Popups can detract from a user's experience, so try to limit how often they appear.
Earpiece Face Bow (or Ear Bow), includes:
1 Bitefork (AEB-G)
1 Orbital Pointer (AEB-18)
1 Clamp for Bitefork (AEB-Y)
1 Clamp For Orbital Pointer (AEB-R)
2 Special Calibrated Condylar Rods with Blue Rounded Earpieces (AEE-E2)