Vertical osteoconductive characteristics of titanium implants with calcium-phosphate-coated surfaces - a pilot study in rabbits
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SCHIEGNITZ, Eik, PĂLĂRIE, Victor, NACU, Viorel, AL-NAWAS, Bilal, KAMMERER, Peer Wolfgang. Vertical osteoconductive characteristics of titanium implants with calcium-phosphate-coated surfaces - a pilot study in rabbits. In: Clinical Implant Dentistry and Related Research, 2014, nr. 2(16), pp. 194-201. ISSN 1523-0899. DOI: https://doi.org/10.1111/j.1708-8208.2012.00469.x
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Clinical Implant Dentistry and Related Research
Numărul 2(16) / 2014 / ISSN 1523-0899

Vertical osteoconductive characteristics of titanium implants with calcium-phosphate-coated surfaces - a pilot study in rabbits

DOI: https://doi.org/10.1111/j.1708-8208.2012.00469.x

Pag. 194-201

Schiegnitz Eik1, Pălărie Victor2, Nacu Viorel2, Al-Nawas Bilal1, Kammerer Peer Wolfgang1
 
1 University Medical Center Mainz, Mainz,
2 ”Nicolae Testemițanu” State University of Medicine and Pharmacy
 
Disponibil în IBN: 7 ianuarie 2021


Rezumat

Introduction: Osteoconductive characteristics of different implant surface coatings are in the focus of current interest. The aim of the present study was to compare the vertical osteoconductivity at the implant shoulder of supracrestal inserted calcium-phosphate coated implants (SLA-CaP) with conventional sand-blasted/acid-etched (SLA) implants in a rabbit model. Materials and Methods: SLA-CaP and SLA implants were inserted bilaterally in the mandible of four rabbits in a split-mouth design. The implants were placed 2mm supracrestal. After 3 weeks, at the left and right implant shoulder, the percentage of linear bone fill (PLF) as well as bone-implant contact (BIC-D) were determined. Results: After 3 weeks, newly formed woven bone could be found at the shoulder of the most of both surface-treated implants (75%). PLF was significantly higher in SLA-CaP implants (11.2% vs. 46.5%; n=8, p=.008). BIC-D was significantly increased in the SLA-CaP implants (13.0% vs. 71.4%; n=8, p<.001) as well. Conclusion: The results of this study show for the first time that calcium-phosphate coated surfaces on supracrestal inserted implants have vertical osteoconductive characteristics and increase the bone-implant contact at the implant shoulder significantly in a rabbit model. In clinical long-term settings, these implants may contribute to a better vertical bone height.

Cuvinte-cheie
Animal study, calcium-phosphate, implant, Osteoconductive characteristics