Results 111 to 120 of about 12,761 (261)

Effects of gastric acid on surface roughness, microhardness, fracture strength, and color change of dental ceramics: A systematic review of in vitro studies

Journal of Prosthodontics, EarlyView.
Abstract Purpose This systematic review evaluated the effects of simulated gastric acid (SGA) on surface and mechanical properties of dental ceramics to answer the research question: Does immersion in SGA alter the surface roughness, microhardness, fracture strength, and color of dental ceramics?
Geany Ferreira Rodrigues, Isaac Augusto Dantas Nogueira, Nicole Escórcio de Meneses, Ana Letícia Daniel Fontenele, Francisbênia Alves Silvestre, Ana Carolina Lima Moreira, Lívia Maria Sales Pinto Fiamengui, Karina Matthes de Freitas Pontes, Raniel Fernandes Peixoto   +8 more
wiley   +1 more source

Text Segmentation in Web Images Using Colour Perception and Topological Features [PDF]

, 2003
The research presented in this thesis addresses the problem of Text Segmentation in Web images. Text is routinely created in image form (headers, banners etc.) on Web pages, as an attempt to overcome the stylistic limitations of HTML.
Karatzas, Dimosthenis A, Karatzas, Dimosthenis   +1 more
core  

The effects of material thicknesses and substrates on the translucency and color masking ability of additively manufactured definitive crown materials

Journal of Prosthodontics, EarlyView.
Abstract Purpose To investigate the translucency of the new 3D‐printable materials concerning thickness and the color masking ability of each material against different substrate colors. Materials and Methods Ninety square‐shaped specimens (12.0 mm × 12.0 mm) of two new 3D‐printable materials: ceramic‐infiltrated hybrid resin composite (VS) and light ...
Ting Wang, Yun‐Ju Wang, Chao‐Chieh Yang, John A. Levon, Tien‐Min G. Chu, Wei‐Shao Lin   +5 more
wiley   +1 more source

Novel theoretical studies based on CIELab and deconvolution methods to characterize AuNPs aggregation processes

The study of the interaction of spherical gold nanoparticles when they undergo aggregation phenomena due to the presence of a ligand in solution is presented, based on both colorimetric parameters (using CIELab space) and traditional deconvolution ...
Giráldez Pérez, Rosa María, Prado Gotor, Rafael, Hidalgo Toledo, José, Hernández, Haimar, López Pérez, Germán, Grueso Molina, Elia María   +5 more
core   +1 more source

DcH3.3 and DcNAC1 Regulate the Expression of UGT73A93 Involved in the Changes in Flower Colour and Fungal Resistance in Carnation

Plant Biotechnology Journal, EarlyView.
ABSTRACT Carnation (Dianthus caryophyllus) contains abundant flavonoid glycosides (FGs), which are important natural functional and colour components. However, there are few reports on the modification of UDP‐glycosyltransferases (UGTs) in relation to flavonoids in carnation.
Xuhong Zhou, Qirui Xiong, Yue Zhang, Xiumei Yang, Siyuan Zhang, Yanxia Tao, Xiaomi Yang   +6 more
wiley   +1 more source

CIELAB : Color measurement from digital images [PDF]

, 2015
El color es una característica de calidad de gran importancia, dado que es el primer aspecto que perciben los clientes o consumidores, y puede determinar la aceptación o rechazo de un producto y también su valor.
Salvadori, Viviana Olga, Goñi, Sandro Mauricio   +1 more
core  

Zirconia, titanium, and polyetheretherketone implant abutments show equal long‐term clinical success—A systematic review and network meta‐analysis

Periodontology 2000, EarlyView.
Abstract Hundreds of millions of people have one or more missing teeth. Consequently, a substantial number of patients undergo implant therapy each year. However, technical complications and soft tissue inflammation associated with the implant abutment or the type of restoration can lead to bone loss and, ultimately, implant failure.
Yasir Nabeel Al‐Mohammad, Caroline Kelly, Petrana Martinekova, Alexander Schulze Wenning, Szilvia Kiss‐Dala, Noémi Gede, Beáta Kerémi, Zsolt Németh, Péter Hermann, László Márk Czumbel, Krisztina Mikulás, Péter Hegyi, Anton Sculean, Gábor Varga   +13 more
wiley   +1 more source

There Is More Than Meets the Eye: The Dual Role of Perception in Shaping Color Lexicons

Topics in Cognitive Science, EarlyView.
Abstract Color's ultimate physical reality is continuous, and yet human beings “cut” this continuum into a rather small number of categories reflected in their languages’ color lexicon. There are striking cross‐linguistic differences in the color lexicon, which are primarily attributed to differences in communicative needs, but also striking ...
Mathilde Josserand, Dan Dediu, François Pellegrino, Serge Caparos   +3 more
wiley   +1 more source

The effect of heat and ammonia treatment on colour response of oak wood (Quercus robur) and comparison of some physical and mechanical properties

Maderas: Ciencia y Tecnología, 2014
In this paper the effect of heat and ammonia treatment on the change in colour of oak wood (Quercus robur) and comparison of physical and mechanical properties were investigated.
Petr Čermák, Aleš Dejmal
doaj  

Color de incisivos centrales superiores en sujetos de entre 20 y 30 años en el Hospital Odontológico Universitario de la FOUBA

Odontoestomatología
Objetivo: El objetivo fue evaluar el color de incisivos centrales superiores (1.1), en pacientes de entre 20 y 30 años, en el Hospital Odontológico Universitario de la FOUBA  Métodos: Participaron 125 sujetos (84,25% mujeres) de entre 21 y 30 años, con ...
María Milagros Trigo Humaran, Agustina Boaventura Dubovik, Hernan Tartacovsky, Martín García Cuerva, María Emilia Iglesias   +4 more
doaj   +1 more source