Yes , Orthodontist can treat the problems in all 3 dimensions like overjet,overbite,openbite,crossbite,crowding,spacing etc and help you to get a beautiful smile with good occlusion.there are various ways to make the space to treat a particular problem apart from Extraction but which one to use depends on the exact need of space,presence or absence of 3rd molars and other conditions.
Next Steps
get an orthodontic consultation