Results 41 to 50 of about 2,254 (199)

Bending strength and reliability of porcelains used in all-ceramic dental restorations

Cerâmica
Four dental porcelains for covering zirconia were sintered (fired) at 910-960 °C and characterized, focusing in analyzing reliability, physical and mechanical properties.
A. A. de Almeida Junior, G. L. Adabo, B. R. Galvão, D. Longhini, B. G. Simba, C. dos Santos   +5 more
doaj   +1 more source

Chinese porcelains as an indicator of 14th to 17th-century Singapore's taste and preferences: a case study of Saint Andrews' Cathedral

, 2022
This thesis focuses on three different types of Chinese porcelains found in the archaeological assemblage of the Saint Andrew’s Cathedral site (STA): blue and white, green, and white porcelains.
Ng, Yun Xuan
core   +1 more source

The Colors of Mixtures of Dental Opaque Porcelains [PDF]

, 1989
The colors of mixtures of dental opaque porcelains and modifiers were measured with use of the CIE L*a * b* uniform color space. Mixtures of dental porcelains were tested to duplicate the range of human tooth colors.
W.J. O'Brien, W. J. O'brieni, White, J. M., O'Brien, W. J., J.M. White, J. M. White   +5 more
core   +1 more source

An Archaeometric Study of Twelve Porcelain Chinese Sherds Found at the Santana Convent in Lisbon—16th to 18th Centuries

Heritage
Twelve sherds of blue-and-white Chinese porcelains recovered from archaeological excavations in the Santana Convent (Ming and Qing Dynasties) in Lisbon were studied using several non-invasive spectroscopies, namely micro-Raman, X-ray Fluorescence (XRF ...
Luís F. Vieira Ferreira, Isabel Ferreira Machado, Rosa Varela Gomes, Mário Varela Gomes, Manuel F. C. Pereira   +4 more
doaj   +1 more source

Sintering of Dental Porcelain Enamels [PDF]

, 1976
This study showed the effects of sintering temperature and atmospheric pressure on the density, tensile strength, and microstructure of porcelain enamels.
Meyer, J. M., W.J. O'Brien, J.M. Meyer, O'Brien, W. J., Yu, C. U., C.U. Yu   +5 more
core   +1 more source

Refléter le passé : les faux bronzes en porcelaine sous le règne de l’empereur Qianlong (1735-1785)

Les Cahiers de Framespa, 2019
Porcelains adopting the form of ancient bronzes and their cover imitating bronze and its oxidations are characteristic of the Qianlong period (1735-1795).
Stéphanie Brouillet
doaj   +1 more source

Comparing the Surface Behavior of Conventional and CAD-CAM Feldspathic Porcelains in the Face of LaserAssisted Bleaching and Post-bleach Polishing: Bleaching Effects on Laminate Veneers

, 2022
Introduction: The prevalence of using different esthetic methods increases the possibility of close contact between them with potential adverse interactions.
Amirpour-Harehdasht, Solaleh, Ghodsi, Safoura, Chitsaz, Foujan, Zeyghami, Somayeh   +3 more
core  

Sintering and dielectric properties of a technical porcelain prepared from economical natural raw materials

Cerâmica
In this study, the production of a technical porcelain, for the ceramic dielectric applications by using economical natural raw materials, was investigated.
S. Kasrani, A. Harabi, S.-E. Barama, L. Foughali, M. T. Benhassine, D. M. Aldhayan   +5 more
doaj   +1 more source

Effect of temperature and heating rate on the sintering of leucite-based dental porcelains

, 2011
The aim of this work was to determine the effect of temperature and heating rate on the densification of four leucite-based dental porcelains: two low-fusion (Dentsply Ceramco and Ivoclar) and two high-fusion commercial porcelains (Dentsply Ceramco ...
YOSHIMURA, H. N., P.F. Cesar, H.N. Yoshimura, CESAR, P. F., MOLISANI, A. L., FREDERICCI, C., PINTO, M. M., A.L. Molisani, M.M. Pinto, C. Fredericci   +9 more
core   +1 more source

Fragments of our past: a study of 19th to 20th century Japanese porcelains from Singapore's archaeological assemblages

, 2023
Scholarship on Singapore’s colonial period pertaining to subjects of interest that incorporate archaeological research are limited. Researchers to date have utilised governmental documentation, written materials, oral histories, and other forms of visual
Yuen, Ashley Lee Min
core   +1 more source