Results 71 to 80 of about 37,783 (209)

Evaluation of friction on self-ligating and conventional brackets associated with different types of archwires submitted to sliding mechanics

open access: yesBrazilian Journal of Oral Sciences, 2019
Aim: The aim of this study was to verify the frictional force during sliding mechanics in orthodontic tooth movement, using conventional metal brackets of the active and passive self-ligating types with stainless steel and copper nickel titanium ...
William Carlos Silva Barbosa   +5 more
doaj   +1 more source

Thermomechanical response of laser processed nickel-titanium shape memory alloy [PDF]

open access: yes, 2012
The exciting thermomechanical properties of nickel-titanium shape memory alloys have sparked significant research efforts seeking to exploit their exotic capabilities.
Daly, Matthew
core  

Ball bearings comprising nickel-titanium and methods of manufacture thereof

open access: yes, 2012
Disclosed herein is a friction reducing nickel-titanium composition. The nickel-titanium composition includes a first phase that comprises nickel and titanium in an atomic ratio of about 0.45:0.55 to about 0.55:0.45; a second phase that comprises nickel ...
Glennon, Glenn N.   +1 more
core  

Microstructural investigations of laser welded dissimilar Nickel-Titanium-steel joints

open access: yes, 2009
Nickel-titanium based shape memory alloys are used in a variety of applications. These applications desire joining techniques that provide only local degradation of the functional properties and are compatible to the special mechanical properties of ...
W. Theisen, H. Gugel
core   +1 more source

Retreatment with Nickel-Titanium Rotary Instruments

open access: yes, 2014
Nickel-titanium rotary instrument systems are used widely in endodontic practice. The clinical success of these systems have been shown in many studies. Retreatment is the one of the most challenging endodontic treatment procedures.
YILMAZ, Ayça, YİĞİT, DİLEK
core  

The comparative characteristic of disposable rotary nickel-titanium files on the basis of cyclic fatigue and the microscopic analysis

open access: yesЭндодонтия Today, 2020
The problem of a technique of surgical processing of system of root channels remains actual in therapeutic dentistry. Emergence single nickel - titanium rotating tools in dentistry allows to reduce probability of their separation in the root channel.

doaj  

Investigation of Flow Parameters for Titanium Cold Spraying using CFD Simulation

open access: yes, 2010
A comprehensive study of cold gas dynamic spray technology is required for optimising performance and gun design for spraying various materials. Cold spraying technology is a new technique in industry and very limited data is available.
Singh, Tejinder
core  

Effects of Laser Pulse Duration on Pulse Laser Micro Polishing

open access: yes, 2012
Pulsed laser micro polishing (PL?P) has been shown to be an effective method of polishing micro metallic parts whose surface roughness can approach the feature size.
Li, Xiaochun   +4 more
core  

Comparing the efficacy of different archwire materials in accelerating orthodontic tooth movement

open access: yesJournal of Pharmacy and Bioallied Sciences
Background: Orthodontic treatment is commonly used to correct misaligned teeth and improve dental aesthetics and function. Archwires play a crucial role in this treatment by exerting forces on teeth, prompting them to shift into desired positions ...
Mohammad K Alam   +3 more
doaj   +1 more source

Comparison of metal ions release and corrosion potential from different bracket archwire combinations (An in vitro study)

open access: yesJournal of Baghdad College of Dentistry, 2014
Background: Esthetic treatment is the options of patient seeking orthodontic treatment. Therefore this study was conducted to measure the concentration of Aluminum, Nickel, Chromium and Iron ions released from combination of monocrysralline brackets with
Asmaa M Khamees, Sami K Al-Joubori
doaj  

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