Color stability of esthetic coatings applied to nickel-titanium archwires
نویسندگان
چکیده
منابع مشابه
Color stability and fluorescence of different orthodontic esthetic archwires.
OBJECTIVE To evaluate the color stability of six esthetic archwires at different time periods and their fluorescence. MATERIALS AND METHODS Samples were evaluated after 7, 14, and 21 days of immersion in staining solution. Color measurements were performed by means of a spectrophotometer according to the Commission Internationale de I'Eclairage L*a*b* system, and color changes (ΔE*) and Natio...
متن کاملMechanical Properties of Copper-Nickel-Titanium Archwires
MECHANICAL PROPERTIES OF COPPER-NICKEL-TITANIUM ORTHODONTIC WIRES Margaret Rosen, D.M.D. Marquette University, 2016 Introduction: The initial phase of orthodontic therapy relies on flexible wires, usually composed of a nickel-titanium alloy, to apply a substantially constant load during tooth movement. Copper has been added to nickel-titanium archwires, resulting in an alloy with potential clin...
متن کاملTransition temperature range of thermally activated nickel-titanium archwires
OBJECTIVES The shape memory resulting from the superelasticity and thermoelastic effect is the main characteristic of thermally activated NiTi archwires and is closely related to the transition temperature range (TTR). The aim of this study was to evaluate the TTR of thermally activated NiTi archwires commercially available. MATERIAL AND METHODS Seven different brands of 0.019" x 0.025" therm...
متن کاملThe Mechanical Effects of Flaming Nickel-Titanium Orthodontic Archwires
Objective: To assess the mechanical effects of nickel-titanium orthodontic archwire flaming and their distribution along the wire. Methodology: Two sizes of pre-formed austenitic nickel-titanium archwires were tested (n=10). The terminal 5mm of each wire was heated for five seconds using a butane lighter. Micro-hardness testing was used to determine the heat-affected zone for all wires. Cantile...
متن کاملSurface characteristics of retrieved coated and nickel-titanium orthodontic archwires.
OBJECTIVE The purpose of this study was to investigate the effects of oral fluids and archwire-bracket friction on the surface characteristics of NiTi alloy orthodontic archwires with/without aesthetic coating, in vivo for 2-3 months. MATERIALS AND METHODS Different cross-sections of NiTi Archwires (DENTSPLY GAC International) and Titanol Cosmetic Archwires (FORESTADENT® USA Inc.) were examin...
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ژورنال
عنوان ژورنال: Revista de Odontologia da UNESP
سال: 2017
ISSN: 1807-2577
DOI: 10.1590/1807-2577.02317