Paintless Dent Repair or PDR, is the process of repairing automotive vehicles without the use of paint, bondo or other methods that auto body repair shops employ. There are many benefits of paintless dent repair, including 1) you maintain the factory paint job on your vehicle, 2) the repairs can usually be done in a short time relative to a body shop and 3) paintless dent repair is almost always the least expensive option for dings, dents and hail damage.