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- Eliasson, Alf, 1957-, et al.
(författare)
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The precision of fit of milled titanium implant frameworks (I-Bridge) in the edentulous jaw.
- 2010
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Ingår i: Clinical implant dentistry and related research. - : Wiley. - 1708-8208 .- 1523-0899. ; 12:2, s. 81-90
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Tidskriftsartikel (refereegranskat)abstract
- BACKGROUND: New computer numeric controlled (CNC)-milled frameworks for implant-supported prostheses have been introduced. However, no data are available on the precision of fit of these new frameworks. PURPOSE: The purpose of this study is to evaluate the precision of fit of a new CNC-milled framework technique (I-Bridge, Biomain AB, Helsingborg, Sweden) using Brånemark System (Nobel Biocare AB, Göteborg, Sweden) and NobelReplace (Nobel Biocare AB) system implants. MATERIALS AND METHODS: Ten test frameworks were fabricated for one master model for each implant system. Five additional frameworks were fabricated for five different models simulating clinical cases as controls (Brånemark System). The distortion of implant center point positions was measured in x-, y-, and z-axes and in three dimensions by using a contact-type coordinate measuring machine and a computer program developed specifically for this purpose. Mann-Whitney U-test was used to compare differences of distortion within and between the groups. RESULTS: The maximal distortion in arch width (x-axis) and curvature (y-axis) was within 71 and 55 microm for all frameworks, respectively. The mean distortion in absolute figures in x-, y-, z-axes and three dimensions was for "clinical control" frameworks 23, 26, 4, and 34 microm as compared with less than 12, 12, 2, and 17 microm for Brånemark and NobelReplace frameworks, respectively. Control frameworks showed significantly (p < .05) greater mean and range of distortions in x- and y-axes and in three dimensions compared with test frameworks. CONCLUSION: All measured frameworks presented signs of misfit, indicating that no framework had a "passive fit." Frameworks produced in a more routine clinical environment seem to present greater levels of distortion as compared with frameworks produced in a strict test situation. However, all measured frameworks presented levels of precision of fit within limits considered to be clinically acceptable in earlier studies of frameworks placed on abutments.
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- Brännström, Leila, et al.
(författare)
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What is the state of critique today? : A conversation with Anders Johansson, Sharon Rider and Malin Rönnblom
- 2011
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Ingår i: Eurozine. - 1684-4637. ; :2011-10-12
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Tidskriftsartikel (populärvet., debatt m.m.)abstract
- Is what is taken for critique today genuinely self-questioning or merely the confirmation of the moral consensus? In the neoliberal culture of the audit, has critique been deprived of its role as check on ideology? And does preference for impact-oriented research produce political compliance rather than independent critical thought?
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Du ska inte tro att du är något : om Jantelagens aktualitet
- 2017
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Samlingsverk (redaktörskap) (övrigt vetenskapligt/konstnärligt)abstract
- Att det har gått över åttio år sedan Aksel Sandemose formulerade Jantelagen hindrar inte att den fortfarande är ett gångbart namn på kollektivismens avigsidor: den svenska avundsjukan, småsintheten, det dåliga självförtroendet och så vidare. I denna antologi vrider och vänder åtta forskare på vårt förhållande till denna "lag". Utifrån litteraturvetenskapliga, filosofiska, medievetenskapliga och etnologiska perspektiv diskuterar de huruvida de återkommande hänvisningarna till Jantelagen i själva verket säger mer om den individualism som utger sig för att vara lagens motsats än om lagen själv. Finns det rent av något i Jantelagen att bejaka i en tid när den liberala individualismen alltmer framstår som en återvändsgränd och subjektets autonomi blir alltmer diffus?
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Efter Adorno
- 2003
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Samlingsverk (redaktörskap) (övrigt vetenskapligt/konstnärligt)
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| 9. |
- Eliasson, Alf, 1957-, et al.
(författare)
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A retrospective analysis of early and delayed loading of full-arch mandibular prostheses using three different implant systems: clinical results with up to 5 years of loading.
- 2009
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Ingår i: Clinical implant dentistry and related research. - : Wiley. - 1708-8208 .- 1523-0899. ; 11:2, s. 134-48
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Tidskriftsartikel (refereegranskat)abstract
- BACKGROUND: Early loading of implant-supported prostheses in the edentulous mandible is widely accepted, but do the clinical results replicate those of delayed loading? PURPOSE: The aim of this study was to evaluate clinical outcome and patient satisfaction with early or delayed loading in patients treated with fixed prostheses, using three different implant systems. MATERIALS AND METHODS: One hundred and nine consecutively treated patients received 490 implants supporting fixed prostheses; 82 patients with Brånemark System implants (Nobel Biocare AB, Göteborg, Sweden), 16 with Astra Tech implants (Astra Tech AB Dental Implant system, Mölndal, Sweden), and 11 with ITI MonoType implants (ITI Dental Implant System, Institute Straumann AG, Waldenburg, Switzerland). Prostheses were placed within 2 to 3 weeks in 55 patients; 54 patients underwent a two-stage procedure. Data were collected from patient records and radiographs; 83 patients attended a clinical examination and received a questionnaire. RESULTS: All patients had fixed prostheses at follow-up with a mean observation time of 3.5 years. Cumulative survival rates (CSRs) were 92.5% of prostheses and 94.4% of implants for early loading, and 98.0 and 97.9% for delayed loading. The mean radiographic bone loss after the first year was small, and at 5 years less than 0.2 mm for both groups. With early loading, significantly more prostheses (p < .05) needed adjustment or replacement. CONCLUSION: Statistically significantly more prostheses needed adjustment or replacement in the early group. The present study suggested lower CSRs for prostheses and implants in the early loading group after 5 years; the difference was not statistically significant. Larger study samples are needed to verify statistically small differences between treatment techniques.
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