Full thickness Flaps

# Each of the following is associated with
full-thickness flaps EXCEPT one. Which is the EXCEPTION?
A. Periosteum stays on the bone
B. Apical repositioning
C. Osseous recontouring
D. Dissection of the tissue with a blunt instrument

The correct answer is A. Periosteum stays on the bone. 

A full thickness flap includes stripping all of

the soft tissue (epithelium, connective

tissue, periostuem) from the bone.

Following placement of the incisions, the

flap is dissected using blunt instruments

like a # 9 molt to separate the soft tissue

from the bone.

Full thickness flaps are used when

recontouring the osseus structures below

or when the gingiva are repositioned

apically.

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