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Color stability after accelerated aging of two silicones, pigmented or not, for use in facial prostheses
(2009-12-08)
One of the greatest challenges faced by buccomaxillofacial prosthetists is to reproduce the patient's exact skin color and provide adequate esthetics. To reach this objective, professionals must use materials with easy ...
Visual evaluation of color stability after accelerated aging of pigmented and nonpigmented silicones to be used in facial prostheses
(2009-01-01)
Objectives: The objective of this study was to evaluate by a visual method of comparison the color stability of nonpigmented and pigmented facial silicones after accelerated aging. Materials and Methods: Two kinds of ...
Effect of Disinfection and Accelerated Aging on Color Stability of Colorless and Pigmented Facial Silicone
(Wiley-Blackwell, 2011-06-01)
Purpose: The aim of this study was to evaluate the color stability of a facial silicone with different pigmentations submitted to disinfection and accelerated aging.Materials and Methods: Sixty replicas were fabricated ...
Effect of intrinsic nanoparticle pigmentation on the color stability of denture base acrylic resins
(Elsevier B.V., 2013-08-01)
Statement of problem. Intrinsic pigmentation is widely used to improve the esthetic features of denture base acrylic resins. However, acrylic resin may discolor over time.Purpose. The purpose of this study was to investigate ...
Effect of intrinsic nanoparticle pigmentation on the color stability of denture base acrylic resins
(2013-08-01)
Statement of problem: Intrinsic pigmentation is widely used to improve the esthetic features of denture base acrylic resins. However, acrylic resin may discolor over time. Purpose: The purpose of this study was to investigate ...
Effect of different methods of hygiene on the color stability of extrinsically pigmented facial silicone
(2018-01-01)
Aim: Evaluate the color stability of facial silicone pigmented extrinsically under the influence of the hygiene process. Methods: 160 samples were prepared and divided into 8 groups (n = 20) according to the pigmentation ...
Red betalains from Opuntia spp.: Natural colorants with potential applications in foods
(2012)
Natural red colorants are highly appreciated by the food industry, and betalains are one such category. There are few sources in nature of betalains, which are commonly obtained from red beet as a colorant additive and ...
INFLUENCE OF SOLUTIONS WITH PIGMENTATION POTENTIAL ON TOOTH COLOR AFTER BLEACHING USING 22% CARBAMIDE PEROXIDE
(Univ Federal Uberlandia, 2017-07-01)
The color stability achieved by dental bleaching can be affected by exposure to staining agents present in foods. However, there is scarce research regarding tooth staining during dental bleaching. This study investigated ...
Sol-gel synthesis and characterization of Fe(2)O(3) center dot CeO(2) doped with Pr ceramic pigments
(Springer, 2008-07-01)
Undoped x center dot alpha-Fe(2)O(3) y center dot CeO(2) and doped with praseodymium ceramic pigments were obtained by the sol-gel method after heat treatment at 800 degrees C for 2 h. These pigments were characterized by ...
Analysis of color and hardness of a medical silicone with extrinsic pigmentation after accelerated aging
(2020-10-01)
Objective The aim of this study is to evaluate the color alteration and shore A hardness of a medical silicone with extrinsic pigmentation, before and after accelerated aging. Materials and Methods Twenty samples (Silastic ...