The thyroid collar may be in the path of the primary beam during which occlusal technique?
A) Maxillary posterior topographical
B) Mandibular anterior topographical
C) Mandibular posterior topographical
D) Mandibular cross sectional
D
Explanation: A) When exposing an occlusal radiograph on the mandible, it may be necessary to modify placement of the lead/lead-equivalent thyroid collar.
B) When exposing an occlusal radiograph on the mandible, it may be necessary to modify placement of the lead/lead-equivalent thyroid collar.
C) When exposing an occlusal radiograph on the mandible, it may be necessary to modify placement of the lead/lead-equivalent thyroid collar.
D) When exposing an occlusal radiograph on the mandible, it may be necessary to modify placement of the lead/lead-equivalent thyroid collar.
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