In Vitro Microbial Leakage of Endodontically Treated Teeth Using New and Standard Obturation Techniques
作者： G SHIPPER , M TROPE
DOI: 10.1097/00004770-200403000-00007
关键词: Materials science 、 Leakage (electronics) 、 Obturation technique 、 Coronal plane 、 Random allocation 、 Dentistry 、 Periodontitis 、 Apical plug 、 Root Canal Filling Materials
摘要: Coronal microbial leakage is an important cause of apical periodontitis and thus should be prevented if possible. The purpose this study was to compare new standard obturation techniques over a 30-day period. A split chamber model used in which Streptococcus mutans placed the upper could reach lower only through obturated canal. Leakage assessed every day for 30 days. One hundred forty single-rooted human teeth were study, equally between lateral, vertical, Obtura II condensation; SimpliFill with FibreFill; combination FibreFill SimpliFill. Cochran-Mantel-Haenszel row mean score statistics showed high statistical significance when all groups compared (p < 0.0001). Microbial occurred more quickly lateral vertical condensation techniques. plug gutta-percha coronal seal best technique (SimpliFill-FibreFill group).
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