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MSDO - before and after endo tx - Courtesy ROOTS

The opinions and photographs within this web page are not ours. Authors have been
credited for the individual posts where they are -
From: Fred Barnett
Sent: Monday, December 21, 2009 9:02 PM
Subject: [roots] MSDO- before and after endo tx

Treatment by Mike Trudeau; tooth #14. Jared Buck; tooth #13. - Fred

Superb!Thanks for sharing! - Liviu Excellent outcome! Looks like Mike drew the short straw though ;-) - Stephen Ball Fred, Good endo treatment, but from what is seen on CTs the lesion pointed with an arrow hardly could be of odontogenic origin in my humble opinion. Besides two CTs have been made at quite different planes. The cut of CT from 2009 is at higher level/plane than CT from 2007. Should be at the same level/plane to allow real comparisson. Looks like this retention cyst have subsided within this 2 years period ( or been removed ... ? ). Just my 2 cents - Valeri Stefanov Here is another picture of pre-op and follow-up.....slices appear to be better matched. - Fred
Fred, From left CTs it is not clear when "diagnosing" CT was made ? Was it in July 2009 ? Hardly possible, if check up was done in Feb 2009. How long time passed between first and second CT ? Due to artefacts on starting CT it is hard to say, if there was an involvement of sinus bone floor. On check up CT it is evident that the bone floor is very thin. If there was any involvement of teeth treated, then it has been via different path. Bacterias from teeth possibly have reached the pre-existing lesion through "blood way" and have caused a chronic inflammation of the lesion. There is still thickening of the mucosa seen on the check up CT. Bone floor is fully intact, too.- Valeri Stefanov Valerie, Good point. I have other slices that I can include. Her sinus symptoms resolved a few weeks after the endo was completed, so we made the assumption that this was MSDO.- Fred Fred there are more discrepancies, too. The CT with the lesion is marked as done in July 2009 and a check up CT was done in February 2009 ???? There is no evidence of involvement of the sinus bone floor, and at least on this slice, lesion looks like originating from sinus mucosa. Would be interesting to see other slices, too - Valeri Stefanov
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