Results 121 to 130 of about 343,283 (222)

3D Slot Roughness Evaluation Of Novel Orthodontic Brackets With Two Commercial Brackets (An İn-Vitro Study)

open access: yesEurasian Journal of Science and Engineering
The purpose of the study is to evaluate the roughness of the new E-max brackets with two commercially available ceramic brackets in the markets. The bracket roughness of three different types was compared. The brackets were divided into three groups: (1)
Omar Sabah, Isra Dilshad, Sana Rizgar
doaj   +1 more source

Micro/Nanoscale Acoustic Manipulation: From Particle Control to Autonomous Microswimmers

open access: yesAdvanced Science, Volume 13, Issue 55, 5 October 2026.
This conceptual framework illustrates acoustic technology as a multifunctional platform enabling passive particle manipulation across scales and autonomous propulsion of microswimmers. ABSTRACT Acoustic manipulation and propulsion technologies have emerged as powerful platforms for micro/nanoscale control, enabled by their non‐contact operation, label ...
Jiahui Chu   +4 more
wiley   +1 more source

Biogeochemical, sedimentological and dinoflagellate‐based reconstruction of the Holocene palaeoenvironment of the east Limfjord, Denmark

open access: yesBoreas, Volume 55, Issue 4, Page 1055-1072, October 2026.
To assess how the eastern part of the Limfjord system has changed over the Holocene, relative to the wider Limfjord and western Baltic region, a sedimentary succession spanning c. 9600–150 cal. a BP was collected from Nibe Bredning, near Sebbersund, from a shallow coastal inlet along the eastern connection between the Limfjord and the Kattegat (north ...
Gabriella M. Weiss   +5 more
wiley   +1 more source

Waste Loading and Durability of Calcium Aluminosilicate Glasses for Immobilization of Plutonium‐Contaminated Material

open access: yesInternational Journal of Applied Glass Science, Volume 17, Issue 4, October 2026.
ABSTRACT Calcium aluminosilicate (CAS) glass was assessed for its ability to immobilize elements present in Plutonium‐Contaminated Materials (PCM) including metals (Fe and Cr), polyvinyl chloride (PVC), and Pu (investigated using the nonradioactive surrogates Ce and Hf).
D. Parkes   +8 more
wiley   +1 more source

An In Vitro Study Comparing Debonding of Orthodontic Ceramic and Metal Brackets Using Er:YAG Laser and Conventional Pliers

open access: yesApplied Sciences
Removing orthodontic brackets often presents clinical challenges, as it may cause patient discomfort, bracket fracture, or enamel damage resulting from strong adhesive bonds.
Aous Abdulmajeed   +3 more
doaj   +1 more source

Debonding of the orthodontic brackets; is diode laser a safer method? Experimental invitro study

open access: yesBMC Oral Health
Bracket debonding remains a clinical challenge in orthodontics, particularly when removing ceramic brackets, due to the potential risk of enamel cracks and surface damage. Recently, laser-assisted techniques have been investigated to facilitate safer and
Eman M. Salem, S. M. Khattab
doaj   +1 more source

Evaluation of friction of ceramic brackets in various bracket-wire combinations

open access: yes, 2006
The purpose of this study was to measure and compare the level of frictional resistance generated from three currently used ceramic brackets; 1, Crystaline V^(®), Tomy International Inc., Tokyo, Japan; 2, Clarity^(®), 3M Unitek, Monrovia, CA, USA; 3 ...
차정열, 황충주
core  

Clinical Debonding Simulation Study of One Metal and Two Ceramic Brackets [PDF]

open access: yes, 1999
The purpose of this study is to compare two mechanical debonding methods on ceramic brackets (TP MXi and 3M Clarity) and a metal bracket (GAC OmniArch) with four different bonding materials (light-cured, one-step chemical-cured, two-step chemical-cured ...
Shim, Hyunsup
core  

The Fracture Strength of Ceramic Brackets : An Update and Comparison [PDF]

open access: yes, 1991
The purpose of this study was to compare the fracture strength of ceramic brackets which are currently on the market with ceramic brackets tested in a previous study at Loma Linda. Fracture strengths of standard edgewise ceramic brackets vs.
Manley, Christian P.
core  

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