I understand what you are saying. I firmly believe that humans such as you and I will go to Heaven and any physical ailments or deformaties will be made whole, because the Bible states that there is no suffering or hardship in Heaven. However the injuries that Jesus bore are much more than physical. They also go spiritual and I believe that they will still be visible scars, not causing discomfort but showing scars to serve as a reminder to us and to the spirit realm.
The neat thing is, that we will find out when we get to Heaven! :o)