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What Does A Dark Shadow Within Tooth And Below Gum Line Suggest In Dental X-ray?

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Posted on Wed, 8 Jan 2014
Question: During a recent dental cleaning and check-up an x-ray showed a large dark shadow totally within a tooth, and below the gum line. Several years ago I had a cosmetic crown placed on the tooth. I believe if was referred to as number 7 or the right upper front by the two front teeth. The last x-ray of that tooth 1 1/2 years ago showed nothing. There is no pain or other symtoms associated with it. My email address is YYYY@YYYY
doctor
Answered by Dr. Bibhu Dutt Nanda (18 minutes later)
Brief Answer: dental decay Detailed Answer: Hi, Thank you for writing to us. I would like to inform you that a black shadow may not always depict a pathology, usually dark shadows are normally present in the x-rays until you have a tooth infection or an associated swelling. I am glad to hear that you don't have any pain in the concerned tooth. In your case, I believe reason for placing the crown was either extensive dental decay or following root canal treatment.... In either of the cases tooth has decay which appears as a dark shadow on the x-ray and once the decay is removed by the dentist, shadows are no more present. I hope I answered your query, Feel free to ask more questions, I wish you good health, Take care.
Above answer was peer-reviewed by : Dr. Raju A.T
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Follow up: Dr. Bibhu Dutt Nanda (25 minutes later)
The crown was placed on the tooth as purely a cosmetic procedure there was no decay at the time, nor a root canal. All of the affected area has developed since the last checkup 1 1/2 years ago. I expect your answer may remain the same, I just wanted to clarify that fact. The area affected on the tooth is large and the dentist who did the check-up said I would likely loose the tooth, and didn't think a root canal would save it. Because of the rapid development he thought it could be an injury or tumor.
doctor
Answered by Dr. Bibhu Dutt Nanda (7 minutes later)
Brief Answer: root canal treatment Detailed Answer: Hi, Thank you for writing back. I am glad to receive important piece of information from your side. If a recent dental check up by your dentist suggests removal of the tooth then the shadow is from a chronic tooth infection which has developed a over a long period of time. In such cases, tooth has lost sensitivity and the shadow is from the healing tissue that forms as a defense mechanism of your body against infection. It is advised to perform a root canal treatment only if the prognosis is good or it is better to remove the tooth to prevent further expansion of the shadow. I hope you received the answer to your question, If you have any further query I will be glad to answer it. Thank you. Take care.
Note: Find out which dental treatment will work best for your teeth. Ask here.

Above answer was peer-reviewed by : Dr. Raju A.T
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Answered by
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Dr. Bibhu Dutt Nanda

Dentist

Practicing since :2010

Answered : 393 Questions

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What Does A Dark Shadow Within Tooth And Below Gum Line Suggest In Dental X-ray?

Brief Answer: dental decay Detailed Answer: Hi, Thank you for writing to us. I would like to inform you that a black shadow may not always depict a pathology, usually dark shadows are normally present in the x-rays until you have a tooth infection or an associated swelling. I am glad to hear that you don't have any pain in the concerned tooth. In your case, I believe reason for placing the crown was either extensive dental decay or following root canal treatment.... In either of the cases tooth has decay which appears as a dark shadow on the x-ray and once the decay is removed by the dentist, shadows are no more present. I hope I answered your query, Feel free to ask more questions, I wish you good health, Take care.