Thank you. I get it done yesterday, it wasn't that bad.
Could you take a look at lower tooth with periapical inflammation.
Should go for retreatment or extraction?
Tooth was treated 6 years ago, inflammation started to show up on xrays about 4 years ago.
Till lately tooht was asymptomatic, now in quite sensitive to touch.
One dentist proposed retreatment other preferred extraction.
A re-treatment can be attempted by an endodontist. But there is always the risk that the infection can return again. You also have to weigh the financial implications of a re-treatment, compared to an extraction and replacement.
Well, you started this thread by asking about decay in an upper molar. Using CBCT is an expensive, radio-intense, innacurate, and inappropriate (unethical?) way to look for decay.
A typical single dental bitewing for decay is about 5 microSv compared to 300-500 microSv for a large dental CBCT such as you show. CBCT are useful in endo for individual teeth where there is a small FoV (field of view) and doses are much better at 40 microSv.
CBCT in endo is good for cross-sectional views to investigate the location and number of canals, pulp chamber size and degree of calcification, root structure, direction and curvature, fractures, and iatrogenic defects.
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