• 20th century
  • In the 20th century, the alloy was first used in medical tool manufacturing, and in 1960, the first Co-Cr prosthetic heart valve was implanted, which happened to last over 30 years showing its high wear-resistance. (wikipedia.org)
  • molten
  • It also increases fluidity and reduces the surface tension in the molten state improving the casting characteristics of the alloy. (doctorspiller.com)
  • Recently, in 2010, scientists at the University of Cambridge have produced the alloy through a novel electrochemical, solid-state reduction technique known as the FFC-Cambridge Process which involves the reduction of an oxide precursor cathode in a molten chloride electrolyte. (wikipedia.org)
  • The phosphorus reduces the viscosity of the molten alloy, which makes it easier and cleaner to cast and reduces grain boundaries between crystallites. (wikipedia.org)
  • mercury
  • The researchers found that a high frequency of positive results was obtained among healthy subjects with or without dental amalgam, and concluded that the test cannot be used as an objective test for mercury allergy. (wikipedia.org)
  • In addition to their claims of possible health and ethical issues, opponents of dental amalgam fillings claim amalgam fillings contribute to mercury contamination of the environment. (wikipedia.org)
  • The World Health Organization (WHO) reports that health care facilities, including dental offices, account for as much as 5% of total waste water mercury emissions. (wikipedia.org)
  • The WHO also points out that amalgam separators, installed in the waste water lines of many dental offices, dramatically decrease the release of mercury into the public sewer system. (wikipedia.org)
  • Dental amalgam is a liquid mercury and metal alloy mixture used to fill cavities caused by tooth decay. (wikipedia.org)
  • It was during the Ming Dynasty that the composition of an early dental amalgam was first published, and a text written by Liu Wen Taiin 1505 states that it consists of "100 shares of mercury, 45 shares of silver and 900 shares of tin. (wikipedia.org)
  • However, at that point the use of dental amalgam was declared to be malpractice, and the American Society of Dental Surgeons (ASDS), the only US dental association at the time, forced all of its members to sign a pledge to abstain from using the mercury fillings. (wikipedia.org)
  • zinc
  • Zinc acts as an oxygen scavenger and prevents the formation of porosity in the finished alloy. (doctorspiller.com)
  • Around 2001, the Olin Corporation developed another phosphor bronze alloy comprising: Zinc - 9.9% Tin - 2.2% Iron - 1.9% Phosphorus - 0.03% Copper - 85.97% Olin developed this new alloy for use in electrical and electronic connectors. (wikipedia.org)
  • structures
  • If all five pages are read in order, the reader will gain a good understanding of just what dental alloys really are, their internal crystalline structures, how they differ from each other and how different alloys are utilized in various applications. (doctorspiller.com)
  • The d.Sign® 15 dental casting alloy was shown to elicit significantly increased adverse morphological and physiological responses from the 2D TR146 cell monolayer structures compared with the d.Sign®10 alloy and the Co-Cr (d.Sign®30) alloy. (tcd.ie)
  • 4-Methacryloyloxyethyl trimellitic acid anhydride (4-META) that adhere to not only tooth structures but also dental alloys, was developed almost at the same time. (wikipedia.org)
  • vanadium
  • Besides alpha-phase stabilisers, near-alpha alloys are alloyed with 1-2% of beta phase stabilizers such as molybdenum, silicon or vanadium. (wikipedia.org)
  • Beta and near beta alloys, which are metastable and which contain sufficient beta stabilisers (such as molybdenum, silicon and vanadium) to allow them to maintain the beta phase when quenched, and which can also be solution treated and aged to improve strength. (wikipedia.org)
  • corrosion resistant
  • Co-Cr alloys tend to be corrosion resistant, which reduces complication with the surrounding tissues when implanted, and chemically inert that they minimize the possibility of irritation, allergic reaction, and immune response. (wikipedia.org)
  • This alloy has application as thick corrosion-resistant overpack for spent nuclear fuel disposal in deep crystalline rocks. (wikipedia.org)
  • implant
  • The aim of this review is to summarize existing literature reporting on the use of binary TiZr alloys for endosseous dental implant applications as tested in vitro , in animals and clinically. (mdpi.com)
