scholarly journals Spectrophotometic analysis of the influence of substrate on the color of dental ceramics

2015 ◽  
Vol 31 (2) ◽  
pp. 96-103
Author(s):  
Young-Gyun Song
Keyword(s):  
Dental Ceramics ◽  
Influence Of Substrate

Técnica de mascaramento de substrato escurecido com lente de contato dental cimentada sobre faceta menos translúcida

2020 ◽  
Vol 10 (37) ◽  
pp. 38-45
Author(s):  
Lara Pepita de Souza Oliveira ◽  
Rebeka de Oliveira Reis ◽  
Ely Moacyr de Souza Portela ◽  
Sybilla Torres Dias ◽  
Cristiane Maria Brasil Leal
Keyword(s):  
Phosphoric Acid ◽  
Composite Resin ◽  
Intermediate Structure ◽  
Dental Ceramics ◽  
Central Incisor ◽  
Universal Adhesive ◽  
Patient Reported ◽  
Satisfaction With Treatment ◽  
Natural Teeth ◽  
Smile Aesthetics

Dental ceramics have an excellent ability to reproduce natural teeth appearance, but once the substrate has an altered coloration, it is necessary to mask this intercurrence, considering the characteristics of the ceramic and cement selected. This article aims to present a clinical case of rehabilitation with ceramic laminates to mask a darkened central incisor by planning a more opaque porcelain structure under a translucent contact lens. A female patient sought dental care complaining of dissatisfaction with smile aesthetics. It was clinically identified the presence of a Class IV darkened restoration in composite resin in element 11. In treatment planning harmony in the shape and color of elements 11 and 21 was aimed at through lithium disilicate lenses. An opaque intermediate structure was used to cover the darkening in tooth 11. The double molding technique was performed to obtain the working model. Prior to cementing, the surfaces were treated. In ceramics, conditioning with 10% hydrofluoric acid and 37% phosphoric acid, silane application and universal adhesive; in dental substrate, conditioning with 37% phosphoric acid and application of universal adhesive were performed. In laminates definitive cementation Allcem Venner cement was chosen. Patient reported satisfaction with treatment final aesthetics. Thus, cementation technique of a translucent laminate over an opaque facet is a good option for masking substrates with darkened coloration.

INFLUENCE OF SUBSTRATE ON BRACHIOPOD DIVERSITY DURING THE EARLY TO MIDDLE PERMIAN

2018 ◽  
Author(s):  
Zackery P. Wistort ◽  
◽  
Kathleen A. Ritterbush
Keyword(s):  
Middle Permian ◽  
Influence Of Substrate

Influence of substrate on modified oscillation reactions of the Belousov-Zhabotinskii type

1983 ◽  
Vol 48 (11) ◽  
pp. 3223-3228 ◽  
Author(s):  
Peter Ševčík ◽  
Ľubica Adamčíková
Keyword(s):  
Oxalic Acid ◽  
Kinetic Parameters ◽  
Tartaric Acid ◽  
Bz Reaction ◽  
Oscillation Cycle ◽  
Influence Of Substrate

The kinetic parameters of the reaction steps of the oscillation cycle and the parameters of modified oscillation reactions of the Belousov-Zhabotinskii (BZ) type with oxalic acid, tartaric acid, and hypophosphite ions were compared with predictions of Edelson's analysis based on the mechanism of the classical BZ reaction.

Influence of substrate conductivity on characteristics of ZnO/SiO2-diaphragm piezoelectric resonators

1983 ◽  
Vol 19 (14) ◽  
pp. 521 ◽  
Author(s):  
K. Nakamura ◽  
H. Sasaki ◽  
H. Shimizu
Keyword(s):  
Piezoelectric Resonators ◽  
Influence Of Substrate

Influence of substrate temperature on nitridation of (001) GaAs using RF-radical source

2009 ◽  
Vol 311 (10) ◽  
pp. 2992-2995 ◽  
Author(s):  
Shigeya Naritsuka ◽  
Midori Mori ◽  
Yoshitaka Takeuchi ◽  
Takahiro Maruyama
Keyword(s):  
Substrate Temperature ◽  
Influence Of Substrate

Lifetime limiting defects in 4H-SiC epitaxial layers: The influence of substrate originated defects

2021 ◽  
Vol 560-561 ◽  
pp. 126033
Author(s):  
J. Erlekampf ◽  
M. Rommel ◽  
K. Rosshirt-Lilla ◽  
B. Kallinger ◽  
P. Berwian ◽  
...  
Keyword(s):  
Epitaxial Layers ◽  
Influence Of Substrate
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