Common "Secondary Caries" queries answered by top doctors | iCliniq

Secondary Caries

Caries which recurs beneath a previously restored tooth are known as secondary caries. These are also known as recurrent caries. These are common with composite restorations. Any micro gap in the tooth restoration margin causes a local collection of food debris and bacteria, leading to caries in the long run. Removal of the initial restoration along with caries and re-restoration helps. These are mostly diagnosed through patient's symptoms or dental X-rays.

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All the answers published in this website are written by verified medical doctors, therapists and health experts. The Content has been moderated by iCliniq medical review team before publication. Post your medical clarifications on iCliniq by choosing the right specialty and get them answered. Your medical queries will be answered 24/7 by top doctors from iCliniq.

I have been experiencing a headache due to pain in my left back-restored tooth for the past two days. Please help.

Query: Hi doctor, My teeth have two black fillings that were placed at the same time. However, the left one has been aching for the past two days, and it hurts when I eat. This causes a permanent headache. Please help.   Read Full »

Dr. Muzaffer Hussain Parray

Answer: Hi, Welcome to Thank you for your query, As per your history it seems to me that you are having apical periodontal damage, either because of the secondary caries or because of the pressure due to hard substance chewing. You need to get an X-ray done as soon as possible to rule out an...  Read Full »

What is the reason for the enlarging black hole in my right upper molar?

Query: Hi doctor,I have attached pictures of a black hole in my right upper molar. It is enlarging in size, painful, and causes migraine daily. So I tried to remove the infected cusp. Please help.  Read Full »

Dr. Nazima Anjum

Answer: Hi,Welcome to the images attached (attachment removed to protect the patient's identity), it is suggestive of secondary caries or broken filling. Take an X-ray and do a root canal treatment if possible and replace it with a crown. If it is grossly decayed then it is better to extrac...  Read Full »

Why do I have pain in my tooth even after getting it filled?

Query: Hello doctor, I got a filling done for a sensitivity problem in a tooth. However, the pain recurred as some cavity was left out beneath the filling. So I had to get the filling done again. Currently, I have pain in the tooth when chewing on both soft and hard foods. Also, the pain lasts for a while...  Read Full »

Dr. Bhargav Reddy Gutha

Answer: Hello, Welcome to I understand your concern and would be happy to help. You have pain either due to galvanism or microleakage. Galvanism occurs due to metal alloy restoration in the oral cavity, with saliva acting as a medium. Microleakage occurs when the restoration and tooth edge marg...  Read Full »

What to do for infection and pain in one of the supporting teeth of FPD?

Query: Hello doctor, I have an accident history which leads to the fixation of FPD in the place of incisors with the support of two adjacent teeth on either side. Recently I got an infection above one of the supporting teeth. RCT has already done on that tooth. I got my x-ray done. I am having a throbbin...  Read Full »

Dr. Divya Banu M

Answer: Hello, Welcome to I have gone through your history and OPG (orthopantomogram). (attachment removed to protect patient identity). There is a periapical (surrounding apex of tooth root) infection. I could see two radiolucent lines near the upper third and apex of root, which could pos...  Read Full »

How to find out if I have caries under my tooth restoration?

Query: Hello doctor,I have three first molars that have been filled with amalgam three years ago. I need to know how can I find out if one of them has caries under the restoration because one more first molar was also restored by amalgam, and three years later, I was experiencing some pain. When the doctor...  Read Full »

Dr. Naveen Thomas

Answer: Hello, Welcome to, there are possibilities of caries (tooth decay) underneath amalgam restorations. Please check the panoramic radiograph and see if there are any dark patches below the amalgam fillings in the teeth. It would be best if you could send a photograph of your recent pan...  Read Full »

What causes tooth pain when i chew on filled tooth?

Query: Hello doctor, I have a filling in my tooth of some metal (14 years have passed). I had flu and sore throat a few days back. So, I used Augmentin and another tablet of Actifit-P replacement. After three to four days, my toothache started and now if I chew anything, my teeth feel painful. That filled...  Read Full »

Dr. Nupur Prashant Shah

Answer: Hi, Welcome to First of all, I would like to tell you that consult your nearby endodontist to rule out the reason for pain clinically and radiographically. If the pain would be due to secondary decay below the restoration and deep to the pulp, then you will have to undergo a root cana...  Read Full »

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