  • Influence of heat treatment conditions on microstructure of Ti―6Al―7Nb alloy as used surgical implant materials. (wikipedia.org)
  • Temperature
  • As with all alloys which may be used with dental porcelains, it is important to have a solidus temperature above 1100° C. This allows sufficient temperature between the firing temperature of porcelain and the onset of melting of the alloy to allow soldering of the alloy. (google.com)
  • Additionally, to allow the alloy to be melted and cast with standard equipment in the dental laboratory the liquidus temperature should not exceed 1400° C. (google.com)
  • The most common application of the alloy is as a low temperature solder, which can also contain, besides Bismuth and Indium, lead, cadmium and tin. (wikipedia.org)
  • Indium is used in dental alloys, semiconductor components, nuclear reactor panels, sodium lamps, strengthening factor in lead-based welds and low melting temperature welds. (wikipedia.org)
  • Some alloying elements, called alpha stabilizers, raise the alpha-to-beta transition temperature, while others (beta stabilizers) lower the transition temperature. (wikipedia.org)
  • metal
  • Dental casting materials, whose components are nonprecious metal alloys, designed to make a positive copy of a given area of the oral cavity using a mold previously taken at the dentist's office. (optometricmanagement.com)
  • Co-Cr alloys show high resistance to corrosion due to the spontaneous formation of a protective passive film composed of mostly Cr2O3, and minor amounts of cobalt and other metal oxides on the surface. (wikipedia.org)
  • It is most notably used in the semiconductor industry, in low-melting-point metal alloys such as solders, in soft-metal high-vacuum seals, and in the production of transparent conductive coatings of indium tin oxide (ITO) on glass. (wikipedia.org)
  • alumina
  • Effect of sandblasting conditions on alumina retention in representative dental alloys. (biomedsearch.com)
  • This study determined the effect of grit size and application pressure on alumina fragment retention after sandblasting in representative dental alloys. (biomedsearch.com)
  • Materials tested showed a substantial amount of retained alumina fragments, the extent of which was dependent on the grit size and propulsion pressure applied for tested alloys except cp-Ti. (biomedsearch.com)
  • 2016
  • The Japan & Korea Dental Alloys Industry 2016 Market Research Report is a professional and in-depth study on the current state of the Dental Alloys industry. (qyresearchreports.com)
  • The continual rise in the prevalence of dental cavities and other periodontal disorders has led to a tremendous increase in the market for Japan korea dental alloys industry 2016 market research report. (qyresearchreports.com)
  • In addition, as elderly people are more prone to dental disorders, the ever-surging geriatric population is expected to reflect positively on the demand for Japan korea dental alloys industry 2016 market research report in the years to come. (qyresearchreports.com)
  • This research report presents a methodical study of on the Japan korea dental alloys industry 2016 market research report, specifically highlighting the competitive framework of this market. (qyresearchreports.com)
  • It carries out detailed analyses of the production and supply as well as the demand and sales of Japan korea dental alloys industry 2016 market research report by applying a number of effective assessment tools, such as porter's five forces and value chain analysis, and gives deep insights into the future prospects of this market. (qyresearchreports.com)
  • Furthermore, an estimation of the market size has been provided in terms of value (US$) and in volume (kilo tons) and the key segments and the geographical subdivisions of the Japan korea dental alloys industry 2016 market research report have been discussed in details. (qyresearchreports.com)
  • It also presents in-depth information on the development trends and the policies and regulations, concerning Japan korea dental alloys industry 2016 market research report, implemented in each of the geographical segments. (qyresearchreports.com)
  • The predominant applications of the Japan korea dental alloys industry 2016 market research report have also been talked about at length in this research report. (qyresearchreports.com)
