L30 Osseous regeneration

Question 1

Perio regeneration order

Answer 1

Repair
Regeneration
Reattachment
New attachment

Question 2

Factors affecting outcome of regeneration

Answer 2

Defect type
Material used
Patient dependent factors (smoking)

Question 3

Principles behind GTR

Answer 3

Prevent epithelial migration
Space maintenance
Protect slow growing cells

Question 4

Healing time after GTR

Answer 4

At least 6 weeks but more like 3-6 months

Question 5

GTRs

Answer 5

Non resorbable
ePTFE (Goretex)
Resorbable
-PLA/PGA
-Collagen
-Calcium Sulfate

Question 6

Degradation of PLA/PGA

Answer 6

4-6 weeks

Question 7

Osteogenesis
Osteoinduction
Osteoconduction

Answer 7

Genesis: viable cells: Auto
Induction: uncommitted CT cells: Allograft
Conduction: non viable scaffold: Alloplast/xenograft

Question 8

Type of flap/incision when doing regenerative therpy

Answer 8

Sulcular incision

Question 9

Emdogain

Answer 9

Enamel Matrix Derivative

Forms extracellular matrix on ROOT to promote mesenchymal cells and inhibit epithelial adhesion

Question 10

Attachment dependent on these cells

Answer 10

Osteoblasts
Fibroblasts
Cementoblasts

Question 11

GEM 21S

Answer 11

Human platelet derived growth factor

Stiulates migration and proliferation of Osteoblasts fibroblasts, cementoblasts

Question 12

Biological mediators

Answer 12

Enamel matrix proteins

rhBMP: Recombinant human bone morphogenetic protein

Question 13

Most predictable furcation in tissue regeneration

Answer 13

Deep class 2 in mandibular or buccal maxillary

Question 14

Class I
Class II
Class III

Answer 14

I: SRP, flap debride, osseous surgery
II: GTR, osseous surgery
III: tunneling, extraction