Coronal leakage along apical root fillings after immediate and delayed post space preparation.
作者： B. Fan , M.-K. Wu , P. R. Wesselink
DOI: 10.1111/J.1600-9657.1999.TB00768.X
关键词: Coronal plane 、 Leakage (electronics) 、 Dentistry 、 Materials science 、 Root canal 、 Fluid transport
摘要: — The seal provided by a full-length root canal filling may be compromised post space preparation. Eighty human man-dibular premolars each with single were obturated laterally condensed gutta-percha cones and sealer. Immediate preparation was carried out on half the number of teeth delayed remaining 40 teeth. Leakage along apical fillings determined using fluid transport device under head pressure 30 kPa (0.3 atm). More leakage found after than immediate (P= 0.0059).
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