Fig. 1.

Mini bite bar set up used to securely attach the tracking marker to the subject. A) Each bite bar was individually molded to the volunteer's upper front teeth using a medical grade hydroplastic (TAK Systems) and included a two-hinge mounting system for flexible placement of the tracking marker. B) Image of a volunteer with the mini bite bar and tracking marker taken from approximately the same angle as where the camera would be located in the scanner bore.