  • The study includes an exhaustive overview of the market for Japan korea dental alloys industry 2016 market research report, covering its definition, classification, and industry chain structure, and move forward to comprise every aspect of this market on the basis of several criteria on which the market is classified. (qyresearchreports.com)
  • With all these assessments and information, this research report acts as a valuable source of guidance to readers looking to gain a clear understanding of all the factors that are influencing the market for Japan korea dental alloys industry 2016 market research report, currently, and are projected to remain doing so over the forthcoming years. (qyresearchreports.com)
  • In this report, the global Dental Alloys market is valued at USD XX million in 2016 and is expected to reach USD XX million by the end of 2022, growing at a CAGR of XX% between 2016 and 2022. (marketstudyreport.com)
  • Prosthesis
  • Tribological behavior of Ti-6Al-4V and Ti-6Al-7Nb Alloys for Total Hip Prosthesis," Advances in Tribology, vol. 2014, Article ID 451387, 13 pages, 2014. (wikipedia.org)
  • 116.6 °F). It is also used to parts on inspection equipment, spindles for machining (polishing), molds for development of prosthesis and dental molds. (wikipedia.org)
  • wear-resistance
  • Under the name Stellite™, Co-Cr alloy has been used in various fields where high wear-resistance was needed including aerospace industry, cutlery, bearings, blades, etc. (wikipedia.org)
  • made
  • In the recent years Ti-6Al-7Nb alloys could also be made by different 3D-printer technique such as SLM and EBM. (wikipedia.org)
  • noble
  • The high-noble alloy released low levels of elements that did not increase after 6 hours, whereas the other alloys released higher levels of elements that increased over time. (quintpub.com)
  • reduces
  • Indium: Each 1 wt% of In added on the alloy of the melting point reduces 1.45 °C. It easily oxidizes, has a very high cost, enables soldering for cryogenic applications, and allows soldering between nonmetals. (wikipedia.org)
  • coefficient
  • In order to obtain compatibility between the alloy and typical dental porcelains it is important for the alloy to exhibit a coefficient of thermal expansion between 13.9 and 15.2×10 -6 /C. This will result in the porcelain being placed into compression after firing which will impart the greatest strength to the ceramic veneering material. (google.com)
  • oxidation
  • Haynes reported his alloy was capable of resisting oxidation and corrosive fumes and exhibited no visible sign of tarnish even when subjecting the alloy to boiling nitric acid. (wikipedia.org)
  • orthodontics
  • This type of alloy replaced stainless steel for certain uses, as stainless steel had dominated orthodontics since the 1960s. (wikipedia.org)
  • Nickel
  • Like nickel, cobalt is found in the Earth's crust only in chemically combined form, save for small deposits found in alloys of natural meteoric iron. (wikipedia.org)
  • patterns
  • Plastic rectangular patterns (25×3×0.6 mm, n=240) were divided equally into four groups and cast with Au-Pt, Ni-Cr, Co-Cr alloys and grade-II cp-Ti. (biomedsearch.com)
  • high strength
  • This heat treatment process is carried out after the alloy has been worked into its final shape but before it is put to use, allowing much easier fabrication of a high-strength product. (wikipedia.org)
  • Cobalt is primarily used in the preparation of magnetic, wear-resistant and high-strength alloys. (wikipedia.org)
  • tooth
  • DENTSPLY's broad global product platform helps dental professionals serve patients' oral health care for a lifetime, from preventive services to tooth replacement. (ophthalmologymanagement.com)
  • different
  • Comparison of Microstructure and Properties of Ti-6Al-7Nb Alloy Processed by Different Powder Metallurgy Routes. (wikipedia.org)
  • fractions
  • 3. Alloy according to claim 1, characterized in that the rare earths contain Ce fractions ranging between 0.01% to 0.06% in weight. (patents.com)
  • binary
  • Furthermore, binary TiZr alloys have been shown to achieve good osseointegration and high success rates both in animal and in clinical studies. (mdpi.com)
  • gold
  • About 70% of its business is from the sale of jewelry and gold bullion, and the company also manufactures dental alloys and industrial gold. (wikipedia.org)
  • dentists
  • The Crawcours set up elegant dental "parlours" in New York City and competed with the ethical dentists and catered to the wealthy and influential residents of the city. (wikipedia.org)