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Author Question: Which is a diagnostic tool used to determine the extent of a craniofacial deformity? a. MRI b. ... (Read 5 times)

kaid0807

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on: Jul 18, 2018
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

Question 2

Which type of bite disorder presents as a receding chin when one or both jaws are more posterior?
 
  a. Retrognathism
  b. Prognathism
  c. Apertognathism
  d. Micrognathism


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cici

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Reply #1 on: Jul 18, 2018
Answer to Question 1

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.

Answer to Question 2

ANS: A
Retrognathism occurs when one or both jaws are positioned posterior to the normal craniofacial relationship (i.e., behind the frontal plane of the forehead). In reference to the mandible, the condition is commonly known as a receding chin; this may create an overbite.


kaid0807

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Reply 2 on: Jul 18, 2018
Excellent

steff9894

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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