Article (Scientific journals)
Bone Regeneration Using Porous Titanium Particles versus Bovine Hydroxyapatite: A Sinus Lift Study in Rabbits.
LAMBERT, France; LECLOUX, Geoffrey; Léonard, Angélique et al.
2013In Clinical Implant Dentistry and Related Research, 15 (3)
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Abstract :
[en] Aim: The first objective of this study was to qualitatively and quantitatively assess the bone formation process, particularly the long-term behavior and three-dimensional volume stability of subsinusal bone regeneration, using titanium (Ti) or bovine hydroxyapatite (BHA) granules, in a rabbit model. The second objective was to evaluate the effect of the hydration of the BHA particles with a therapeutic concentration of doxycycline solution on the osteogenesis and biomaterial resorption. Materials and Methods: Rabbits underwent a double sinus lift procedure using one of three materials: grade 1 porous Ti particles, BHA, or BHA hydrated with doxycycline solution (0.1 mg/ml) (BHATTC). Animals were sacrificed after 1 week, 5 weeks, or 6 months. Samples were analyzed using µCT and nondecalcified histology. Results: The materials used in each of the three groups allowed an optimal bone formation; bone quantities and densities were not statistically different between the three groups. At 6 months, more stable three-dimensional volume stability was found with Ti and BHATTC (p = .0033). At 5 weeks and 6 months, bone to material contact corroborating osteoconduction was significantly higher with BHA and BHATTC than with Ti (p < .0001). Conclusions and Clinical Implications: Even though the studied biomaterials displayed different architectures, they are relevant candidates for sinus lift bone augmentation prior to dental implants because they allow adequate three-dimensional stability and osteogenesis. However, to recommend the clinical use of Ti, both an observation on the drilling effects of Ti particles and clinical trials are needed.
Disciplines :
Dentistry & oral medicine
Author, co-author :
LAMBERT, France ;  Centre Hospitalier Universitaire de Liège - CHU > Médecine dentaire
LECLOUX, Geoffrey ;  Centre Hospitalier Universitaire de Liège - CHU > Médecine dentaire
Léonard, Angélique  ;  Université de Liège - ULiège > Département de chimie appliquée > Génie chimique - Procédés et développement durable
Sourice, S.
Layrolle, P.
ROMPEN, Eric ;  Centre Hospitalier Universitaire de Liège - CHU > Médecine dentaire
Language :
English
Title :
Bone Regeneration Using Porous Titanium Particles versus Bovine Hydroxyapatite: A Sinus Lift Study in Rabbits.
Publication date :
2013
Journal title :
Clinical Implant Dentistry and Related Research
ISSN :
1523-0899
eISSN :
1708-8208
Publisher :
Blackwell Publishing
Volume :
15
Issue :
3
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 15 November 2011

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