نتایج جستجو برای: bioactive glass 58s
تعداد نتایج: 101598 فیلتر نتایج به سال:
BACKGROUND Bacteria have long been recognized as the primary etiology for pulpal and periapical lesions, which necessitates the elimination of bacteria from the root canal system. In primary teeth, irrigation and debridement is the main protocol required to disinfect the canal. Biomechanical preparation cannot be vigorously done on the primary teeth due to anatomical barrier such as thin and fl...
PURPOSE In our previous study, Ag+-loaded TiO2 and Ag+-loaded SiO2 coatings for tracheal intubation were prepared to prevent ventilator-associated pneumonia (VAP), but the antimicrobial targets and the underlying mechanisms of TiO2 and Ag-TiO2 (Ag+) are still unclear. We attempted to elucidate the antimicrobial activity and potential mechanisms against Staphylococcus aureus. METHODOLOGY The s...
INTRODUCTION Recent advances in dental materials have led to the production of smart materials. Recently, addition of bioactive materials to glass-ionomer cements has resulted in new capabilities beyond the beneficial effects of fluoride release. This in vitro study compared the flexural strengths (FS) of a resin-modified glass-ionomer containing bioactive glass (RMGIBAG) with that of a commonl...
In this research, sol-gel bioactive glass in SiO2 �-P2O5 ? CaO - Na2O system using common nitrate precursors was investigated. Some parameters like water/alcohol/TEOS ratio, type of catalyst (acid or alkali) and temperature of heat treatment were also studied. Various precursors such as acetates, carbonates and chlorides were utilized to introduce Ca and Na in glass composition. Characterizatio...
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