The purpose of this investigation was to compare cutting ability of a Flexofile instruments in substrate phenolic resin simulated canals blocks before and after the root canal preparation using two techniques, one were a ...

Calcium hydroxide [Ca(OH)(2)] residues in root canals may compromise sealing of filling and endodontic treatment success. The aim of this study was to compare the efficacy of using rotary instrument associated with ...

Objective: The efficiency of rotary, manual and ultrasonic root canal instrumentation techniques was investigated in proximally flattened root canals. Material and Methods: Forty human mandibular left and right central ...

The aim of this study was to assess the cleaning capacity of the Protaper system using motor-driven or manual instrumentation. Materials and Methods: Ten mandibular molars were randomly separated into 2 groups (n = 5) ...

Aim: The aim of this study was to assess the cleaning capacity of the Protaper system using motor-driven or manual instrumentation. Materials and Methods: Ten mandibular molars were randomly separated into 2 groups (n = ...

For several years the control of elemental impurities recommended in the pharmacopoeia was the colorimetric method of heavy metals. Due to the lack of selectivity, low and varied recovery, among others problems, it was ...