Common "Root Canal Treatment" queries answered by top doctors | iCliniq

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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I had antibiotics as well as root canal therapy. Later on, I developed an abscess. Should I stop taking my antibiotics and contact my physician?

Query: Hello doctor, I had the first stage of a root canal performed two weeks ago. The pain did not subside, and the side of my face swelled. I went back to the dentist last week, however, and was given antibiotics. Now I am on the last set of antibiotics with no relief. I still cannot open my mouth past ...  Read Full »

Dr. Naveen Thomas

Answer: Hello, Welcome I read your query and can understand your concern. Why is there such a delay in making the next appointment? The root canal treatment could have been finished in three days or within a week. Unless the roots are properly cleaned and disinfected, this swelling and pai...  Read Full »

I have a hot and cold sensation in the tooth that is already filled. Why?

Query: Hello doctor, I am currently following an orthodontic treatment. Recently, I started to have sensitivity to hot and cold food items on a tooth that had an old filling on it. The filling was made when I was 12 years old. I never had any problem with this tooth before. The dentist suggested that the f...  Read Full »

Dr. Purva Jingar

Answer: Hello, Welcome to I went through the images (the attachments remove dto protect the patient's identity). Yes, you need a root canal. It seems your tooth has a deeper cavity. Also, get your teeth cleaned as orthodontic treatment binds teeth and food lodgement occurs there. Just ask the...  Read Full »

I underwent a root canal and apical surgery, but the pain persists in the cheek along with a headache. What could be causing this?

Query: Hello doctor,I have undergone both a root canal and apical surgery, but the pain persists. Neither the original clinic nor a second-opinion root canal specialist can find any problem with the X-ray or the tooth. The pain is mainly located between the back molar and the affected tooth, and the area i...  Read Full »

Dr. Naveen Thomas

Answer: Hello,Welcome to, after repeating the root canal treatment, the pain and sensitivity persist, it might be related to the last tooth behind the treated tooth. You may have deep gingival pockets between these two teeth, causing sensitivity due to food particles touching the root of the ...  Read Full »

Why do I have a toothache after a sinus operation?

Query: Hello doctor, I had a sinus operation last week but have developed a pain in a tooth that needs a root canal treatment. It is extremely painful. Is there anything that can be done?  Read Full »

Dr. Tooba Qazi

Answer: Hi, Welcome to Get an appointment as soon as possible and take painkiller tablet Brufen (Ibuprofen) 400 mg six hourly if you are having really severe pain, otherwise eight hourly like three times a day for three days. Do not lay down straight at bed at night. It aggravates the pain. P...  Read Full »

Can using calcium hydroxide during RCT cause me pain?

Query: Hello doctor, I had a crown in one of my teeth on the lower left bottom. The crown came off. I went to the dentist who suggested root canal even when I did not have any problem. The root canal was completed and the crown was placed. After a few days, my teeth used to pain only on consuming hot wate...  Read Full »

Dr. Muzaffer Hussain Parray

Answer: Hi, Welcome to I had gone through your question I can understand your concern. The pain may be because of post RCT infection or because of the accessory canal in the root that becomes sometimes difficult to manage. In case it in infection you need to take antibiotics and that will he...  Read Full »

I have pain in my upper tooth and a pus-filled boil on the gums. Please help.

Query: Hi doctor, I have a long-standing tooth infection in one of my upper teeth. I have attached an image of my X-ray taken last summer. I do not feel pain in the tooth itself, but a pus-filled boil appears whenever I touch the surrounding gum area, or when I shave, or use an interdental brush. However,...  Read Full »

Dr. Purva Jingar

Answer: Hi, I appreciate you signing up on You now have exclusive access to expert medical opinion. I have reviewed your X-rays (attachments removed to protect the patient's privacy). They reveal a black area below the root of the tooth, which causes the infection and pus. I suggest you vis...  Read Full »

I had a sharp pain in my root canal treated molar. Why?

Query: Hello doctor, I am a 53-year-old male. I have an irregular bite where contact occurs primarily on the back teeth. The last two molars on both sides have gold crowns. I also wear a mouthguard. About a week ago, I started having pain in the left last lower molar. When I went to the dentist, an X-ray s...  Read Full »

Dr. Achanta Krishna Swaroop

Answer: Hello, Welcome to Thank you for your query. I understand your concern. I would like first to tell you irrespective of the pain, you should not have taken so many tablets of Advil and Tylenol all at once in a day as only painkillers can worsen the infection instead of solving it. Pain...  Read Full »

I am allergic to metals and need to do an RCT. Please help.

Query: Hi doctor,I had a dislodged filling from my tooth at the beginning of the year, but it did not hurt. When I went to the dentist, they said the tooth was infected and I would need a root canal treatment and a crown placement. This is the second time the filling fell out from the same tooth. Both fill...  Read Full »

Dr. Purva Jingar

Answer: Hello, Welcome to Yes, there is metal in ceramic crowns. Please choose zirconia. Try to find a way to pay half with insurance coverage and half with cash if it is a procedure accepted in your country. Zirconia is better, so go for it. You can research on the internet to find the ratio...  Read Full »

Pain due to an incomplete dental procedure. How to overcome this?

Query: Hi doctor, I want to get advice on a dental visit I made last month. It has turned into a mess. I walked into a dental office to go through the process of getting a bridge. It has been three weeks, and I am in a lot of pain after the dentist shaved my tooth enamel, exposing the nerve. I have been t...  Read Full »

Dr. Achanta Krishna Swaroop

Answer: Hi, Welcome to I will be answering the query shortly. Kindly check your follow-up messages for a complete treatment strategy. Thanks and regards.  Read Full »

My root canal treated molar got fractured. Please help.

Query: Hi doctor, I am a 33-year-old woman with quite healthy teeth in general. I still have all my natural teeth, including wisdom teeth. Last week my lower molar broke down, and I had a root canal done on that tooth four years ago. My dentist prepared it for a new crown last Wednesday but did not fit a ...  Read Full »

Dr. Soheel Hussain Zargar

Answer: Hi, Welcome to I understand your concern. The dentist should have done temporization under such conditions. It is his fault for not doing so. Yes, a crown can supra erupt, creating a problem in the fitting. Two or three weeks is a long time, and a crown can break. I advise you to wait ...  Read Full »

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