I originally did have an overbite, which was corrected at an earlier time with orthodontics by pulling my front teeth forward, which resulted in them being slanted forward, and my having a very deep and ugly (IMO) labiomental groove. This original overbite has now been recreated (on MM's advice, in preparation for the BSSO) by extracting the premolars, and pulling the front arch back.
What German jaw surgery forum are you referring to? I can read German pretty well, that's true.