CAD/CAM milled complete removable dental prostheses: An in vitro evaluation of biocompatibility, mechanical properties, and surface roughness.
作者： Murali SRINIVASAN , Harald GJENGEDAL , Maria CATTANI-LORENTE , Mira MOUSSA , Stéphane DURUAL
DOI: 10.4012/DMJ.2017-207
关键词:
摘要: This study compared the biocompatibility, mechanical properties, and surface roughness of a pre-polymerized polymethyl methacrylate (PMMA) resin for CAD/CAM complete removable dental prostheses (CRDPs) traditional heat-polymerized PMMA resin. Two groups substrates [Control (RC): conventional PMMA; Test (RA): PMMA] were fabricated. Human primary osteoblasts mouse embryonic-fibroblasts cultured biocompatibility assays. Mechanical properties compared. ANOVA revealed no difference between in RA demonstrated higher elastic modulus (p=0.002), young's plastic energy ultimate strength (p=0.0004), yield point (p=0.016), strain at (p=0.037), toughness (p<0.0001); while RC displayed (p<0.0001). Laser profilometry concluded rougher profile (p<0.0001) RA. that tested was equally biocompatible presented with improved than used fabrication CRDPs.
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