Which is a diagnostic tool used to determine the extent of a craniofacial deformity?
a. MRI
b. CT scan
c. Manual sketches of the facial formations
d. PET scan
ANS: B
Analysis of three-dimensional CT scans and cephalometric tracings accurately superimposed on transparent photographs of the patient preoperatively is essential to determine the extent of the facial deformity and the plan for skeletal rearrangement. The exact size of the defects that will need bone grafts can be determined.
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