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Skull Positioning
Mandible
| Question | Answer |
|---|---|
| What projections are done for the mandible? | PA, PA Axial, Axiolateral oblique bilateral |
| In the PA mandible, what is the position of the patient? | Patient is prone or upright |
| The ___ and ___ are perpendicular to the IR in the PA mandible. | OML, MSP |
| Where does the CR exit in the PA mandible? | exits the acanthion |
| Mandibular body and rami, medial or lateral displacement of the fragments in fractures of the rami are demonstrated in what view of the mandible? | PA |
| CR is angled 20-25 degrees cephalad and exits the acanthion is the description of the central ray in what view of the mandible? | PA Axial |
| Patient position for PA Axial. | Patient is prone or upright, OML is perpendicular, MSP perpendicular |
| What is demonstrated in the PA Axial mandible? | Mandibular body and rami symmetric, condylar processes, entire mandible |
| In what view do we see the entire mandible (mentum to condyle) and no overlap of the mandibular body by the opposite side of the mandible? | Axiolateral Oblique |
| Describe the patients position for the Axiolateral Oblique of the mandible. | The patient is semi-prone or supine or upright. Adjust head so that the broad surface of the mandibular body is parallel to the plane of the IR |