Friday, August 19, 2011

false negative in x-rays

I am sharing some of my intra-oral pictures taken at chariside, and thoughts on it.

#12 did not show clear decay on bite-wing taken. Clinically I can see a "yellow" shadow coming through the distal marginal ridge. Scheduled patient to come in for filling, but she was told they could not find decay on x-ray. 6 months later I saw pt for cleaning again, and this time I took picture of it while restoring tooth.





x-rays can give false negative results, careful clinical examination in combination with x-ray is the key to correct diagnosis. I know we have all been told and taught at school this way, and heard of this so many times, but I still see this happening too frequently...




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