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Ceramic-veneered zirconia frameworks in full-arch implant rehabilitations: A 6-month to 5-year retrospective cohort study

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dc.contributor.author Caramês, João Manuel Mendez
dc.contributor.author Mata, António Duarte
dc.contributor.author Marques, Duarte Nuno Da Silva
dc.contributor.author Francisco, Helena Cristina de Oliveira
dc.date.accessioned 2017-01-14T18:25:00Z
dc.date.available 2017-01-14T18:25:00Z
dc.date.issued 2016
dc.identifier.citation Caramês, J. M. M., da Mata, A. D. S. P., da Silva Marques, D. N., & de Oliveira Francisco, H. C. (2016). Ceramic-Veneered Zirconia Frameworks in Full-Arch Implant Rehabilitations: A 6-Month to 5-Year Retrospective Cohort Study. International Journal of Oral & Maxillofacial Implants, 31(6), 1407-1414. spa
dc.identifier.issn 08822786
dc.identifier.uri http://hdl.handle.net/11268/6157
dc.description.abstract Purpose: This was a retrospective cohort study designed to evaluate the clinical performance of ceramicveneered zirconia frameworks. Materials and Methods: Patients were recruited according to defined inclusion criteria. All patients were checked every 4 months from the time of definitive rehabilitation. At the end of 2013, all patients were rescheduled and rechecked for study purposes. The restorative procedures assessment was performed by previously established methods. The primary outcomes were the survival and success rates of the prosthesis. Descriptive statistics were used for the patient's demographics, implant distribution, and occurrence of complications. To study the survival and success of the prostheses, a Cox Regression analysis was used with a model constructed in a forward conditional stepwise mode. Predictive variables were included in the model, and adjusted survival curves were obtained for each outcome. Results: From 2008 to 2013, 75 patients were rehabilitated with 92 implant-supported, screw-retained, full-arch ceramic-veneered zirconia framework rehabilitations. The range of follow-up was between 6 months and 5 years. From the 92 full implant-supported screw-retained full-arch rehabilitations, Cox regression analysis indicated that within a 5-year time frame, the probability of framework fracture, major chipping, minor chipping, or any of the former combined to occur was 17.6%, 46.5%, 69.2%, and 90.5%, respectively. Conclusion: Results suggest zirconia as a suitable material for framework structure in implant-supported, full-arch rehabilitations. However, it experiences a high incidence of technical complications, mainly due to ceramic chipping. Further clinical studies should aim to ascertain the effects of clinical features and manufacturing procedures on the survival rates of these prostheses. © 2016 by Quintessence Publishing Co Inc. spa
dc.description.sponsorship SIN FINANCIACIÓN spa
dc.language.iso eng spa
dc.subject.other Dental prosthesis design spa
dc.title Ceramic-veneered zirconia frameworks in full-arch implant rehabilitations: A 6-month to 5-year retrospective cohort study spa
dc.type article spa
dc.description.impact 2.263 JCR (2016) Q1, 22/90 Dentistry, Oral Surgery and Medicine spa
dc.identifier.doi 10.11607/jomi.4675
dc.rights.accessRights closedAccess spa
dc.subject.uem Implantes dentales spa
dc.subject.unesco Odontología spa
dc.subject.unesco Restauración spa
dc.description.filiation UEM spa


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