Results 21 to 30 of about 14,084 (203)

Effect of Sodium Fluoride Mouthwash on the Frictional Resistance of Orthodontic Wires [PDF]

open access: yesFrontiers in Dentistry, 2017
Objectives: The friction between the brackets and orthodontic wire during sliding mechanics inflicts difficulties such as decreasing the applied force and tooth movement and also the loss of anchorage.
Allahyar Geramy   +2 more
doaj   +1 more source

Comparison of the fracture resistance of the teeth prepared with ProTaper Universal, ProTaper Next, and ProTaper Gold rotary files

open access: yesClinical and Experimental Dental Research, Volume 8, Issue 6, Page 1421-1425, December 2022., 2022
Abstract Objectives Root canal preparation can lead to cracks on the roots by creating stresses on the root canal walls, which decreases the fracture resistance of the tooth. The present study compared the fracture resistance of the teeth prepared by the ProTaper Universal (PTU), ProTaper Next (PTN), and ProTaper Gold (PTG) rotary file systems ...
Amin Salem Milani   +4 more
wiley   +1 more source

NiTi WIRES FOR ORTHODONTIC APPLICATION [PDF]

open access: yesLe Journal de Physique IV, 1991
In order to characterize NiTi orthodontic wires microstructure, transformation temperatures, and deformation behaviour have been investigated. Various states of dislocation density were established by additional heat treatment of a work hardened material.
Thier, M.   +3 more
openaire   +3 more sources

Impact of Simulated Gastric Acid on Surface Roughness and Frictional Resistance of Orthodontic Archwires: An In vitro Study [PDF]

open access: yesJournal of Clinical and Diagnostic Research, 2020
Introduction: Acid regurgitation caused by gastro-oesophageal reflux disease can lead to decreases in intraoral pH below the critical pH for orthodontic appliances.
Laila Baidas   +4 more
doaj   +1 more source

Direct and indirect effects of different dentifrices on the initial bacterial colonization of enamel in situ overnight

open access: yesInternational Journal of Dental Hygiene, Volume 21, Issue 1, Page 178-187, February 2023., 2023
Abstract Objective The aim of this study was to investigate the direct and indirect influence of fluoridated toothpastes and fluoride‐free toothpaste with hydroxyapatite (HAP) as active ingredient on initial bacterial colonization on enamel in situ. Methods For this clinical‐experimental pilot study, eight subjects were instructed to brush their teeth ...
Tobias Rosenauer   +5 more
wiley   +1 more source

Evaluation of zinc-oxide nanocoating on the characteristics and antibacterial behavior of nickel-titanium alloy

open access: yesDental Press Journal of Orthodontics, 2020
Objective: To investigate the effect of ZnO nanocoating on mechanical properties of NiTi orthodontic wires and antibacterial activity. Methods: 0.016 x 0.022-in NiTi orthodontic wires were coated with ZnO nanoparticles using an electrochemical ...
Shaza M. Hammad   +3 more
doaj   +1 more source

The Eulerian buckling test for orthodontic wires [PDF]

open access: yesThe European Journal of Orthodontics, 2008
Orthodontic treatment is mainly dependent on the loads developed by metal wires. The load developed by a buckled orthodontic wire is of great concern for molar distalization and cannot be simply derived from mechanical properties measured through classical tests (i.e. tensile, torsion, and bending).
De Santis R   +5 more
openaire   +5 more sources

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