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Platelet Rich Plasma
Art & science
Islam Kassem,BDS,MSc,FDS RCS
Consultant oral & maxillofacial Surgeon
ikassem@dr.com
Angle Face Left
New technology of injection
your own blood to get a
Youthful Look .
.
ikassem@dr.com
Why Are Celebrities
Injecting Their Faces
With Blood?
ikassem@dr.com
ikassem@dr.com
Platelet?
 Anuclear piece of cytoplasm
 Include hemostasis,
α-granule,lysosomal granule,
dense granules
ikassem@dr.com
 At least 7 different growth
factors that stimulate bone &
soft tissue healing
 PDGF aa,bb,ab
 TGF b1,b2
 VEGF
 EGF
ikassem@dr.com
Days of operation
ikassem@dr.com
7 days later
 PLT exhausted after 7 days
 Macrophage by low oxygen
tension, acidity, lactate
concentration
 Secrete same growth factors
 Activated until it is down
regulated by the restoration of
normal oxygen tension
ikassem@dr.com
Day 3rd
ikassem@dr.com
17days
 Graft is completely permeated
by new capillaries
 Initial osteoid formation
 Osteoclast resorb osteoid and
BMP released
 New bone formation and
maturation
ikassem@dr.com
Days 14
ikassem@dr.com
The mechanism of growth factor
effects on cells
Inactive state
ikassem@dr.com
Activation
activation
ikassem@dr.com
Clinical effects of PRP on bone
regeneration
Platelet
RBC
Normal blood PRP
ikassem@dr.com
Trabecular areaNative mandible Autogenous BG
ikassem@dr.com
Clinical effects of PRP on soft tissue
healing
 Split thickness skin graft donor site healing
ikassem@dr.com
6 days
Thrombin side
: 5% epithelization
95% granulation
tissue
PRP side
; 95% epithelization
5% granulation
tissue
ikassem@dr.com
6 months
Thrombin side
: scarring
hypo and
hyper-
pigmentation
area
PRP side
;less scarring
Much less
pigmentation
change
ikassem@dr.com
Patient discomfort
 Patient
discomfort
decrease
ikassem@dr.com
Epithelization
ikassem@dr.com
6days
↔
↔
ikassem@dr.com
1 months
ikassem@dr.com
Contraindications
 Pre-existing coagulation defect
: thrombocytopenia, hypofibrinogenia…
 Hypersensitivity to bovine thrombin
ikassem@dr.com
Clinical steps
ikassem@dr.com
ikassem@dr.com
ikassem@dr.com
ikassem@dr.com
ikassem@dr.com
ikassem@dr.com
Clinical
application
ikassem@dr.com
ikassem@dr.com
ikassem@dr.com
ikassem@dr.com
ikassem@dr.com
ikassem@dr.com
ikassem@dr.com
ikassem@dr.com
Ridge preservation
ikassem@dr.com
ikassem@dr.com
ikassem@dr.com
ikassem@dr.com
ikassem@dr.com
ikassem@dr.com
ikassem@dr.com
ikassem@dr.com
ikassem@dr.com

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PRP Art & science