A method for guiding the position of a dental drill for implant treatment of a patient, the method acquiring a volume image of patient anatomy; superimposing an image of a planned drill hole on a display of the acquired volume image according to observer instructions to form an implant plan; displaying at least a portion of the implant plan in stereoscopic form on a head-mounted device worn by an observer and tracking patient position so that the displayed portion of the implant plan is registered to the patient anatomy that lies in the observer's field of view; and highlighting the location of the planned drill hole on the head-mounted device display.