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Si us plau utilitzeu sempre aquest identificador per citar o enllaçar aquest document: https://hdl.handle.net/2445/217871
Mechanical complications of implant-supported complete-arch restorations and impact on patient quality of life: A retrospective cohort study
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Statement of problem: Mechanical complications (for example, fractures) in implant-supported complete-arch restorations may affect the social and professional activities of the patient. However, most studies seem to overlook patient perceptions and generally do not assess the changes in the quality of life (QoL) of patients who experience these complications. Purpose: The purpose of this retrospective cohort study was to assess the influence of technical or mechanical complications of complete-arch implant-supported prostheses on patient perception and QoL by using the Oral Health Impact Profile (OHIP)-14. Material and methods: A retrospective cohort study was formed of patients treated consecutively at a private clinic with immediately loaded complete-arch prostheses supported by a minimum of 4 implants (Replace Tapered; Nobel Biocare AB) and Multi-Unit conical abutments (Multi-Unit abutments; Nobel Biocare AB). OHIP-14 and questions regarding self-reported satisfaction were used to evaluate the influence of mechanical complications on QoL. Results: Fifty-six participants (26 men and 30 women) with a mean age of 64 ±11.1 years, and 72 restored arches were included. The mean ±standard deviation follow-up time was 52 ±26 months. The prosthetic success rate was 38.8%, and the survival rate was 100% (no failure was registered). The most common complications were abutment screw loosening (43%), chipping or fracture of the veneering material (25%), and screw loosening (21%). The OHIP-14 scores were close to zero, without differences between participants with or without mechanical complications. Overall, the participants reported that the prostheses allowed good oral hygiene (94.6%) and met their expectations (89%) and that they would repeat the treatment (87.5%) and would recommend it to others (93%). Conclusions: Minor mechanical complications such as screw loosening and chipping or fracture of the veneering material were frequent events but had no impact on the satisfaction and QoL of patients with immediately loaded complete-arch implant-supported prostheses.
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SÁNCHEZ TORRES, Alba, CERCADILLO-IBARGUREN, Iñaki, BARBOSA DE FIGUEIREDO, Rui pedro, GAY ESCODA, Cosme, VALMASEDA CASTELLÓN, Eduardo. Mechanical complications of implant-supported complete-arch restorations and impact on patient quality of life: A retrospective cohort study. _Journal of Prosthetic Dentistry_. 2020. Vol. 125, núm. 2, pàgs. 279-286. [consulta: 23 de gener de 2026]. ISSN: 0022-3913. [Disponible a: https://hdl.handle.net/2445/217871]