نتایج جستجو برای: hard porcelain

تعداد نتایج: 149771  

2009
Charles Pincus

Porcelain laminate veneers are used routinely in cosmetic dentistry. The public usually refers to this mode of treatment simply as “veneers.” Their popularity has increased because of television makeover programs, commercials, and magazine advertisements. Porcelain laminate veneers have so increased in their attractiveness that the general public is demanding this type of instant makeover. Furt...

Journal: :Open Access Macedonian Journal of Medical Sciences 2022

This study was conducted to reveal antibacterial effect of silver nanoparticles incorporation on dental porcelain and its flexural strength surface hardness porcelain.

ژورنال: مجله دندانپزشکی 2005
خرازی فرد, محمد جواد, کرمانشاه, حمید , یشاریم, هلنا ,

Statement of Problem: Porcelain restorations are susceptible to fracture and a common method for repairing is the use of silane and composite on etched porcelain. Although HF is very effective in porcelain etching but has detrimental effects on tissues. Purpose: In this study, the effect of APF and PHA was compared with HF in porcelain etching. Also the role of silane, unfilled resin and dentin...

Farhood Massoumi, Kamyar Abbasi, Kaveh Yaghmai, Parviz Amini, S.Shojaeddin Shayegh,

Background and Aim: Several methods are available for intraoral repair of chipped porcelain restorations by composite resin. Also, there is still controversy regarding the best method of porcelain repair in terms of bond strength and cost effectiveness. This study aimed to compare three methods of porcelain surface treatment on shear bond strength (SBS) of composite to porcelain. Materials a...

Journal: :European journal of orthodontics 2006
Hakan Türkkahraman H Cenker Küçükesmen

The aim of this study was to compare the effects of various porcelain surface-conditioning techniques, used either alone or in combination, on the shear bond strength (SBS) of ceramic brackets cured with a light emitting diode (LED). Thirty glazed porcelain facets were randomly divided into three groups of 10. In group I, the porcelain surfaces were etched with 9.6 per cent hydrofluoric acid (H...

2017
M. S. Bapna H. J. Mueller

The oxidation and porcelain fusion characteristics of noble alloys containing a variety of minor oxidizable elements, including Cu, Sn, In, Ga, Mn, and Fe were investigated. Four porcelain alloys systems: a Pd-base alloy (Naturelle}, two Pd-Ag-based alloys (Jelstar and Acclaim}, and a high Au-alloy (SMG-3) were examined by scanning electron microscopy and energy dispersive spectroscopy after be...

Journal: :The Journal of prosthetic dentistry 1999
R D Douglas M Przybylska

STATEMENT OF PROBLEM Production of a ceramic dental restoration that matches a target shade is dependent on porcelain thickness. Even when adequate porcelain thickness exists, clinical shade matches are difficult to achieve. PURPOSE This study predicted the thickness of dentin porcelain required to obtain a clinical shade match (</=3 DeltaE units) for a variety of dental porcelain systems and...

2017
Abhinav Aggarwal Sunil Kumar Verma Balram Bhargava

Porcelain aorta is a harbinger of widespread atherosclerotic process and its identification may be associated with higher cardiovascular and surgical mortality. Patients with porcelain aorta requiring cardiac surgery need specific alterations in approach to the surgery especially with regard to aortic cross – clamping. However, its association with systemic inflammatory bone and joint disease i...

1982
Apoorv Goel Ayush Agarwal Shalabh Gupta Tripta S Bhagat Gaurav Kumar Atul K Gupta

Porcelain gallbladder or calcified gallbladder is a rare entity and is considered as the end stage of chronic cholecystitis. This disease is rarely diagnosed preoperatively and usually mimics carcinoma gallbladder. Hereby, we present a rare and interesting case of porcelain gallbladder that was diagnosed preoperatively and managed by cholecystectomy. How to cite this article: Goel A, Agarwal A,...

Journal: :Journal of applied oral science : revista FOB 2003
Wilson José Garbelini Guilherme Elias Pessanha Henriques Manoel Troia Junior Marcelo Ferraz Mesquita Cássia Cilene Dezan

The bond strength by three point bending strength of two metal substrates (commercially pure titanium or grade II, and Ti-6Al-4V alloy or grade V) combined to three distinct low-fusing ceramic systems (LFC) and the nature of porcelain-metal fracture by scanning electron microscopy (SEM) were evaluated. The results were compared to a combination of palladium-silver (Pd-Ag) alloy and conventional...

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