Category: Dental Materials

Comparison of Conventional and New-generation Nickel-Titanium Files in Regard to Their Physical Properties

By Dr. Barry H. Korzen | Posted November 21, 2014

Tsujimoto et al report on their research that tested the hypothesis “that the new-generation NiTi file materials would be superior in cyclic fatigue resistance compared with conventional materials.”

Particle Size Changes in Unsealed Mineral Trioxide Aggregate Powder

By Dr. Barry H. Korzen | Posted February 25, 2014

Contrary to manufacturers’ instructions clinicians who purchase MTA in commonly available 1 gram bottles will use the material over multiple applications.This study assessed changes in MTA particle size distribution once the packaging had been opened. The authors concluded that “smaller particles have a greater predisposition to absorb moisture.” and advised the use of single-use systems.