11. The impact of Al2O3 particles from grit-blasted Ti6Al7Nb (alloy) implant surfaces on biocompatibility, aseptic loosening, and infectionBoštjan Kocjančič, Klemen Avsec, Barbara Šetina, Darja Feizpour, Matjaž Godec, Veronika Kralj-Iglič, Rok Podlipec, Andrej Cör, Mojca Debeljak, John T. Grant, Monika Jenko, Drago Dolinar, 2023, original scientific article Keywords: Ti6Al7Nb implant alloy cementless hip endoprostheses, roughness, Al2O3 grit blasting, surface and subsurface implant contamination, cytotoxicity, aseptic loosening, infection, osseointegration
Published in DiRROS: 01.02.2024; Views: 344; Downloads: 127
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13. Prognostic value of staging laparotomy in supradiaphragmatic clinical stage I and II Hodgkin's diseaseMarjeta Vovk, Tatjana Šumi-Križnik, Marija Jenko-Fidler, Gabrijela Petrič-Grabnar, Marinka Kremžar, Janez Novak, Mojca Senčar, Branko Zakotnik, Alenka Vodnik-Cerar, Branimir Jakšić, 1996, original scientific article Abstract: In the period 1974-1989, 219 patients with supradiaphragmatic clinical stage I and II Hodgkin's disease were treated at the Institute of Oncology in Ljubljana; of these 95 (43%) patients underwent staging laparotomy. Of laparotomized patients, those with pathological stage III-IV, and of non-laparotomized, those with unfavorable prognostic factors (B-symptoms, bulky mediastinum) received chemotherapy: the remaining patients were treated by irradiation. No statistically significant difference in the survival and disease-free survival between laparotomized and nonlaparotomized patients could be found.
Published in DiRROS: 16.01.2024; Views: 320; Downloads: 71
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14. Clinical features as a predictor of laparotomy findings in supradiaphragmatic stage I and II Hodgkin's diseaseMarjeta Vovk, Tatjana Šumi-Križnik, M... Jenko-Fidler, Gabrijela Petrič-Grabnar, M... Kremžar, Janez Novak, Mojca Senčar, Branko Zakotnik, A... Vodnik-Cerar, B... Jakšić, 1995, original scientific article Keywords: Hodgkinova bolezen, rak (medicina), klinična slika
Published in DiRROS: 15.01.2024; Views: 298; Downloads: 76
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15. Staging laparotomy for Hodgkin's disease in adults: one center experienceMarjeta Vovk, Tatjana Šumi-Križnik, M... Jenko-Fidler, Gabrijela Petrič-Grabnar, M... Kremžar, Janez Novak, Mojca Senčar, Branko Zakotnik, Alenka Vodnik-Cerar, B... Jakšić, 1995, original scientific article Published in DiRROS: 15.01.2024; Views: 311; Downloads: 81
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17. Tribocorrosive study of new and in vivo exposed nickel titanium and stainless steel orthodontic archwiresTadeja Kosec, Petra Močnik, Uroš Mezeg, Andraž Legat, Maja Ovsenik, Monika Jenko, John T. Grant, Jasmina Primožič, 2020, original scientific article Abstract: The surface, corrosion and wear properties of new and in vivo exposed nickel titanium (NiTi) and stainless steel (SS) archwires used in orthodontic treatment were investigated. Electrochemical and tribo-electrochemical tests in artificial saliva were performed in order to define corrosion properties and to estimate wear rate of new and in vivo exposed NiTi and SS archwires. The surface chemical analysis of the passive film on the NiTi and SS archwires before and after tribocorrosion tests was performed by Auger Electron Spectroscopy (AES). In vivo exposed NiTi and SS archwires had better electrochemical properties than new archwires due to the protective nature of oral deposits. Total wear and coefficients of friction were higher among in vivo exposed archwires and higher in NiTi archwires in comparison to SS archwires. The estimated thickness of the TiO2 passive film on as-received NiTi is 8 nm, while the passive Cr2O3 film on as-received SS is just 1–2 nm. On in vivo exposed NiTi archwire, a 60–80 nm thick organic film/dental plaque was observed, and on SS, it was thinner, at about 60 nm. This research shows the importance of combining AES with electrochemical testing, to characterize tribocorrosive properties of NiTi and SS orthodontic archwires.
Keywords: archwires, NiTi, stainless steel, wear
Published in DiRROS: 24.08.2023; Views: 397; Downloads: 155
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20. Impact and fracture toughness of nano-bainitic steel with low retained austeniteMihael Brunčko, Peter Kirbiš, Tomaž Irgolič, Darja Feizpour, Tomaž Vuherer, 2021, published scientific conference contribution abstract Keywords: nanostructured bainite, retained austenite, low temperature baite formation, impact toughness, fracture toughness
Published in DiRROS: 06.05.2022; Views: 606; Downloads: 176
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