Lab Tribune Italian Edition - Maggio 2022 < Puri et al.53 hanno concluso che la concentrazione di EGMP non ha in- fluenzato le proprietà meccaniche delle protesi in PMMA, ma ha mi- gliorato l’idrofilia. Faot et al.54 hanno concluso che diversi cicli di polime- rizzazione a microonde non hanno prodotto proprietà meccaniche di- verse delle protesi in resina. Hanno dimostrato che dopo un periodo di conservazione di 30 giorni in acqua, la protesi si adattava meglio. Questo risultato è importante perché po- trebbe indicare un processo di mo- difica della forma della resina della protesi. Tacir et al.56 hanno concluso che la fibra di vetro migliora la re- sistenza alla flessione della resina per protesi in PMMA, ma diminui- sce anche la resistenza alla frattura. Secondo gli autori, questi risultati potrebbero essere utili in ambito cli- nico per l’estensione distale di basi protesiche parziali o totali. Kimo et al.57 hanno concluso che il raffredda- mento controllato al banco produce- va una minore contrazione termica e una minore sollecitazione sulla protesi. Uzun et al.59 hanno concluso che la fibra di vetro era superiore alle altre fibre e che migliora la resisten- za trasversale, la deflessione e l’ela- sticità. Keyf et al.60 hanno mostrato come i trattamenti superficiali e le modifiche chimiche sulle fibre di vetro potrebbero migliorare la resi- stenza e la massima deflessione della resina per protesi rinforzata con fi- bre, il che potrebbe successivamente ridurre i fallimenti clinici. Giovanni et al.61 in uno studio di circa 20 anni fa hanno ipotizzato e dimostrato che la fibra di vetro forniva risultati mi- gliori per quanto riguarda il rinforzo della resina per protesi. Secondo gli autori, anche la fibra di vetro ha pro- dotto risultati migliori rispetto alle fibre aramidiche e di nylon. 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