I know that the wires can be removed after a certain amount of time that you've had them. Their purpose is only to hold the teeth in place while the gums reset (after braces or surgury), so I assume taking out the wires would be fine.
As for the MRI, my mother suffered a stroke a month back and had to go through one. They made her remove anything that even smelled of metal. The magnet is really, really strong, so I think maybe they'd have to come out.
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Re: Had my first ever CAT Scan today...and a question
