Question 36 · LDEK · Craniofacial and occlusal development
Which statements describe the correct maxillary bone growth (primary displacement)?
1) maxilla moves downwards and forwards;
2) maxilla moves downwards and backwards;
3) it is mild clockwise rotation;
4) it is mild counterclockwise rotation;
5) it depends on the cranial growth.
The correct answer is:
2) maxilla moves downwards and backwards;
3) it is mild clockwise rotation;
4) it is mild counterclockwise rotation;
5) it depends on the cranial growth.
The correct answer is:
- A. 1,3.
- B. 2,4.
- C. 1,4,5.
- D. 2,3,5.
- E. 2,3.
Hint
Primary displacement is due to the bone's own growth; growth of the anterior cranial fossa causes secondary displacement.
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