Comparación de la eficacia de las prótesis removibles de poliéter-éter-cetona con prótesis cromo cobalto
DOI:
https://doi.org/10.29166/odontologia.vol27.n3.esp.2025-e8389Palabras clave:
prótesis parcial removible, prótesis poliéter-éter-cetona (PEEK), prótesis de cromo cobalto, rehabilitación oralResumen
El poliéter-éter-cetona (PEEK) es un material polimérico formado por un núcleo aromático unido por grupos cetona y éter. El objetivo fue comparar la eficacia de las prótesis removibles de poliéter-éter-cetona con la de las prótesis removibles tradicionales. Se realizó una revisión sistemática siguiendo las recomendaciones de la guía PRISMA para lo cual se realizaron búsquedas en bases de datos como PubMed, LILACS, SCOPUS, EMBASE y ScienceDirect y se incluyeron 20 artículos publicados entre 2020 y 2024. Las principales características de las prótesis removibles PEEK son su alta biocompatibilidad, buenas propiedades mecánicas, resistencia a altas temperaturas, estabilidad química, capacidad de pulido, buena resistencia al desgaste, baja afinidad con la placa y alta resistencia de adhesión con resinas compuestas. Tienen un bajo peso específico lo que contribuye a que sean una prótesis más ligeras y cómodas, tienen un módulo de elasticidad bajo similar al del hueso, no tiene un color metálico, en cambio existen tonalidades, beige, rosa y blanco por lo que sus propiedades estéticas son superiores a las convencionales. Como desventajas tienen que la retención y la resistencia a la fatiga de los ganchos de PEEK eran inferiores a las de los ganchos metálicos. Las prótesis removibles PEEK tienen una resistencia al desgaste similar a la de las aleaciones de metal, aunque tiene una resistencia elástica algo pobre y una dureza baja aumentando el riesgo a las fracturas.
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Derechos de autor 2025 Alexy Javier Lucas, Miguel Carrasco Sierra
Esta obra está bajo una licencia internacional Creative Commons Atribución-NoComercial-SinDerivadas 4.0.
