Early Osseointegration Events on Neoss® ProActive and Bimodal Implants: A Comparison of Different Surfaces in an Animal Model

Clinical Implant Dentistry and Related Research
Gustavo Augusto Grossi-OliveiraLuiz Antonio Salata

Abstract

Cell interactions, adherence, and osseointegration at the bone-implant interface can be directly influenced by the surface properties of the titanium implant. To characterize osseointegration of Neoss® implants with conventional (control group) and hydrophilic (test group) surface treatments. Six Labrador dogs received Neoss implants with conventional and hydrophilic surfaces. The bone-implant interfaces were evaluated 1 and 4 weeks after implantation, and osseointegration was evaluated using histological, histomorphometric, fluorescence, and resonance frequency analyses. The surfaces were also subjected to topographic and hydrophilicity analyses. The topographic analyses revealed increased surface roughness in the test group compared with the control group (surface area roughness 0.42 and 0.78 μm, respectively, for control and test group surfaces; p ≤ .05). The wettability values were higher in the test group (contact angles 67.2° and 27.2° for the control and test group surfaces, respectively; p ≤ .05). Implants in the test group also exhibited better stability, more bone-implant contact, and increased bone area compared with implants in the control group. Neoss implants in the test group improved bone formation in the early ...Continue Reading

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Citations

Nov 26, 2020·Dental Materials : Official Publication of the Academy of Dental Materials·Gabrielle Alencar Ferreira SilvaAltair Antoninha Del Bel Cury

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