Symmetry is improved with both the DNA and RNA Appliances but that does not mean perfection.
There were no pictures and a work-up gives better answers.
Many patients utilize braces or Invisalign after correction of pathologically underdeveloped maxilla.
Do you also have TMJ issues,...
Your recessed chin is more of a problem than just aesthetic. The recessed chin is also causing your TMJ problems and could also be causing sleep breathing problems.
The DNA appliance alone would probably not correct your recessed chin (retruded lower jaw). The mRNA would be more predictable....
