Results 1 to 10 of about 8,339,328 (288)

Experimental study of the effects of culture and location on single-file fundamental diagrams. [PDF]

open access: yesHeliyon, 2023
Empirical observation, controlled experiments, and pedestrian dynamics models are used to research pedestrian movement. These studies rely on single-file fundamental diagrams. Experiments were conducted in Ghana, and African students in China and Germany
Bilintoh NMD   +3 more
europepmc   +2 more sources

Quantitative Evaluation of Apically Extruded Debris in Root Canals prepared by Single-file Reciprocating and Single File Rotary Instrumentation Systems: A Comparative In vitro Study. [PDF]

open access: yesJ Pharm Bioallied Sci, 2021
Background: Prevention of the debris from extruding to the periapical region is an important aspect to be taken care of as its extrusion can result in pain, periapical inflammation, and delayed healing owing to the presence of highly infective components
Sinha S   +5 more
europepmc   +2 more sources

Efficacy of a single-file reciprocating protocol vs. a multi-file rotary protocol on the removal of gutta-percha and ceraSeal sealer from oval canals: a volumetric and active instrumentation time analysis. [PDF]

open access: yesFront Dent Med
ObjectiveTo evaluate and compare the overall efficacy and time efficiency of two complete manufacturer-recommended retreatment protocols, a single-file reciprocating protocol, Reciproc (RC), vs. a multi-file continuous rotary protocol, ProTaper Universal
Zorek A   +3 more
europepmc   +2 more sources

Entropic barrier of water permeation through single-file channels. [PDF]

open access: yesCommun Chem, 2023
Facilitated water permeation through narrow biological channels is fundamental for all forms of life. Despite its significance in health and disease as well as for biotechnological applications, the energetics of water permeation are still elusive. Gibbs
Wachlmayr J   +5 more
europepmc   +2 more sources

Single-File Water Flux Through Two-Dimensional Nanoporous Membranes. [PDF]

open access: yesNanoscale Res Lett, 2020
Recent advances in the development of two-dimensional (2D) materials have facilitated a wide variety of surface chemical characteristics obtained by composing atomic species, pore functionalization, etc.
Suk ME.
europepmc   +2 more sources

Assessment of the Performance and Surface Alteration of Two Single-file Systems According to the Number of Uses [PDF]

open access: yesBrazilian Archives of Biology and Technology, 2020
The aim of this study was to assess the performance and surface alteration of two single-file systems according to the number of uses. Ten WaveOne Primary files (25/.08) and ten One Shape NG files (25/.06) were used for instrumentation of mesial root ...
Márcia Virginia M. Porto-Pires   +3 more
doaj   +2 more sources

Comparative Evaluation of Apical Debris Extrusion from the Root Canal using Hand Files, Continuous Rotary Files and Reciprocating File System: An In-vitro Study [PDF]

open access: yesJournal of Clinical and Diagnostic Research, 2023
Introduction: Root canal preparation is an important step of endodontic therapy. For successful endodontic therapy apical extrusion of debris through the apical foramen into the periradicular region should be minimal to avoid postoperative ...
Gagandeep Singh   +5 more
doaj   +1 more source

Shaping ability of different single-file rotary systems in simulated S-shaped canals by a new investigation approach: An in vitro study

open access: yesSaudi Endodontic Journal, 2021
Introduction: The aim of this study was to compare the shaping ability of single-file nickel–titanium systems in simulated S-shaped canals. Materials and Methods: Sixty simulated S-shaped canals were photographed and 12 levels along their length were ...
Rami Kaddoura   +2 more
doaj   +1 more source

Comparative Evaluation of the Canal Shaping Ability of F6 SkyTaper, Navigator EVO and One Shape File Systems in Preparation of Curved Root Canals using Cone Beam Computed Tomography [PDF]

open access: yesJournal of Clinical and Diagnostic Research, 2021
Introduction: Knowledge on shaping ability of advanced Nickel Titanium (NiTi) rotary instruments holds a great significance in the field of endodontics. Root canal shaping systems should maintain the original canal anatomy and thereby, reduce the risk
Malvika GUPTA   +3 more
doaj   +1 more source

Quantitative evaluation of apically extruded debris during root canal preparation with reciprocating single file system, continuous rotary multiple file system and manual technique: An in vitro study

open access: yesEndodontology, 2022
Aim: The aim of the study is to evaluate and compare the quantity of apical debris extrusion from the root canals during biomechanical preparation by various rotary (reciprocating, Protaper Next [PTN] continuous) and manual hand filing system and by ...
Pratima Mohana   +6 more
doaj   +1 more source

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