Facial bones Study

•  Temporomandibular joint is the only movable joint in the skull
• The CR exit at the Acanthion for a modified parietoacanthial (modified Waters) projection of the facial bones
• The CR is centered at the Zygoma for a lateral projection of the facial bones
• Which positioning line is placed perpendicular to the plane of the IR with a true lateral nasal bone projection? 

  IPL interpupillary line
• Which of the following projections will best demonstrate the bony nasal septum? 

   Waters or parietoacanthial 
• Which projection best demonstrates the floor of the orbits? 

   Modified Waters Parietoacanthial
• The upper and lower teeth are embedded in the

   alveolar process 
• Lateral facial bones

  
• Parietoacanthial or waters

  
• Modified Parietoacanthial

  
• PA AXIAL (CALDWELL)​