No.  This is largely a myth.  Before 1980, the metal on cars was much thicker.  Sometimes, the combination of heat and cold was used together to remove dents.  Other PDR tools were still needed.  This is such a popular question and we wrote a blog about it, Dry Ice Dent Repair – Does It Really Work?

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You only get one factory paint job.  Don't trust it to just anyone.
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