Root Canal Treatment

Root canal treatment is done to save a tooth that is severely decayed or infected. In this procedure, nerves and blood vessels present in the pulp of the tooth are removed, and the pulp chamber is filled with a biocompatible material.

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Why do I have persistent pain on the left side of the face?

Query: Hi doctor,I think my sinus infection causes pain in my teeth. The pain is relieved only when I hold an ice cube in the mouth. I have severe pain in the entire left side of the face without the ice. Please help.  Read Full »

Dr. Muzaffer Hussain Parray

Answer: Hi, Welcome to I can understand your concern. As per your history of pain, it is relieved only when you keep cold water or ice in your mouth. It is a typical feature of end-stage reversible pulpitis (inflammation of the pulp). The cold water causes vasoconstriction and reduces blood fl...  Read Full »

How to prevent infection in tooth cavity?

Query: Hello doctor, In my whole life I am known for eating candy and not brushing my teeth as much as I should. Today, I went to the dentist and said that I have nine cavities. This concerns me because I am not sure how long I had the cavities. This is my first time I am visiting a dentist. I read an a...  Read Full »

Dr. Naveen Thomas

Answer: Hi, Welcome to Yes, by getting the tooth filled you can prevent further decay of the teeth. It would prevent any spread of infection. Yes, dental infection can get life-threatening through septicemia (bacteria in blood), which can go through the maxillary sinus to the brain. But,...  Read Full »

What is the treatment for a pus-filled pimple at the site of my flap surgery?

Query: Hello doctor, I am a 35 year old male. I had a root canal treatment done on the lower left side second molar about four to five years back by an endodontist. Two years after the treatment, the ceramic crown came off and was replaced by a metallic crown. Recently, I had a pus pimple under that t...  Read Full »

Dr. Naveen Thomas

Answer: Hello, Welcome to The infection is due to the improperly done root canal of the mesial root of that tooth. Flap surgery was done needlessly. The treatments possible are: Frequently, what the dentist would do after such a problem is to extract that tooth. Go to an Endodontist and reques...  Read Full »

Is re-RCT necessary for treating pain in an RCT-treated tooth?

Query: Hello doctor,I am a 36 year old male. I had a root canal treatment five years back. Since the last two days, I have severe pain in the same tooth. Irrespective of a cold or hot sensation, the pain was constant. My dentist has prescribed Oflox OZ and Meftal forte for five days and advised re-RCT. Pl...  Read Full »

Dr. Naveen Thomas

Answer: Hello, Welcome to I have seen the X-ray (attachment removed to protect patient identity). There is an infection in one of the roots of the tooth, which needs a retreatment. You can see it as a black circle surrounding the apex of the posterior root. There is no option but to undergo re...  Read Full »

Will cold water reduce tooth pain?

Query: Hi doctor, I will not be able to visit the dentist for two weeks. I have a huge hole in my molar, and it hurts so bad; when I drink water, my pain is reduced. I have been taking Ibuprofen for the last two days. The pain is so bad that I do not know how to sleep today. Please help me.  Read Full »

Dr. Krishna Swaroop Achanta

Answer: Hi, Welcome to You have been suffering from an infection of the root canal, which is the reason for your pain. The hole you observe is because of a deep infection of the tooth. Instead of trying to drink more water, I suggest the following to numb the pain: 1) Dentogel (Choline salic...  Read Full »

I have an abscessed tooth with swollen face. Is it serious?

Query: Hello doctor, I have an abscessed tooth and have been on antibiotics for three days. I woke up this morning with an extremely swollen face, should I go to the ER?  Read Full »

Dr. Muzaffer Hussain Parray

Answer: Hi, Welcome to I have gone through your question and I can understand your concern about your toothache and facial swelling. You need IV (intravenous) route antibiotics like Ceftriaxone one gram after allergic test and for that, you must visit either a dentist or an emergency room. Af...  Read Full »

What is the reason for recurrent sensitivity in the root canal-treated tooth?

Query: Hello doctor,Two months ago, I had a root canal done on a lower molar by a general dentist. I have put off getting a crown on it for now to evaluate its healing. Last week, I noticed hot food causes a sensitive feeling coming from that area whereas the week before, I had pain in my jaw area. I am no...  Read Full »

Dr. Naveen Thomas

Answer: Hello, Welcome to I have seen the files and gone through them (attachment removed to protect patient identity). The two mesial roots are not properly filled to the tip but there does not seem to be any infection at the apex. I suggest you wait for a few more weeks. Are the sensitivity ...  Read Full »

What is the lump above my kid's right canine?

Query: Hello doctor, Today, my six-year-old showed us that he has a lump above his right canine. It is about the size of a small pea. It is red but looks yellowish under the skin. It has a tiny bubble on it as well. While looking, it seems that he has a cavity in a nearby tooth (to the rear). He says it d...  Read Full »

Dr. Naveen Thomas

Answer: Hello, Welcome to There is no need for an emergency unless it is painful. You should get him to a dentist as your kid has an abscess due to the cavity of one of his milk teeth. He needs antibiotics for a week and maybe root canal treatment of that tooth so that it can stay there for a...  Read Full »

What is the Treatment for Abscessed Tooth?

Query: Hello doctor,I am a 46-year-old female. I have a problem with my tooth. There is an abscess, and my dentist is always fully booked. Can you help me?  Read Full »

Dr. Muzaffer Hussain Parray

Answer: Hello, Welcome to I have gone through your query. For an abscessed tooth, you have two options. One is endodontic treatment, and the other is the removal of the tooth involved in the abscess formation. Now, the treatment plan depends on the condition of the tooth crown. If the crow...  Read Full »

I have pain after temporary filling during RCT. Is it normal?

Query: Hi doctor, In root canal treatment, even after temporary filling, pain is still present. If something touches the tooth, there is extreme pain. Is it normal or do I need to get the tooth removed?  Read Full »

Dr. Subha

Answer: Hi, Welcome to Root canal treatment involves three main steps namely: Access opening (opening of the root canal). Biomechanical preparation (cleaning and shaping the canal). Obturation (filling the canal). Temporary filling which you mean is just the superficial one. Pain may ...  Read Full »

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