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dc.creatorRíos-Santos, J.V.es
dc.creatorTello González, Gregorioes
dc.creatorLázaro Calvo, Pedroes
dc.creatorGil Mur, Javieres
dc.creatorRíos Carrasco, Blancaes
dc.creatorFernández Palacín, Anaes
dc.creatorHerrero Climent, Marianoes
dc.date.accessioned2021-02-11T13:47:14Z
dc.date.available2021-02-11T13:47:14Z
dc.date.issued2020-11-17
dc.identifier.citationRíos-Santos, J.V., Tello González, G., Lázaro Calvo, P., Gil Mur, J., Ríos Carrasco, B., Fernández Palacín, A. y Herrero Climent, M. (2020). One Abutment One Time: a multicenter, prospective, controlled, randomized study. International Journal of Environmental Research and Public Health, 17 (24), 1-17.
dc.identifier.issn1660-4601es
dc.identifier.issn1661-7827es
dc.identifier.urihttps://hdl.handle.net/11441/104863
dc.description.abstractAim: (PRIMARY) Assess the changes in bone level (6 and 12 months after implant placement) between the test (definitive abutment (DEF)) and control (healing abutment (HEA)) groups. (SECONDARY) Assess the changes in bone level (6 and 12 months after implant placement) between the 1 mm high abutment group and 2 mm abutment group. Evaluate changes in implant stability recorded with analysis of the resonance frequency (RFA) Osstell system, at 6 and 12 months after implant placement, between the control group (HEA) and test (DEF). For the DEF group, the abutment was placed at the time of the surgery and was never removed. For the HEA group, the abutment was removed three times during the manufacture of the crowns. The abutments used were 1 mm high (Subgroup A) and 2 mm high (Subgroup B). Materials and methods: A total of 147 patients were selected between 54.82 ± 11.92 years old. After implant placement, patients were randomly distributed in the DEF and HEA group. After the implant placement, a periapical radiograph was taken to assess the peri-implant bone level; the same procedure was carried out 6 and 12 months post-placement. To compare the qualitative variables between the groups (HEA/DEF), the Chi-square test was used; for quantitative (MANOVA). Results: After a year, the accumulated bone loss was 0.48 ± 0.71 mm for the HEA group and 0.36 ± 0.79 mm for the DEF group, without statistical significance. Differences were only found due to timing (time) between 0 and 6 months (=0.001) and 0 and 12 months (0.001), with no differences attributable to the study groups (DEF and HEA). The accumulated bone loss (1 year) was 0.45 ± 0.78 mm for the 1 mm abutment group and 0.41 ± 0.70 mm for the 2 mm abutment group (p = 0.02). No differences were observed in implant stability between groups. Conclusions: The “One Abutment—One Time” concept does not reduce peri-implant bone loss compared to the connection–disconnection technique. The height of the abutment does influence bone loss: the higher the abutment, the lower the bone loss.es
dc.formatapplication/pdfes
dc.format.extent17es
dc.language.isoenges
dc.publisherMDPIes
dc.relation.ispartofInternational Journal of Environmental Research and Public Health, 17 (24), 1-17.
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 Internacional*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/*
dc.subjectConnection and disconnection abutmentes
dc.subjectImplant-abutment connectionses
dc.subjectImplant bone losses
dc.subjectDental implantses
dc.subjectImplant collares
dc.subjectImplant neckes
dc.subjectMarginal bone leveles
dc.titleOne Abutment One Time: a multicenter, prospective, controlled, randomized studyes
dc.typeinfo:eu-repo/semantics/articlees
dcterms.identifierhttps://ror.org/03yxnpp24
dc.type.versioninfo:eu-repo/semantics/publishedVersiones
dc.rights.accessRightsinfo:eu-repo/semantics/openAccesses
dc.contributor.affiliationUniversidad de Sevilla. Departamento de Estomatologíaes
dc.relation.publisherversionhttps://doi.org/10.3390/ijerph17249453es
dc.identifier.doi10.3390/ijerph17249453es
dc.journaltitleInternational Journal of Environmental Research and Public Healthes
dc.publication.volumen17es
dc.publication.issue24es
dc.publication.initialPage1es
dc.publication.endPage17es

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