Results 11 to 20 of about 1,807,800 (145)

Nickel–Titanium Rotary Instruments: Mechanical and Metallurgical Characteristics

open access: yesClinics and Practice, 2022
During the last two decades, the field of the nickel–titanium (NiTi) rotary instruments has been thoroughly changed by the latest, exciting innovations in both manufacturing technologies and the knowledge of their mechanical performance [...]
Alessio Zanza   +2 more
doaj   +2 more sources

Fracture of rotary nickel titanium instruments

open access: yesJournal of Oral Research and Review, 2017
With the advent of rotary nickel titanium (NiTi) instruments, preparation of curved canals have become easy but chances of instrument separation have increased.
Rajendra Kumar Tewari   +4 more
doaj   +2 more sources

Changes in the crystal lattice of nickel-titanium endodontic instruments as a result of autoclaving [PDF]

open access: yesЭндодонтия Today, 2020
Aim. Determine the nature of the changes of the crystal lattice of nickel-titanium instruments Protaper Universal in the process of repeated autoclaving based on the results to conclude about the influence of multiple sterilization on the characteristics
Z. S. Khabadze   +6 more
doaj   +2 more sources

The advantage using Ni - Ti rotary instruments as the smoothness of one-third apical root canal wall [PDF]

open access: yesPadjadjaran Journal of Dentistry, 2014
Canal wall preparation achieved by smoothness. Objective of this study to determine smoothness differences of nickel-titanium manual instruments compared with nickel-titanium rotary instruments in apical third region canal wall.
Badi Soerachman   +2 more
doaj   +2 more sources

Conditioning of root canal anatomy on static and dynamics of nickel-titanium rotary instruments [PDF]

open access: yesGiornale Italiano di Endodonzia, 2015
Aim: Aim of this study is to analyze the real movement, influenced by anatomical difficulties, of nickel-titanium rotary instruments within root canal systems; then the objective is to point out the physical and geometrical characteristics of an ideal ...
Italo Di Giuseppe   +4 more
doaj   +2 more sources

CLINICAL AND EXPERIMENTAL STUDY OF ROTARY NICKEL TITANIUM ENDODONTIC INSTRUMENTS [PDF]

open access: yesКубанский научный медицинский вестник, 2016
A wide range of rotating nickel-titanium instruments on the dental market where manufacturers provide only exemplary resource mechanical tools conventionally dividing them into reusable and disposable, thus, does not give advice on operation time and ...
A. A. Adamchik, F. M. Laypanova
doaj   +1 more source

Cyclic Fatigue Resistance of Heat-Treated Nickel-Titanium Instruments. [PDF]

open access: yesIran Endod J, 2018
Introduction: This study compared the cyclic fatigue resistance (CFR) of new instruments manufactured by heat-treated nickel-titanium wire. Methods and Materials: Ninety-six new instruments from HyFlex CM (HF), Edge File (EF), Pro Design S (PDS/L) and ...
Tanomaru-Filho M   +5 more
europepmc   +2 more sources

Cyclic Fatigue Testing of Three Different Rotary Nickel Titanium Endodontic Instruments in Simulated Curved Canals - An In-Vitro SEM Analysis [PDF]

open access: yesJournal of Clinical and Diagnostic Research, 2014
Introduction: Instrument separation is a serious concern in endodontics. Stainless steel instruments usually deform before they separate whereas Nickel Titanium instruments do not show any sign of deformation.
Pallavi Reddy Y.   +2 more
doaj   +1 more source

The Effects of Two Root Canal Irrigants and Different Instruments on Dentin Microhardness ( In Vitro Study) [PDF]

open access: yesAl-Rafidain Dental Journal, 2011
Aims: To measure the microhardness of root canal dentin using two types of irrigating solutions( 0.2% Chlorhexidine and 5.25% Sodium Hypochlorite) with and with out use of different types of root canal files (Stainless Steel-K files, Nickel-Titanium K ...
Wiaam MO AL-Ashou
doaj   +1 more source

Relation between laboratory cantilever bending test and finite element analysis of five different nickel-titanium rotary instruments

open access: yesBulletin of the National Research Centre, 2020
Background Flexibility during bending is a critical feature that influences the performance and safety of endodontic nickel-titanium rotary instruments. Flexibility of the endodontic files could be assessed via laboratory test or indicated theoretically ...
Amira Galal Ismail   +4 more
doaj   +1 more source

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