The aim of this study was to compare the vertical fracture resistance of roots obturated with different root canal filling materials and sealers. Crowns of 55 extracted mandibular premolar teeth were removed to provide root lengths of 13 mm. Five roots were saved as negative control group (canals unprepared and unfilled). Fifty root canals were instrumented and then five roots were saved as pos...

Three bioceramic sealers (EndoSequence BC sealer, EndoSeal MTA, and MTA Fillapex) and three epoxy resin-based sealers (AH-Plus, AD Seal, and Radic-Sealer) were tested to evaluate the physicochemical properties: flow, final setting time, radiopacity, dimensional stability, and pH change. The one-way ANOVA and Tukey's post hoc test were used to analyze the data (P = 0.05). The MTA Fillapex sealer...

Abstract:
 Introduction: Bioceramic technology has been introduced recently in endodontics to benefit from the hydroxyapatite formation during setting reaction presence of tissue fluid and establish a chemical bond at dentin interface.
 Aim: To compare physiochemical properties (pH changes, releasing elements solubility) different newer sealer (Ceraseal) with mineral trioxide aggregat...

The ability of apatite to form on the surface of biomaterials in simulated body fluid (SBF) has been widely used to predict the bone-bonding ability of bioceramic and bioceramic/polymer composites in vivo. Porous β-tricalcium phosphate/poly(L-lactic acid) (β-TCP/PLLA) composite scaffold was synthesized by new method. The ability of inducing calcium phosphate (Ca-P) formation was compared in sta...

Designing tissue engineering scaffolds with the required mechanical properties and favourable microstructure to promote cell attachment, growth and new tissue formation is one of the key challenges facing the tissue engineering field. An important class of scaffolds for bone tissue engineering is based on bioceramics and bioactive glasses, including: hydroxyapatite, bioactive glass (e.g. Biogla...

Objectives Cage design and material properties play a crucial role in the long-term results, since interbody fusions using intervertebral cages have become one of the basic procedures in spinal surgery. Our aim is to design a novel Apatite-Wollastonite interbody fusion cage and evaluate its biomechanical behavior in silico in a segmental spinal model. Materials and Methods Mechanical properti...

introduction : the purpose of this study was to assess the effect of different irrigation protocols for smear layer removal on the bond strength of endosequence bc sealer, a new bioceramic sealer, to root canal dentin. materials and methods : the middle third of forty-four extracted human teeth were sectioned horizontally to obtain 128 dentin disks. after standardization of canal spaces, dentin...

introduction: this study compared the apical sealing ability of a bioceramic based root canal repair filling material (iroot fs) with mineral trioxide aggregate (mta). methods and materials: forty single-canal teeth were prepared and randomly divided into two experimental groups ( n =18) and two control groups ( n =2). teeth in experimental groups were retrofilled with either mta or iroot fs. a...

Abstract In this paper was synthesized a bioceramic material based on calcium and phosphorus. Also, the effect of synthesis parameters structure properties obtained powders has been studied. sense, stirring speed aging time precipitates, in case some hydroxyapatite powders, are The results show products with desired characteristics, terms composition analyzed powders.