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Full-Text Articles in Medicine and Health Sciences
Effects Of Blood Contamination On Chemical Composition And Ion Releasing Of Calcium Silicate-Based Materials, Nareerat Thanavibu
Effects Of Blood Contamination On Chemical Composition And Ion Releasing Of Calcium Silicate-Based Materials, Nareerat Thanavibu
Chulalongkorn University Theses and Dissertations (Chula ETD)
This study assessed the effects of blood contamination on the chemical composition and ion release of calcium silicate-based materials. ProRoot MTA (WMTA), Biodentine and TotalFill BC RRM putty (TRRM) were investigated. Materials were exposed to blood (blood-contaminated condition) or normal saline (non-blood-contaminated condition) for 24 hours. Three samples of each group were analysed for chemical composition using X-ray diffractometer and an energy-dispersive X-ray spectoscope with a scanning electron microscope after immersed in phosphate-buffered saline for 1, 7, 14 and 28 days. Five samples of each group were used to measure pH and ion release using a pH meter and inductively …
Effectiveness Of Different Root Canal Disinfection Protocols On The Reduction Of Bacteria In Large Root Canals, Parnwad Sasanakul
Effectiveness Of Different Root Canal Disinfection Protocols On The Reduction Of Bacteria In Large Root Canals, Parnwad Sasanakul
Chulalongkorn University Theses and Dissertations (Chula ETD)
Introduction: The aims of this study were to evaluate the effectiveness of disinfection methods and determine the most promising irrigation protocol for regenerative endodontics in teeth with large root canals. Methods: Sterilized root samples with 0.8-mm wide apical foramen (n=94) were prepared from human mandibular premolars. Ninety-two samples were infected with E. faecalis for 21 days and biofilm formation was verified using scanning electron microscopy (n=2). The 90 infected samples were randomly assigned into 9 groups: no intervention (initial), 1.5% NaOCl irrigation (1.5N), 2.5% NaOCl irrigation (2.5N), 1.5N + intermittent passive ultrasonic irrigation (PUI), 1.5N + intermittent canal brushing with …