Which sinus group is of primary importance in the lateral projection of the sinuses?

What projection is demonstrated in the following radiograph? 020148.jpg cropped.jpg

The central ray for the PA axial (Haas) projection should be directed to enter:

The central ray should be perpendicular to which of the following lines for the SMV of the mandible?

What is the central ray angulation for the axiolateral or axiolateral oblique projection of the mandible to demonstrate the ramus or body?

Which of the following should be clearly demonstrated on the following projection of the paranasal sinuses? 022010B with paint.jpg all four sinus groups superimposed orbital roofs superimposed mandibular rami

Which of the following lines is placed parallel with the transverse axis of the IR for the axiolateral oblique projection of the TMJ articulations?

Where should the central ray be directed for the SMV of the mandible?

Refer to the labeled illustration of the landmarks of the cranium below.  The MML is represented by which numbered structure? Lat 2.jpg

The OML forms an angle of how many degrees from the plane of the IR for an open-mouth Waters method?