Ding on drivers side door.........

[nobrakes]

I accidently put a ding on my driver side door by opening up my wife's car door while holding some grocery bags ( I will never go food shopping again). I went to a paintless ding specialist who has been doing this for 20 years. He got most of the ding out (you really have to look for the ding to see it now) by inserting tools down the window slot and working the ding out from the inside. He told me he couldnt get it all out because of the collision/crash bar that is inside the door. Im wondering if the interior panel is removed that there will be better access to get all the ding out........Anyone have experience with door dings and how to fix them ?.........Its so small and really not noticable, but I know its there and bugs me. Thanks in advance.