IOPA is the short form for intraoral periapical radiograph. It is a type of intraoral, that is, the x-ray film is placed inside the mouth while taking a radiograph. This type of x-ray shows the entire tooth, along with its surrounding structures.

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Is it mandatory to remove the broken file during RCT?

Query: Hello doctor,Today the dentist has broken a file inside my tooth during root canal treatment. She said she could not remove the broken file, continued the treatment, and tried to bypass the broken file. And she also said that she does not know if I would have complications from this broken file or i...  Read Full »

Dr. Naveen Thomas

Dentist, Endodontist, Pedodontist, Periodontist

Answer: Hello, Welcome to Usually, there will not be many complications if the file is in the canal only and not extending beyond the root apex. In my opinion, ask her to finish RCT (root canal treatment) for the rest of the canals. If any complications arise, see an Endodontist to retrieve...  Read Full »

Is the reddish spot on my molar tooth a cavity?

Query: Hi doctor, I was wondering if my back teeth have a cavity. When I was examining my molars, I came across a strange reddish color on top. I did some research on the internet and read that a cavity will be either brown or black in color. I am very confused. I do not want it to spread and I am asking ...  Read Full »

Dr. Prerna Jain

Dentist, Orthodontist

Answer: Hi, Welcome to You are right. Cavities usually look brown or black in color. But, it may still be a cavity that is stained. It could also be something called as chronic hyperplastic pulpitis, which looks like a red swelling in the middle of the tooth. It is a slow chronic irritation of ...  Read Full »

Why do I have a weird feeling in the apicoectomy site?

Query: Hello doctor, I had an apicoectomy on one of my teeth before few months. Since then, I have a weird feeling around the operation site. None of my teeth hurts, but I always feel this weird sensation around the alveolar mucosa part, like something is on my gum. Sometimes I also feel mild burning fro...  Read Full »

Dr. Bharat Joshi


Answer: Hello, Welcome to Thanks for the pictures (attachment removed to protect patient identity). Yes, in your x-ray, there is small radiolucency in the treated tooth. But the sensation you are talking about is not related to that. If you can observe your tooth, this is angled outside. Du...  Read Full »

What should I do for my chronic toothache?

Query: Hello doctor, I have a chronic toothache problem. I took an x-ray of that tooth. Is there anything wrong with this x-ray? I am currently on Citalopram 40 mg and Doxycycline.  Read Full »

Dr. Bharat Joshi


Answer: Hello, Welcome to I have seen the x-ray. (attachment removed to protect patient identity). Your left central incisor is showing internal resorption. I suggest you to please continue your medications for at least five days and then go for RCT (root canal treatment) for this t...  Read Full »

Does my dental X-ray show any cavity?

Query: Hi doctor, I have got a dental x-ray done today. I got a root canal on the upper second tooth from the canine. Please go through my dental x-ray and inform about cavities if any.  Read Full »

Dr. Prerna Jain

Dentist, Orthodontist

Answer: Hi, Welcome to I would like to tell you that OPG - orthopantomogram x-ray is not the most reliable investigation for diagnosing cavities. The reason is that it is a larger x-ray of the whole oral cavity, which is great for studying the relation between teeth and bones. Unless the cavity...  Read Full »

What causes constant pulsatile tooth pain?

Query: Hi doctor, I have constant pain in my front tooth (11). I have not had any trauma to it as of I aware and I take good care of my teeth. I do not have gum disease. There may be a tiny bit of gum recession due to over brushing. The ache is constant. I do not get any pain from cold or hot food or drink...  Read Full »

Dr. Prerna Jain

Dentist, Orthodontist

Answer: Hi, Welcome to The tooth pain you are experiencing is indicative of pulpitis that is there is inflammation of the living part of your tooth. It may or may not be irreversible. It would be clearer if you could answer a few more questions. When did the pain start? How long has it been? Ho...  Read Full »

What could present as a lump in the gums of upper front teeth?

Query: Hello doctor, I am a 50-year-old male. I am having good health and no medications. About three days ago, I noticed with my tongue a lump, mass on my upper gum right to my front teeth and towards the top of the jaw, gumline. It feels smooth and dome-like. I took a look at it in the mirror and of c...  Read Full »

Dr. Mousam Chattopadhyay

Dentist, Endodontist

Answer: Hello, Welcome to Kindly upload an image of the lump. It can be a cyst or an abscess due to the crown. I need to find out soon. I need your cooperation and faith. Kindly upload the image as soon as convenient as the lump is a serious issue. It is not cancerous or something to be sup...  Read Full »

How to save my molar tooth?

Query: Hi doctor, I am 18 years old. A few days ago, I had a toothache on my molar teeth and have mobility when touched. I have a big hole in that tooth from my childhood. I guess the black circle is the vein of the tooth. I could not afford to get an implant tooth. I had pain in that tooth a year back...  Read Full »

Dr. Prerna Jain

Dentist, Orthodontist

Answer: Hi, Welcome to From your attached pictures (attachment removed to protect patient identity), it is clear that this tooth is decayed with loss of large crown structure. The decay has also spread to the roots.  As you have mentioned, there is some mobility on touching the tooth and some...  Read Full »

My daughter's incisors are yet to erupt though the milk teeth shedded before four months. Why?

Query: Hello doctor, This query is for my daughter who is 6 years and 7 months old. She lost her top primary incisor teeth (universal numbering -9) before four months. She still has not got the permanent teeth until now. She however, has lost the other three incisors and got the permanent teeth. Kind...  Read Full »

Dr. Paras Angrish

Dentist, Pedodontist

Answer: Hello, Welcome to As you mentioned your daughter is 6 years and 7 months old. Please confirm if she has lost all her upper primary teeth or lowers where the permanent teeth have come? Other thing is if all the upper four primary incisors are gone and three have come. Generally, we n...  Read Full »

Is root canal necessary when the dental filling is almost touching the nerves?

Query: Hi doctor, My tooth has been filled and I went to the dentist and he took an x-ray and the filling was to close to to my nerve. He said he will have to do a root canal which I do not want to do. I was thinking of other ways to go around this because my nerve has nothing wrong in it. I do not think ...  Read Full »

Dr. Tooba Qazi


Answer: Hello, Welcome to It all depends on your symptoms. Why did you visit the dentist if the filling was already done? Are you experiencing any pain or discomfort in it? If yes, then unfortunately, there is no option left but root canal treatment for it, because it might have touched the r...  Read Full »

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Disclaimer: All health Q&As published on this website are not intended to be a substitute for professional medical diagnosis, advice or treatment by a trained physician. Seek the advice from your physician or other qualified health-care providers with questions you may have regarding your symptoms and medical condition for a complete medical diagnosis. Do not delay or disregard seeking professional medical advice because of something you have read on this website.