DN Report Karachi: The pre-conference workshops of the 4th International Conference of Pakistan Association of Orthodontics started today. The conference being held at the prestigious Aga Khan University Hospital has already had an overwhelming response. The conference is featuring state-of-the-art lecturers and workshops from world renowned academicians coming from all over the World as well as Pakistan. Leading orthodontic practitioners from across Pakistan are presenting their lecturers and conducting workshops. Just one day left to register for this international moot and gain academic knowledge and exposure from the highly qualified orthodontists from all over the World.