As one embodiment, an orthodontic appliance manufacturing system is provided comprising a machine readable memory storing digital data representing a three dimensional virtual model of a malocclusion of a patient and digital information representing the location of orthodontic brackets to be placed on the malocclusion, said {HEAD ~ memory} further storing {TAIL ~ digital data} representing a three dimensional virtual model of the patients teeth and the dentition and location of orthodontic brackets at a target situation in three dimensions 
storing
As one embodiment , an orthodontic appliance manufacturing system is provided comprising a machine readable memory storing digital data representing a three dimensional virtual model of a malocclusion of a patient and digital information representing the location of orthodontic brackets to be placed on the malocclusion , said { HEAD ~ memory } further storing { TAIL ~ digital data } representing a three dimensional virtual model of the patients teeth and the dentition and location of orthodontic brackets at a target situation in three dimensions
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