Results 41 to 50 of about 25,450 (269)

From energy provision to protein synthesis: Tunnelling nanotubes as mediators of intercellular metabolic cooperation in cancer

open access: yesFEBS Open Bio, EarlyView.
The cytoskeleton‐mediated transport of mitochondria via tunnelling nanotubes restores respiration, increases ATP production, rescues cells from apoptosis, activates the AKT/mTOR signalling pathway, promotes cell migration and invasiveness, contributes to cancer progression and treatment resistance.
Stanislava Martínková, Jan Trnka
wiley   +1 more source

A cone-beam computed tomographic study in complicated root canal morphology mandibular teeth for endodontic therapy

open access: yesЭндодонтия Today, 2020
We studied 229 previously obtained CBCT images. It is revealed that a incidence complicated root canal morphology of mandibular teeth (two root and two root canals in mandibular incisors, canines, premolars; C-shaped second molars and premolars) were two

doaj  

Root Canal Treatment of Mandibular Second Premolars with Three Root Canals-Report of Four Rare Cases

open access: yesBalkan Journal of Dental Medicine, 2020
Background/Aim: The aim of root canal treatment is the thorough cleaning, shaping and obturation of the root canals. Variations in root canal anatomy increase the difficulty of the root canal treatment and therefore the possibility of failure.
Molyvdas Ioannis   +2 more
doaj   +1 more source

Endodontic treatment of the mandibular first molar with six roots canals - two case reports and literature review

open access: yesЭндодонтия Today, 2020
The most common configuration of the mandibular first molar is the presence of two roots and three root canals. The objective of this work is to present two rare anatomic configurations with six root canals on two mandibular left first molars diagnosed ...
JORGE N.R. Martins, CRAIG Anderson
doaj  

K-file vs ProFiles in cleaning capacity and instrumentation time in primary molar root canals: An in vitro study

open access: yesJournal of Indian Society of Pedodontics and Preventive Dentistry, 2011
Objectives: This study compares the efficiency of manual K-files and rotary ProFiles in cleaning capacity and instrumentation time in primary molar root canals.
N Madan   +3 more
doaj   +1 more source

Electrocapillary Modulated Interfacial Tension Amplifies Liquid Metal Transduction

open access: yesAdvanced Functional Materials, EarlyView.
This study presented an electrocapillary‐enhanced magnetohydrodynamic pumping strategy that harnesses the Lorentz force and interfacial tension modulation of liquid metal droplets to achieve amplified fluidic power. The system enabled low‐voltage, self‐oscillating fluidic transduction with enhanced pressure and flow generation, supporting compact ...
Saba Firouznia   +3 more
wiley   +1 more source

Endodontic management of a permanent mandibular first molar with six canals

open access: yesSaudi Endodontic Journal, 2016
An excellent knowledge of root canal anatomy of teeth is a golden standard for the successful clinical outcome of root canal therapy. Several anatomic variations may occur in a permanent mandibular first molar.
Mohammad Ahmad Alenezi
doaj   +1 more source

Endodontic Treatment of a Maxillary First Molar with Seven Root Canals Confirmed with Cone Beam Computer Tomography – Case Report [PDF]

open access: yesJournal of Clinical and Diagnostic Research, 2014
The most common configuration of the maxillary first molar is the presence of three roots and four root canals, although the presence of several other configurations have already been reported.
Jorge N. R. Martins
doaj   +1 more source

Microsphere‐Templated Conductive Syntactic Foams for Recyclable and Additively Manufactured Soft Electronics

open access: yesAdvanced Healthcare Materials, EarlyView.
This work introduces a microsphere‐templated strategy to fabricate reprocessable PEDOT:PSS syntactic foams with tunable porosity, stable conductivity, and 3D printability. In situ PEDOT:PSS coatings create a conductive network that maintains electrical performance at high void fractions.
Gayaneh Petrossian   +7 more
wiley   +1 more source

Efficacy of Reciproc® and Profile® Instruments in the Removal of Gutta-Percha from Straight and Curved Root Canals ex Vivo

open access: yeseJournal of Oral Maxillofacial Research, 2015
Objectives: To compare the efficacy of Reciproc® (VDW GmbH) and ProFile® (Dentsply Maillefer) instruments at removing gutta-percha from straight and curved root canals ex vivo filled using the cold lateral condensation and GuttaMaster® (VDW GmbH ...
Karem Marfisi   +5 more
doaj   +1 more source

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