Results 21 to 30 of about 148,501 (242)
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 +5 more
doaj +1 more source
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 +15 more
doaj +1 more source
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 +3 more
doaj +1 more source
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 +9 more
doaj +1 more source
The 27–year decline of coral cover on the Great Barrier Reef and its causes [PDF]
This study investigates the spatial and temporal dynamics of coral cover, identifies the main drivers of coral mortality, and quantifies the rates of potential recovery of the Great Barrier Reef.The world’s coral reefs are being degraded, and the need to
Glenn De' +3 more
core +3 more sources
Porites superfusa mortality and recovery from a bleaching event at Palmyra Atoll, USA. [PDF]
BackgroundThe demography of a coral colony is not a binary trajectory of life and death. Based on the flexibility afforded by colonial organization, most reef-building corals employ a variety of dynamic survival strategies, including growth and shrinkage.
Furby, Kathryn Anne +2 more
core +8 more sources
Bleaching of Wool with Sodium Borohydride [PDF]
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. +1 more
doaj
Borneo coral reefs subject to high sediment loads show evidence of resilience to various environmental stressors [PDF]
For reefs in South East Asia the synergistic effects of rapid land development, insufficient environmental policies and a lack of enforcement has led to poor water quality and compromised coral health from increased sediment and pollution.
Braoun, Christina +4 more
core +1 more source
Evaluating the Whitening and Microstructural Effects of a Novel Whitening Strip on Porcelain and Composite Dental Materials. [PDF]
AimsThe aim of this project was to evaluate the effects of 2 different whitening strips on color, microstructure and roughness of tea stained porcelain and composite surfaces.Methods54 porcelain and 72 composite chips served as samples for timed ...
Anbarani, Afarin +5 more
core +2 more sources
EFFECT OF İN-OFFİCE BLEACHİNG ON THE SURFACE ROUGHNESS OF DİFFERENT COMPOSİTE RESİNS
Objective: The aim of this study is to investigate the effect of a high concentration hydrogen peroxide bleaching agent on the surface roughness of four different composite resins.
Ozden Ozel Bektas, Seher Kaya
doaj +1 more source

