The dented cases do reload fine, just be sure to examine all brass closely, magnification helps, for cracks.
But that's just good practice anyway, only takes a few seconds.
The more brass is "stressed" the fewer times it will stand up to sizing, which is why neck sizing only for bolties yields longer brass life, less stress.
If the denting is reducing the life of the brass then reducing the denting would logically be advisable.
The door trim reduced but did not eliminate the issue. As I said it all reloads anyway just ALWAYS check your brass at each reload.
BTW I made a brass catc