The aim of the present study was to compare the porosity characteristics of AH Plus Jet(tm) syringe-mix and the conventional hand-mixed AH Plus root canal sealers by three-dimensional quantitative high-resolution micro-computed tomography (micro-CT). Seven test specimens were prepared from each tested sealer by a single operator following the manufacturer's instructions and poured into pre-lubr...

Different studies have emphasized the influence of resin canal traits in susceptibility pine trees to wood nematode (PWN) Bursaphelenchus xylophilus. Resin canals can facilitate PWN migration through stem and are involved accumulation volatile terpenes xylem response pathogen, inducing tracheid embolisms. In this work, we conducted a inoculation experiment under greenhouse conditions investigat...

Abstract The objective of this work was to measure the tooth root canals’ diameter, remnant dentin thickness, endodontic post distance, and resin-matrix cement layer after three types canal shaping. Thirty extracted human premolars were endodontically treated groups specimens divided according cementation with two different posts as follow: A) Fibio Fiberglass Post™, Anthogyr, France; B) multi-...

INTRODUCTION The aim of this in vitro study was to evaluate the setting time, flow, film thickness, solubility, radiopacity and characterization analysis of three epoxy resin based sealers including two experimental sealers and AH-26. METHODS AND MATERIALS Five samples of each material were evaluated for setting time, flow, film thickness, solubility and radiopacity according to ISO 6876 Stan...

background and aims. various factors influence the interfacial bond between the fiber posts and root canal dentin. the aim of the present study was to evaluate the effect of pre-warming of resin cement on the push-out bond strength of fiber posts to various segments of root canal dentin. materials and methods. in this in vitro study, 40 single-rooted human premolars were decoronated and underwe...

Endodontically treated teeth are known to present a higher risk of biomechanical failure than vital teeth. Complete obturation of the root canal system to the cementodentinal junction is assumed to be an important goal in endodontic treatment. The microleakage is determined today by many in vivo and in vitro techniques such as; staining, measurement by scanning electron microscope, bacterial ac...