Results 1 to 10 of about 37,783 (209)

Effect of Topical Fluoride on Surface of Cast Titanium and Nickel-Chromium: An In Vitro Study

open access: yesFrontiers in Dentistry, 2016
Objectives: The aim of this in-vitro study was to evaluate the effect of topical fluoride on surface of cast titanium and nickel-chromium. Materials and Methods: Thirty-nine rectangular specimens of titanium (grade 2) and 39 rectangular specimens of ...
Gayatri Sheena Suvarna   +2 more
doaj   +1 more source

An Update on Nickel-Titanium Rotary Instruments in Endodontics: Mechanical Characteristics, Testing and Future Perspective—An Overview

open access: yesBioengineering, 2021
Since the introduction of Nickel-Titanium alloy as the material of choice for the manufacturing of endodontic rotary instruments, the success rate of the root canal therapies has been significantly increased.
Alessio Zanza   +5 more
doaj   +1 more source

Experimental Research on Biomedical Titanium Coating Corrosion Effects

open access: yesChemical Engineering Transactions, 2017
The NiTi shape memory alloy sample is subjected to a plasma spraying technique to form a layer of 400 um thick titanium coating on its surface. The corrosion resistance of the samples can be compared by the electrochemical measurement in the simulated ...
Sun Shangqi, Liu Xiang
doaj   +1 more source

Elasticity and Plasticity Behaviors of the Orthodontic Arch Wires [PDF]

open access: yesAl-Rafidain Dental Journal, 2011
Aims: To evaluate the mean value and compare the: elasticity and plasticity of the Nickel Titanium and Elgilloy arch wires after emersion in artificial saliva for one , two and four weeks.
Hussain A Obaidi , Sarmad S Al-Qassar
doaj   +1 more source

A Sımple Two Archwıre System For The Alıgnment Of Malposıtıoned Teeth

open access: yesTurkish Journal of Orthodontics, 2000
A fixed appliance two archwire system using either two nickel titanium archwires or a nickel titanium archwire and a stainless steel archwire to align teeth significantly displaced from the line of the arch is described.
R.H.A. Samuels, S.J. Rudge
doaj   +1 more source

Sleeve push technique: A novel method of space gaining

open access: yesContemporary Clinical Dentistry, 2018
Space gaining is frequently required in orthodontics. Multiple loops were initially used for space gaining and alignment. The most common used mechanics for space gaining is the use of nickel–titanium open coil springs.
Sanjeev Verma   +4 more
doaj   +1 more source

Effects of different sterilization methods on orthodontic wires: An In Vitro study

open access: yesJournal of Pharmacy and Bioallied Sciences
Objective: The purpose of this study was to determine the effect of common methods of sterilization on the tensile strength of Beta titanium, Stainless steel, Australian Stainless steel, Copper Nickel-Titanium, and Nickel-Titanium wires. It also aimed to
Sharnjeet Kaur   +5 more
doaj   +1 more source

Corrosion of stainless steel, nickel-titanium, coated nickel-titanium, and titanium orthodontic wires.

open access: yesThe Angle orthodontist, 1999
Orthodontic wires containing nickel have been implicated in allergic reactions. The potential for orthodontic wires to cause allergic reactions is related to the pattern and mode of corrosion with subsequent release of metal ions, such as nickel, into the oral cavity.
H, Kim, J W, Johnson
openaire   +1 more source

Microstructure, mechanical properties and intermetallic compounds formation in electron beam welding of Nitinol to Ti6Al4V

open access: yesMaterials Research Express
Dissimilar welding of Nickel and Titanium alloys is crucial for high performance applications, yet possess several challenges because of disparate metallurgical properties.
Qazi Muhammad Yaseen   +3 more
doaj   +1 more source

THE EFFECT OF ENVIRONMENTAL FACTORS ON ELASTOMERIC CHAINS AND NICKEL TITANIUM COIL SPRINGS

open access: yesRUDN Journal of Medicine, 2017
It is well known that elastomers exhibit viscoelasticity and as such have their mechanical properties modified by temperature. Nickel titanium archwires are also affected by temperature and have been modified with specific temperature related properties ...
A N Shaddud, T F Kosyreva
doaj   +1 more source

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