<prompt> Which of the following are goals of orthognathic surgery?To improve facial estheticsTo shorten orthodontic treatment timeTo improve orthodontic treatment resultsAll of the above  <response>: The goals of ortho esthetics are:To improve facial esthetic and self-image of patient.To shorten orthodontic treatment time and improve orthodontic treatment results.To improve PDL stability and prognosis.To correct jaw relationships prior to major restorative procedure. 