Results 181 to 190 of about 745 (237)

Fracture load of chairside CAD-CAM veneers fabricated with pre-and fully crystalized lithium disilicate ceramics. [PDF]

J Prosthodont
Jurado CA, Yeh JS, Vidal CMP, Cho SH, Abuhammoud S.   +4 more
europepmc   +1 more source

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Toward the development of a color visual prosthesis

Journal of Neural Engineering, 2021
Abstract Objective. All of the human prosthetic visual systems implanted so far have been achromatic. Schmidt et al (1996 Brain 119 507–22) reported that at low stimulation intensities their subject reported that phosphenes usually had a specific hue, but when the stimulus intensity was increased ...
Vernon L Towle, Tuan Pham, Michael McCaffrey, Danielle Allen, Philip R Troyk   +4 more
openaire   +2 more sources

Evaluation of Dental Prosthesis Colors Using a Neural Network

2020 IEEE 5th International Conference on Signal and Image Processing (ICSIP), 2020
One of the most important tasks in the work of dental technicians is to reproduce the color of dental prostheses. Experienced dental technicians can correctly estimate the true color from a photograph of the patient’s teeth taken by the dentist, but this is a very difficult process for inexperienced dental technicians.
Kazuya Ueki, Hayata Wakamatsu, Yasuaki Hagiwara   +2 more
openaire   +1 more source

Color Stability of Polymers for Facial Prosthesis

Journal of Craniofacial Surgery, 2010
Color stability of resin and silicone is an important factor for longevity of facial prostheses. The aim of this study was to evaluate the color stability of resins and silicone for facial prostheses. Three brands of acrylic resin and 1 of facial silicone were evaluated considering pigment incorporation for the colorless materials.
Santos, Daniela Micheline dos, Goiato, Marcelo Coelho, Coelho Sinhoreti, Mario Alexandre, Rocha Fernandes, Aline Ursula, Ribeiro, Paula do Prado, Dekon, Stefan Fiuza de Carvalho   +5 more
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Transesophageal color Doppler echocardiography of the normal St. Jude medical mitral valve prosthesis

American Heart Journal, 1991
Transesophageal color flow Doppler findings are reported in 36 patients with a St. Jude Medical mechanical mitral valve prosthesis who had no auscultatory evidence for prosthetic valve dysfunction. Multiple jets consistent with mitral regurgitation originating from the central and lateral portion of the prosthesis were found in all patients.
H W, Lange, J D, Olson, W R, Pedersen, M A, Kane, J A, Daniel, M R, Mooney, I F, Goldenberg   +6 more
openaire   +2 more sources

Effect of polymerization and accelerated aging on iris color stability of ocular prosthesis

Contact Lens and Anterior Eye, 2010
The purpose of this study was to investigate color change of irises obtained by both printed digital image and painted with gouache, acrylic and oil paints, after polymerization and accelerated aging.Eight samples simulating ocular prostheses were fabricated.
Goiato, Marcelo Coelho, Moreno, Amalia, Santos, Daniela Micheline dos, Dekon, Stefan Fiuza de Carvalho, Pellizzer, Eduardo Piza, Pesqueira, Aldieris Alves   +5 more
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Temporary fixed prosthesis materials and beverage colorants: an in vitro study.

General dentistry, 2023
The esthetic outcome of temporary prostheses, especially those in the anterior area, is of primary importance. The purpose of this in vitro study was therefore to evaluate the color stability of 3 temporary restorative materials: self-curing (SC) acrylic resin (Tempron); heat-curing acrylic resin (SR Ivocron); and polymethyl methacrylate resin blocks ...
Yosra, Gassara, Marwa, Jebahi, Rihab, Dakhli, Rim, Kallala, Zohra, Nouira   +4 more
openaire   +1 more source

A Systematic Review on Maxillofacial Prosthesis with Respect to Their Color Stability

Journal of Long-Term Effects of Medical Implants
The aim of this systematic review was to identify and analyze the findings of various studies that analyzed the changes in the color stability of maxillofacial prosthetic materials after the addition of various colorants and nanoparticles and assess the change in color after being subjected to either natural or artificial accelerated aging as well as ...
Khushali K, Shah, Vaishnavi, Rajaraman, Deepak Nallaswamy, Veeraiyan, Subhabrata, Maiti   +3 more
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Technique for superimposing a color slide onto a facial cast to sculpt a facial prosthesis

The Journal of Prosthetic Dentistry, 1989
A precise and uncomplicated technique for superimposing a color slide onto a facial cast for sculpting a facial prosthesis of the periorbital region is described. This technique allows making a facial impression with the eye closed. The superimposed slide in full-face and profile views provide a natural appearance to the facial cast.
K, Shimodaira, H, Fukuda, T, Kanazawa, T, Funakubo   +3 more
openaire   +2 more sources