PDR is especially effective on smooth, shallow dents where the metal has flexed rather than folded sharply

https://andreieqi494.opalvector.com/posts/pdr-vs-traditional-body-work-the-smarter-choice-for-car-dent-repair-2

PDR is especially effective on smooth, shallow dents where the metal has flexed rather than folded sharply, allowing technicians to return the panel to its original contour.