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Evaluation of total alloplastic temporo-mandibular joint replacement with two different types of prostheses : a three-year prospective study

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Evaluation of total alloplastic temporo-mandibular joint replacement with two different types of prostheses : a three-year prospective study

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dc.contributor.author González Pérez, Luis Miguel es
dc.contributor.author González Pérez Somarriba, Borja es
dc.contributor.author Centeno Báez, Gabriel es
dc.contributor.author Vallellano Martín, Carpóforo es
dc.contributor.author Montes Carmona, José Francisco es
dc.date.accessioned 2017-07-21T10:17:19Z
dc.date.available 2017-07-21T10:17:19Z
dc.date.issued 2016 es
dc.identifier.citation González Pérez, Luis Miguel ; González Pérez Somarriba, Borja ; Centeno Báez, Gabriel ; Vallellano Martín, Carpóforo ; Montes Carmona, José Francisco. Evaluation of total alloplastic temporo-mandibular joint replacement with two different types of prostheses : a three-year prospective study. En: Medicina oral, patología oral y cirugía bucal. Ed. inglesa, 21 6 2016: 10- es
dc.identifier.uri http://hdl.handle.net/10550/59787
dc.description.abstract Temporo-Mandibular Joint (TMJ) replacement has been used clinically for years. The objective of this study was to evaluate outcomes achieved in patients with two different categories of TMJ prostheses. All patients who had a TMJ replacement (TMJR) implanted during the study period from 2006 through 2012 were included in this 3-year prospective study. All procedures were performed using the Biomet Microfixation TMJ Replacement System, and all involved replacing both the skull base component (glenoid fossa) and the mandibular condyle. Fifty-seven patients (38 females and 19 males), involving 75 TMJs with severe disease requiring reconstruction (39 unilateral, 18 bilateral) were operated on consecutively, and 68 stock prostheses and 7 custom-made prostheses were implanted. The mean age at surgery was 52.6±11.5 years in the stock group and 51.8±11.7 years in the custom-made group. In the stock group, after three years of TMJR, results showed a reduction in pain intensity from 6.4±1.4 to 1.6±1.2 (p<0.001), and an improvement in jaw opening from 2.7±0.9 cm to 4.2±0.7 cm (p<0.001). In the custom-made group, after three years of TMJR, results showed a reduction in pain intensity from 6.0±1.6 to 2.2±0.4 (p<0.001), and an improvement in jaw opening from 1.5±0.5 cm to 4.3±0.6 cm (p<0.001). No statistically significant differences between two groups were detected. The results of this three-year prospective study support the surgical placement of TMJ prostheses (stock prosthetic, and custom-made systems), and show that the approach is efficacious and safe, reduces pain, and improves maximum mouth opening movement, with few complications. As such, TMJR represents a viable technique and a stable long-term solution for cranio-mandibular reconstruction in patients with irreversible end-stage TMJ disease. Comparing stock and custom-made groups, no statistically significant differences were detected with respect to pain intensity reduction and maximum mouth opening improvement. es
dc.title Evaluation of total alloplastic temporo-mandibular joint replacement with two different types of prostheses : a three-year prospective study es
dc.type journal article es_ES
dc.subject.unesco UNESCO::CIENCIAS MÉDICAS es
dc.identifier.doi 10.4317/medoral.21189 es
dc.type.hasVersion VoR es_ES

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