Socket Preservation Flashcards
What is the goal of atraumatic tooth extraction?
Extracting the tooth by only cutting the fibers without removing bone
What is expected within 24 hours of extraction?
Blood clot
What is expected within 1-3 days of extraction?
Fibrinolysis
When is granulation tissue expected to replace the coagulum?
2-4 days
When is the vascular network expected to form?
1 week
T/F: By week 2, the socket should be covered in new connective tissue.
True
How long does it take for the new soft tissue to become keratinized?
4-6 weeks
T/F: Hard tissue remodeling continues for months after the extraction.
True
Will eventually lose bone
T/F: There is more bone resorption in the buccal area of an extraction site.
True
How much of the buccal-lingual thickness of the ridge will be lost in the first year after extraction?
5-7 mm
T/F: There is roughly half the bone loss is a grafted extraction site.
True
Could you do immediate implant placement in a Class I socket?
Yes
What causes a socket to be a class II or III?
Dehiscence defects
A socket with horizontal defects will be which class? Vertical defects?
Horizontal - class IV Vertical - class V
T/F: Alveolar ridge preservation (ARP) is done to stop bone resorption.
False
Control bone resorption
What are the contraindications for ARP?
Infection, immediate placement, soft tissue limitations (fistula)
T/F: Osteoconductive grafting materials stimulate the resident cells.
False
conductive - act as scaffold
Inductive - stimulate cells
T/F: Autogenous grafts are osteogenic, osteoinductive, and osteoconductive.
True
Holy Grail
What properties do allografts have?
Osteoinductive and/or osteoconductive
What properties do xenografts have?
Osteoconductive
What is the role of the membrane barrier?
Keep good stuff in, keep bad stuff (epithelium) out
What are four keys for the outcome of alveolar ridge preservation?
- Blood supply
- Space maintenance
- Membrane stability
- Tension-free flap closure
T/F: Implants should be placed at the same angle of the roots of the adjacent teeth.
False
More upright and slightly lingual
What makes side by side implant placement so difficult?
Bone between implants will be lost and the papillary soft tissue will go with it - black triangle
