Adherence of Streptococcus mutans to Fiber-Reinforced Filling Composite and Conventional Restorative Materials
作者： Lippo V.J Lassila , Sufyan Garoushi , Johanna Tanner , Pekka K Vallittu , Eva Söderling
DOI: 10.2174/1874210600903010227
关键词:
摘要: Objectives. The aim was to investigate the adhesion of Streptococcus mutans (S. mutans) a short glass fibers reinforced semi-IPN polymer matrix composite resin. effect surface roughness on also studied. For comparison, different commercial restorative materials were evaluated. Materials and Methods. Experimental FC resin prepared by mixing 22.5 wt% E-glass fibers, IPN-resin 55 silane treated silica fillers using high speed machine. Three direct resins (Z250, Grandio Nulite), resin-modified ionomers (Fuji II LC), amalgam (ANA 2000), fiber-reinforced (FRC) (everStick Ribbond), pre-fabricated ceramic filling insert (Cerana class 1) tested in this study. Enamel dentin used as controls. specimens (n=3/group) with or without saliva incubated suspension S. allowing initial occur. enumeration cells disc surfaces colony forming units (CFU) vials microbe samples thoroughly Vortex-treated after serial dilutions grown anaerobically for 2 days at +37°C Mitis salivarius agars (Difco) containing bacitracin. Bacterial evaluated scanning electron microscopy. Surface (Ra) determined profilometer. All results statistically analyzed one-way analysis variance (ANOVA). Results. Composite other showed similar mutans, while enamel significantly higher (p<0.05). had no bacterial adhesion. Saliva coating decreased all Ra value than control groups Conclusions. Short revealed materials.
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