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Cemented and screw-retained implant-supported single-tooth restorations in the molar mandibular region: a retrospective comparison study after an observation period of 1 to 4 years

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Cemented and screw-retained implant-supported single-tooth restorations in the molar mandibular region: a retrospective comparison study after an observation period of 1 to 4 years

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dc.contributor.author Ferreiroa Navarro, Alberto es
dc.contributor.author Peñarrocha Diago, Miguel es
dc.contributor.author Pradíes Ramiro, Guillermo es
dc.contributor.author Solá Ruiz, María Fernanda es
dc.contributor.author Agustín Panadero, Rubén es
dc.date.accessioned 2015-02-26T12:37:12Z
dc.date.available 2015-02-26T12:37:12Z
dc.date.issued 2015 es
dc.identifier.citation Ferreiroa Navarro, Alberto ; Peñarrocha Diago, Miguel ; Pradies Ramiro, Guillermo ; Solá Ruiz, María Fernanda ; Agustín Panadero, Rubén. Cemented and screw-retained implant-supported single-tooth restorations in the molar mandibular region: a retrospective comparison study after an observation period of 1 to 4 years. En: Journal of Clinical and Experimental Dentistry, 2015, Vol. 7, No. 1: 89-94 es
dc.identifier.uri http://hdl.handle.net/10550/42404
dc.description.abstract Objectives: The aim of this study was to evaluate the survival and compare the appearance of different mechanical and biological complications, in screw-retained and cemented-retained single-tooth implant-supported restorations localized in the molar mandibular region, over a period of 1 to 4 years. Material and Methods: A retrospective study was carried out with a total of eighty implant-supported restorations, which were placed in eighty patients for prosthetic rehabilitation of a mandibular molar. Forty patients were rehabilitated with a cemented-retained restoration and the other forty with a screw-retained restoration. The presence of the following complications was recorded for both types of prostheses: Fractures of the ceramic veneering, loosening screws, mucositis and peri-implantitis. Debonding of the restoration was analyzed in the cemented-retained restoration group. The clinical survival of crowns was analyzed with a Kaplan-Meier test and the clinical complications were compared, using a Student t test and Log-rank test. Results: 27 patients registered some complication. The average rate of complications was 37,5% for cemented- retained restorations and 30% for screw-retained restorations. The complications more common in the cemented- retained restoration were the presence of mucositis (14,87%), while in the screw-retained restorations was the loosening screw (20%). Student t test and Log-Rank test found significant differences ( p =0,001) between the screw loosening and presence of mucositis. Conclusions: The cemented-retained restorations seem to prevent screw loosening, but the presence of cement seem to increase the complications around the soft tissues, however in the screw-retained restorations the presence of mucositis and peri-implantitis are lower than cemented-retained restorations. The incidence of fracture of ceramic veneering was similar in both groups. en_US
dc.subject Odontología es
dc.subject Ciencias de la salud es
dc.title Cemented and screw-retained implant-supported single-tooth restorations in the molar mandibular region: a retrospective comparison study after an observation period of 1 to 4 years es
dc.type journal article es_ES
dc.subject.unesco UNESCO::CIENCIAS MÉDICAS es
dc.type.hasVersion VoR es_ES

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