Darby Disposable Bite Blocks are recommended when using the Panoramic X-ray machine. They greatly reduce cross-contamination between patients. Model 730 fits-Phillips, Den-Tal-Ez, Panolite and Soredex Model 760 fits-Select Planeca models Model 785 fits-Yoshida, Kaycor and Panoura Model 790 fits-Belmont X-Caliber models Model 795-fits-Panoramic Corporation Model 710 fits-Siemens OP 10 models Model 740 fits-GE Panolipse and Gendex models Model 770 fits-Panorex by Keystone and S.S.White Model 780 fits-Belmont Autopan FIAD Features and Benefits Induvidually packaged Open in front of patient to show freshness