Orthognathic/Cleft/OSA

Question 1

The benefit of removing mandibular third molars prior to orthognathic surgery is that the

Answer 1

The thickness and quality of the lingual bone at the proximal aspect of the distal segment is much improved

Question 2

Cleft lip and palate is caused by lack of fusion between

a. Maxillary processes
b. Maxillary process and lateral nasal process
c. Lateral nasal process
d. Median nasal process and maxillary process

Answer 2

D. Medial nasal process and maxillary process

Question 3

Cleft palate only is more common in

a. Men
b. Women
c. Equally common in men and women

Answer 3

B. Women (2:1 ratio)

Question 4

Cleft palate only is caused by lack of fusion of

a. Maxillary process
b. Lateral nasal processes
c. Median nasal processes
d. Lateral palatal shelves

Answer 4

D. Lateral palatal shelves

Question 5

A patient with a cleft lip will often the caudal septum pulled

a. toward the non-cleft side
b. toward the side of the cleft
c. Pulled inferiorly
d. Pulled proximally

Answer 5

A. Toward the non-cleft side

Question 6

Common cause of immediate relapse following bsso?

Answer 6

Overseating of condyles — resulting in class 3 occlusion