Article (Scientific journals)
Effect of Leukocyte- and Platelet-Rich Fibrin (L-PRF) on Bone Regeneration: A Study in Rabbits.
Knapen, Michel; Gheldof, Damien; Drion, Pierre et al.
2013In Clinical Implant Dentistry and Related Research
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Keywords :
L-PRF; bone regeneration; histomorphometry; osteoconduction
Abstract :
[en] BACKGROUND: The positive effect of leukocyte- and platelet-rich fibrin (L-PRF) on osteogenesis has been widely described in vitro. However, clinical and preclinical studies are very little and controversial in demonstrating a significant beneficial effect of L-PRF in bone regeneration. PURPOSE: The goal of the present study was to compare the potential effect of L-PRF in a standardized model. MATERIALS AND METHODS: A total of 72 hemispheres were implanted on the calvaria of 18 rabbits and filled with three different space fillers: L-PRF, bovine hydroxyapatite (BHA), BHA + L-PRF, and an empty hemisphere was used as control. Six rabbits were sacrificed at three distinct time points: 1 week, 5 weeks, and 12 weeks. Histological and histomorphometrical analyses were carried out. RESULTS: At the early phase of bone regeneration (1 week), from a descriptive analysis, a higher proportion of connective tissue colonized the regeneration chamber in the two groups containing BHA particles. Nevertheless, no statistical differences were found within the four groups in terms of bone quantity and quality at each timepoint (p = .3623). CONCLUSIONS: According to the present study, L-PRF does not seem to provide any additional effect on the kinetics, quality, and quantity of bone in the present model of guided bone regeneration.
Disciplines :
Dentistry & oral medicine
Author, co-author :
Knapen, Michel
Gheldof, Damien
Drion, Pierre ;  Université de Liège - ULiège > Département des sciences biomédicales et précliniques > GIGA-R:Méth. expér.des anim. de labo et éth. en expér. anim.
Layrolle, Pierre
Rompen, Eric ;  Université de Liège - ULiège > Département de sciences dentaires > Chirurgie bucco-dentaire et parodontologie
Lambert, France ;  Université de Liège - ULiège > Département de sciences dentaires > Biomatériaux dentaires
Language :
English
Title :
Effect of Leukocyte- and Platelet-Rich Fibrin (L-PRF) on Bone Regeneration: A Study in Rabbits.
Publication date :
04 September 2013
Journal title :
Clinical Implant Dentistry and Related Research
ISSN :
1523-0899
eISSN :
1708-8208
Publisher :
Blackwell Publishing
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 29 October 2014

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