Effect of nanosized bioactive glass addition on some physical properties of biodentine.

The aim of this in vitro study was to investigate some physical properties of Biodentine (BD) (Septodont, France) that has been modified by adding nanosized bioactive glass (nBG) particles to it in different ratios. The cement was modified by adding 1% (7 mg) and 2% (14 mg) nBG powder to BD. BD was used as the control group in its commercial form.

Comparison of cytotoxic effects of calcium silicate-based materials on human pulp fibroblasts Mehmet.

This study aimed to compare the in vitro cytotoxicity of Theracal LC, BiodentineTM, iRoot BP Plus, and MTA Angelus on human pulp fibroblasts (HPF). Fifteen discs from each calcium silicate-based material were prepared in sterile Teflon molds. After setting, the fabricated discs were eluated with a culture medium for 24 h.

Fracture resistance of roots enlarged with various rotary systems and obturated with different sealers.

This in vitro study compared the fracture resistance of roots instrumented either with ProTaper or One Shape rotary systems and filled with one of the silicate, epoxy resin or silicone-based sealers. Sixty single-rooted extracted mandibular premolars were decoronated to a length of 13 mm and then randomly divided into two main groups (n=30) in terms of the rotary system used for preparation. Group 1 samples were instrumented with the ProTaper Universal system up to a master apical file of #F2, while samples in group 2 were enlarged with One Shape system.

Effects of fruit vinegars on root dentin microhardness and roughness.

Aims: The aim of this study was to evaluate the effects of newly proposed irrigants; the pomegranate, apple cider, and grape vinegars in comparison with contemporary irrigants; sodium hypochlorite (NaOCl), chlorhexidine gluconate (CHX), and octenidine-hydrochloride (OCT) on microhardness and surface roughness of human root canal dentin.

Subjects And Methods: The crowns of the 105 mandibular incisor teeth were removed, and roots were separated longitudinally. Root halves were embedded in acrylic-resin and were ground flat.

Effects of four novel root-end filling materials on the viability of periodontal ligament fibroblasts.

Objectives: The aim of this study was to evaluate the biocompatibility of newly proposed root-end filling materials, Biodentine, Micro-Mega mineral trioxide aggregate (MM-MTA), polymethylmethacrylate (PMMA) bone cement, and Smart Dentin Replacement (SDR), in comparison with contemporary root-end filling materials, intermediate restorative material (IRM), Dyract compomer, ProRoot MTA (PMTA), and Vitrebond, using human periodontal ligament (hPDL) fibroblasts.

Materials And Methods: Ten discs from each material were fabricated in sterile Teflon molds and 24-hour eluates were obtained from each root-end filling material in cell culture media after 1- or 3-day setting. hPDL fibroblasts were plated at a density of 5 × 10/well, and were incubated for 24 hours with 1:1, 1:2, 1:4, and 1:8 dilutions of eluates.