tooth pulp and the nerve. Your general dentist may refer you to an endodontist if your particular case is complicated and more difficult to deal with than normal.

A root canal usually includes 3 steps which may take you at least several days depending on the tooth’s conditions.

6.1 Clean the root canal

First off, the dentist will take an X-ray of the tooth to have a closer look at the structure of the root canal and decide if there is any infection in an adjacent bone. They will apply local anesthesia to numb the area around the tooth. As the nerve is already dead, anesthesia is not a necessity, however, most dentists still numb the area to give you extra comfort and ease of mind. To keep the area dry and prevent entry of saliva during the course of the procedure, the dentist will place a rubber sheet around the area. After the application of the numbing medication and the rubber dam, the dentist will drill a small access hole on the tooth surface using specialized tools for the purpose of removing damaged or dead pulp tissues and then clean out the root canal.

6.2 Fill the entire root canal 

The tooth is considered dead following treatment. You will  not feel a thing in the tooth whose pulp has been removed as the nerves and infection are far gone.

The pulp, bacteria, and decayed nerve tissue are removed from the tooth using specialized dental tools. The root is then cleaned and sterilized using a range of root canal files. They are placed into the generated hole and go down the tooth to full length to scrape and scrub every corner of the root chamber. As the work is done, water or sodium hypochlorite will be sprayed in the area to flush away any remaining particles.

After the tooth is completely cleaned, it is then sealed shut using a dental adhesive cement. Some dentists would wait 7 days before conducting the seal. For example, if there is an infection, your dentist may put medication into the tooth to clear it up. Others may opt to close the tooth up the same day it is cleaned. If the sealing isn’t done on the same day, a temporary filling is placed in the outside hole of the tooth to prevent saliva  and food from entering until the next appointment.

At the next visit, a seal paste and rubber compound are used to fill the emptied root chamber of the tooth. This is the filling to close the hole made at the beginning of treatment.

6.3 Perform a dental crown or dental filling

This final step involves additional restoration of the tooth. A tooth that requires a root canal treatment usually has a large filling or deep decay or other weaknesses. Moreover, a tooth whose pulp has been removed will be more vulnerable as it now receives nutrition only from the periodontal ligament. Additionally, the tooth will get more brittle over time, and thus, a crown, filling, another restorative method is needed to provide more protection and prevent it from breaking. The dentist will have a discussion about the need for any further dental work with you.

Therefore, avoid chewing or biting with the affected tooth until it is successfully crowned or filled. You can get back to your normal diet once the tooth has been fully restored.

6.4 Is root canal treatment painful?

One of the greatest fears among patients about this type of dental treatment is that it will cause pain. However, you can rest assured that a canal treatment that is done by a qualified dental specialist should be almost pain-free.

The potential pain that is felt may come from the existing infection and diseases rather than from the treatment itself. The treatment does not cause pain but it in fact helps to reduce it.

The dental provider will ease the pain that you may experience during the treatment by locally anesthetizing the tooth and affected area.

After the treatment, it is normal to experience a little tenderness. This is temporary, and over-the-counter (OTC) pain medication may be enough to relieve it. If needed, prescription drugs, such as codeine, are available. The dentist may also prescribe you an antibiotic to further treat or prevent infection.


có nên dán sứ veneer không

7. Managing root canal pain at home

Non-prescription or prescription pain medications should be enough to manage the pain after a root canal treatment. As you use the pain relievers, make sure to strictly follow the dentist’s recommendations and contact them if the medication is not effective. You can get ibuprofen for an easy, quick fix and it is available online.

It is important to avoid chewing or biting down on the affected tooth until the final restoration has been completed. The temporary filling is delicate and may break as a result. Also, practicing good oral hygiene with regular brushing and flossing should continue. A range of toothbrushes, toothpaste, and dental floss is available for purchase online.

8. How much does the treatment cost?

The cost of dental procedures vary greatly, depending on many factors. However, saving a tooth with a root canal is quite cost-efficient and worth the money.

The other choice you can consider is dental extraction. However, an implant or bridge needed to substitute the tooth after that is usually more costly. Extraction can also result in dental misalignment and trouble chewing.

9. Root canal fun facts

Here are some interesting facts about this dental treatment:

  • It is basically removing the nerves inside the tooth pulp;
  • It is usually pretty painful but is in fact a tooth pain treatment;
  • It is also known as intrinsic dentistry;
  • The cost varies but is lower than that of tooth implants, dental crowns, and dental bridges.

10. The recovery of root canal

After the procedure, your mouth will feel numb for several hours. The majority of patients can return to work, school, or other activities right after treatment. Nevertheless, you may want to wait until the numbness has worn off before eating.

For the first few days following the completion of a root canal, the tooth may feel sensitive due to tissue inflammation, especially if there was pain or infection before the procedure. This usually can be eased with OTC painkillers such as ibuprofen (Advil, Motrin) or naproxen (Aleve).

Until your root canal procedure is completely finished with a permanent filling or crown in place, try to avoid chewing with the tooth. This helps keep the area clean and may prevent a vulnerable tooth from chipping before it is entirely restored.

Brush and floss your teeth as well as use an antiseptic mouthwash as usual and see your dentist as normally scheduled.

11. The success rate

The success rate of this treatment is high, typically more than 95%. Many people who have received the treatment lead a normal life without any trouble.

As the final step of the root canal treatment is attaching a dental crown or restorative dental filling, no one will ever know that your tooth pulp has been taken out.

điều trị tủy răng

12. The aftercare

Your tooth may become more sensitive for a couple of days post-procedure due to inflammation of the natural tissue, especially when you have had infection beforehand. This discomfort can be handled with OTC pain-killers like ibuprofen or naproxen.

