One Ring. One Arm. One Goal: Faster and Easier Radiographic Accuracy. The DENTSPLY Rinn XCP-ORA One Ring & Arm Positioning System simplifies your positioning procedure with fewer parts. The 3-in-1 design allows you to take anterior, posterior and bitewing indications using just the one arm and ring. The lightweight construction helps patients maintain positioning while the raised collimator ribs help stop tube head drift! The XCP-ORA works with film, phosphor plates and digital sensors and is autoclavable for low cost per use.