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On the Cleanliness of Different Oral Implant Systems: A Pilot Study

Artikel i vetenskaplig tidskrift
Författare D. U. Duddeck
Tomas Albrektsson
Ann Wennerberg
C. Larsson
F. Beuer
Publicerad i Journal of Clinical Medicine
Volym 8
Nummer/häfte 9
Publiceringsår 2019
Publicerad vid Institutionen för odontologi, sektion 2
Institutionen för kliniska vetenskaper, Avdelningen för biomaterialvetenskap
Språk en
Länkar dx.doi.org/10.3390/jcm8091280
Ämnesord dental implants, surface properties, titanium, materials testing, implant contamination, implant, follow-up, titanium implants, peri-implantitis, alveolar ridges, dental, implants, aesthetic zone, immediate, surface, provisionalization, outcomes, General & Internal Medicine
Ämneskategorier Odontologi


(1) Background: This paper aimed to compare the cleanliness of clinically well-documented implant systems with implants providing very similar designs. The hypothesis was that three well-established implant systems from Dentsply Implants, Straumann, and Nobel Biocare were not only produced with a higher level of surface cleanliness but also provided significantly more comprehensive published clinical documentation than their correspondent look-alike implants from Cumdente, Bioconcept, and Biodenta, which show similar geometry and surface structure. (2) Methods: Implants were analyzed using SEM imaging and energy-dispersive X-ray spectroscopy to determine the elemental composition of potential impurities. A search for clinical trials was carried out in the PubMed database and by reaching out to the corresponding manufacturer. (3) Results: In comparison to their corresponding look-alikes, all implants of the original manufacturers showed-within the scope of this analysis-a surface free of foreign materials and reliable clinical documentation, while the SEM analysis revealed significant impurities on all look-alike implants such as organic residues and unintended metal particles of iron or aluminum. Other than case reports, the look-alike implant manufacturers provided no reports of clinical documentation. (4) Conclusions: In contrast to the original implants of market-leading manufacturers, the analyzed look-alike implants showed significant impurities, underlining the need for periodic reviews of sterile packaged medical devices and their clinical documentation.

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