Also avoid chewing with the side of the treated tooth after a root canal to avoid the recurrence of infection and breakage of the tooth before the recovery is complete.

Still a little vague and want to know more about this treatment in greater detail? Give us Sydney Dental a call at (028) 3504 9440 or drop by for a no-obligation free consultation at 499-501 Ba Hat St., Ward 8, Dist. 10, HCMC. We have been waiting for you!

13. Alternative options to a root canal treatment

The most ideal option is saving your original teeth if possible. Keeping your natural teeth allows you to eat a wide range of foods for sufficient nutrition. A root canal procedure can be the savior of your original teeth.

The only alternative to a root canal is tooth extraction and replacement using a bridge, implant, or detachable denture. These alternatives are more expensive than a root canal procedure and need more treatment time.

14. How to prevent inflammation in the tooth pulp?

Since some of the reasons the nerve of a tooth and its pulp become inflamed and infected are due to deep decay, repeated dental procedures or large fillings, there are steps you can take to help you avoid resorting to a root canal:

  • Brush teeth at least twice daily;
  • Floss at least once every day;
  • Wear a mouthguard when playing sports to prevent trauma and injuries;
  • See your dental provider periodically.

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15. A word from Sydney Dental

Hopefully after this one read you will have a clear idea of what a root canal treatment is and what the options we have available for you as well as their advantages and disadvantages. If you are still unsure of which treatment to go with for a new unforgettably stunning smile in your particular case, do not hesitate to reach out to us. We are at 499-501 Ba Hat St, Ward 8, District 10, HCMC looking forward to your visit. You may also call us at (028) 3504 9440 for a free no-obligation comprehensive consultation. Your pretty, shiny smile is 100% guaranteed at Sydney Dental!

About us


About Sydney Dental

Sydney Dental Center was established by Master-Dr. Nguyen Ngoc Hai, who has spent more than 25 years accompanying and bringing more than 10,000 smiles to customers from all over the country. With the motto “Being a true carpenter never closes the back of a cabinet with trash wood, even though no one knows” – (Steve Jobs), Sydney Dental Center takes care with sincerity in every service even the smallest.

The history

Sydney Dental Center was established in 1996 with the forerunner of the dental clinic of Dr. Nguyen Ngoc Hai at 499-501 Ba Hat, Ward 8, District 10. After a period of operation with constant efforts. With a team of doctors and dental equipment from famous brands in the world, combined with the meticulousness from all services, Sydney Dental Center has won the hearts of many customers.

By the end of 2020, Sydney Dental Center officially opens 1 more facility located at Vinhome golden river Villas, No. 2 Nguyen Huu Canh, Ben Nghe Ward, District 1 with the desire to bring high quality dental services. to all customers. Besides developing a chain of clinics in Ho Chi Minh City, Sydney Dental Center also cooperates in development in Hanoi. With the brand name Navii Dental Care, located at 36 Hoa Ma, Hai Ba Trung, Hanoi and 42 Cua Dong, Hoan Kiem, Hanoi. Besides, Sydney Dental System has a plan to develop on a national scale with the leading dental chain system in the country.

Meet our team

Dr. Nguyen Ngoc Hai

Sydney Dental was established in 1996 by Dr. Nguyen Ngoc Hai. With the motto “When you’re a carpenter making a beautiful chest of drawers, you’re not going to use a piece of plywood on the back, even though it faces the wall and nobody will ever see it” – Steve Jobs, Sydney Dental strives to offer every single service with absolute care and sincerity and has captured the hearts of numerous customers.

Dr. Nguyen Ngoc Hai is a specialist in implants and cosmetic veneers, especially Laminate veneers. He has spent more than 25 years accompanying customers from all over the country, bringing them more than 10.000 bright smiles.

Dr. Nguyen Ngoc Hai’s qualifications:

  • Graduated with a Master of Dentistry from the University of Sydney, Australia;
  • Graduated from the Master Implant program at Loma Linda University and giDEEducation Institute, Los Angeles, America;
  • Certificate in Implant Expertise from Harvard University, Boston.

Currently, Dr. Nguyen Ngoc Hai is also a member of ITI Implant Society (International Team Implantology) in Switzerland, a member of DentalXP Implant Association in the USA, a member of giDE Education Implant Association in the USA, and a member of WAUPS Implant Society in Korea.

Dr. Le Thi Thai Hoa

Dr. Le Thi Thai Hoa graduated with high distinction from the University of Medicine and Pharmacy at Ho Chi Minh City with a bachelor’s degree in surgical dentistry. She attended a long-term abroad program in France after graduation. Dr. Hoa is one of the leading specialists in implant dentistry in Vietnam.

Dr. Nguyen Thao Nguyen

  • Graduated from the department of Odonto-Stomatology at the University of Medicine and Pharmacy at Ho Chi Minh City
  • BIOMEDE certification
  • Invisalign provider
  • Orthodontic mini Residency in Clear Aligner Technique certification.
  • Oral & maxillofacial specialist
  • Senior implant specialist
  • Around 15 years of experience

Dr. Ngo Cong Uan

  • Graduated from the department of Odonto-Stomatology at the University of Medicine and Pharmacy at Ho Chi Minh City
  • Specialist in Aesthetic Restoration & Minor Surgery
  • Nearly 20 years of experience

Our core values


At Sydney Dental, you are the center of our universe! We put you, yes you, first by being all ears to your concerns and needs to craft personalized services that are of the best quality for you and you only.


We explain to every detail from the get-go what we can do for you, how the treatments are done, the pros and cons, the cost… you name it. Everything is consistent and crystal clear and nothing to worry about once you place your trust in us!

After-sales care 

Treatment done? We’re not done! We still tend to you here at Sydney Dental with follow-ups and guarantees that are well-fitting to your schedule and wants. We care about you to the moon and back and. you. will. know

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