Results 21 to 30 of about 115,119 (281)

Do dental bleaching sessions prior to orthodontic treatment change the bond strength of esthetic brackets?

Dental Press Journal of Orthodontics, 2021
Objective: The aim of this experimental in vitro study was to evaluate whether dental bleaching performed before orthodontic treatment change the shear bond strength (SBS) of monocrystalline and polycrystalline esthetic brackets.
Samara Gasperoni PERCIANO, Diego Patrik Alves CARNEIRO, Patricia Rafaela dos SANTOS, Américo Bortolazzo CORRER, Silvia Amélia Scudeler VEDOVELLO, Heloísa Cristina VALDRIGHI   +5 more
doaj   +1 more source

Influence of Prolonged Dental Bleaching on the Adhesive Bond Strength to Enamel Surfaces

International Journal of Dentistry, 2020
The objective of this in vitro study was to assess the influence of prolonged bleaching pre- and postrestoration on the bond strength (microshear) to enamel using 4% hydrogen peroxide (PH4).
Juliana C. P. Baia, Roberta P. Oliveira, Mara E. S. Ribeiro, Rafael R. Lima, Sandro C. Loretto, Mário H. Silva e Souza Junior   +5 more
doaj   +1 more source

Detecting 2020 Coral Bleaching Event in the Northwest Hainan Island Using CoralTemp SST and Sentinel-2B MSI Imagery

Remote Sensing, 2021
In recent years, coral reef ecosystems have been affected by global climate change and human factors, resulting in frequent coral bleaching events. A severe coral bleaching event occurred in the northwest of Hainan Island, South China Sea, in 2020.
Bailu Liu, Lei Guan, Hong Chen
doaj   +1 more source

Coral bleaching responses in Sodwana Bay, South Africa [PDF]

, 2013
This study assessed the bleaching response (BR) of coral colonies within the central reef complex in Sodwana Bay, South Africa. Bleach surveys were conducted at 16 sites on 8 reefs over the period of 2007 to 2013. A total of 12 858 coral colonies from 30
Harikishun, Ameil
core   +1 more source

Skin Bleaching Among African and Afro-Caribbean Women in New York City: Primary Findings from a P30 Pilot Study

Dermatology and Therapy, 2019
Introduction The application of skin bleaching products to inhibit melanogenesis is a common practice within the African diaspora. Despite the adverse health effects of skin bleaching, rigorous studies investigating skin bleaching behavior among these ...
Emma K. T. Benn, Richa Deshpande, Ogonnaya Dotson-Newman, Sharon Gordon, Marian Scott, Chitra Amarasiriwardena, Ikhlas A. Khan, Yan-Hong Wang, Andrew Alexis, Bridget Kaufman, Hector Moran, Chi Wen, Christopher A. D. Charles, Novie O. M. Younger, Nihal Mohamed, Bian Liu   +15 more
doaj   +1 more source

Clinical evaluation of color change and tooth sensitivity with in-office and home bleaching treatments

Indian Journal of Dental Research, 2018
Background: Among the number of vital bleaching techniques currently available to the clinicians, home bleaching and in-office bleaching are widely used in dental practice.
Athaluri Mounika, Jyothi Mandava, B Roopesh, Girish Karri   +3 more
doaj   +1 more source

Coral Bleaching Susceptibility Is Predictive of Subsequent Mortality Within but Not Between Coral Species

Frontiers in Ecology and Evolution, 2020
Marine heat waves instigated by anthropogenic climate change are causing increasingly frequent and severe coral bleaching events that often lead to widespread coral mortality.
Shayle B. Matsuda, Ariana S. Huffmyer, Elizabeth A. Lenz, Elizabeth A. Lenz, Jennifer M. Davidson, Joshua R. Hancock, Ariana Przybylowski, Teegan Innis, Ruth D. Gates, Katie L. Barott   +9 more
doaj   +1 more source

Bleaching of Wool with Sodium Borohydride [PDF]

Journal of Engineered Fibers and Fabrics, 2009
An untreated wool fabric was bleached both with sodium borohydride (SBH) in the presence of sodium bisulphite (SBS) solution and with a commercial H2O2 bleaching method.
Duygu Yilmazer, MSc., Mehmet Kanik, Ph.D.   +1 more
doaj  

Bleaching

International journal of health sciences, 2021
Aim: This review article will help clinicians improve their understanding of the history of bleaching procedures, bleaching types, components, mechanisms, and their effects on soft tissue, tooth structures, resin composite, and bonding. Methods: The controversial issues about bleaching procedures and their effects are reviewed.
Sangam Mittal, Harleen Kaur, Upneet Kaur
openaire   +2 more sources

Bleaching and microplastics: growing threats to coral reefs [PDF]

, 2022
openLa tesi si concentra sulla descrizione dei fenomeni di bleaching e di diffusione delle microplastiche, e di come rappresentino delle minacce per l'ecosistema delle barriere ...
COSTANTINI, LARA
core