الفهرس 
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Abstract
This study compared two novel obturation materials (GuttaFlow and InnoEndo)
with respect to their sealing ability and adaptation in curved canals. Sixty four
mesial roots were prepared using Ni-Ti Rotary files and obturated using single
cone technique, after smear layer removal. Canals were divided into four groups
(GuttaFlow, InnoEndo, RoekoSeal and AH Plus). Obturation was evaluated
radiographically, by apical dye penetration/clearing test and by cross sectioning.
Samples were photographed (stereomicroscope) and examined. Results showed
that GuttaFlow had best radiographic quality and least mean of dye penetration.
InnoEndo gave significantly highest mean of dye penetration. No significant
difference between groups regarding the existence of voids in Cross sections.