Submentovertical mandible

Question 1

When positioning for the SMV of the mandible, which line should be placed parallel with the IR?

Answer 1

IOML

Question 2

What part of the head should be placed in contact with the wall buckey/IR?

Answer 2

Vertex of skull

Question 3

What is the central ray location for the SMV of the mandible?

Answer 3

MSP, midway between mandibular angles