Provide for adequate visualization an access-FLAP
Create sufficient space- TROUGH
Divide and conquer-SECTION
flap must have base that is broader than ______
free gingival margin
full thickness flap includes
surface mucosa, submucosa and periosteum
periosteum primary tissue responsible for bone healing
flap…
is outlined by an incision
possesses its own blood supply
allows easy access to
underlying tissues
can be replaced in the original
position
can be maintained with sutures
and is expected to heal
Envelope flap size
- extends 2 teeth anterior and 1 tooth posterior
to the area of the surgery
3-cornered flap with releasing incision size
extends 1 tooth anterior and 1 tooth posterior to
the area of the surgery
palatal incision
Y: remove torus
pedicle flap: mobilizes from one to flill defect from other
semilunar incision
avoid trauma to papillae and gingival margin but limited access
used with periapical surgery
do not cross major eminences (canine)
vertical releasing incisions should cross the ______ at the _____
vertical releasing incisions should cross the free gingival margin at the line angle of a tooth and should not be directly on the facial aspect of the tooth or papilla
2 most important vital structures that can be damaged are both located in the ______
mandible:
1. lingual nerve (lingual mandibublar 3rd)
2. mental nerve (apical mandibular premolar) use envelope flap well anterior/posterior