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International Journal of Implant Dentistry
Fig. 2 | International Journal of Implant Dentistry

Fig. 2

From: Guided bone regeneration in staged vertical and horizontal bone augmentation using platelet-rich fibrin associated with bone grafts: a retrospective clinical study

Fig. 2

PRF preparation and usage in the GBR procedure. a - i-PRF, obtained after centrifugation of the tube containing the patient’s blood at 2700 rpm/400 g RCF for 3 min (IntraSpin ™—Intra-Lock), was aspirated with a plastic syringe from the tube. b Agglutination of the graft particles (autogenous and xenogenous graft) with i-PRF. c Bone graft after agglutination with i-PRF. Note the consistency of the graft mixture and its easy manipulation. d L-PRF clot, obtained after the blood centrifugation for 12 min, was removed from the tube and separated from the red blood cells. e L-PRF clots. f Preparation of L-PRF membranes with compression in a metal box (Xpression ™ Box—Intra-Lock). g Clinical view of the GBR site immediately before the use of L-PRF membranes. h L-PRF membranes covering the GBR region before suture

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