It's very common for orthodontists to place upper braces first and wait several months before placing lower braces. Some reasons may be:1) Because of the way the upper and lower teeth fit together, the upper teeth may need to be moved out of the way first before there is room to place lower...
The best way to correct your asymmetry and bite is with orthodontics and jaw surgery. The severe crowding of the upper arch will require extraction of a pair of premolars. You may or may not need extractions in your lower arch. As far as surgery goes, you will need an asymmetric mandibular set...
Most likely it is OK, however, your Orthodontist knows your treatment plan best, so I would recommend that you call to let the office know what happened. If they need to see you sooner, they will let you know.