• safety and effective
  • Since publishing the original proposed rule in 2002, the Agency has reopened the public comment period twice, in an effort to provide reasonable assurance of the safety and effectiveness of dental amalgam. (newmoa.org)
  • Numerous other organizations have also publicly declared the safety and effectiveness of amalgam. (wikipedia.org)
  • tooth
  • The main advantage of conventional amalgam adhesives seems to be their ability to seal the tooth restorative interface, preventing microleakage into the dental tubules and pulp and reducing post-operative sensitivity. (dentalindia.com)
  • Allow amalgam to contact tooth for stability. (dentalindia.com)
  • Indeed, it takes some real magical thinking to believe that you can place amalgam within a tooth and - presto, change-o - the mercury that makes up more than 50% of the filling's content becomes inert and perfectly safe…even as, the moment you take it out of the mouth, it's automatically considered toxic waste. (wordpress.com)
  • However, one disadvantage that remained was fracture at the tooth-amalgam interface commonly called marginal fracture. (wikipedia.org)
  • This phase has been shown to be the weakest phase in the set amalgam and is subject to corrosion, particularly at the tooth-amalgam interface. (wikipedia.org)
  • 1528
  • In Europe, Johannes Stockerus, a municipal physician in Ulm, Germany, recommended amalgam as a filling material as early as 1528. (wikipedia.org)
  • Dental amalgams were first documented in a Tang Dynasty medical text written by Su Kung(苏恭)in 659, and appeared in Germany in 1528. (wikipedia.org)
  • There are, according to Geir Bjørklund, indications that dental amalgam was used in the first part of the Tang Dynasty in China (AD 618-907), and in Germany by Strockerus in about 1528. (wikipedia.org)
  • Silver
  • For those of you not familiar with them, it is a device that basically serves as a filtration system to remove amalgam (silver filling) debris and trap it before it goes down the drain. (denticle.com)
  • Evidence of a dental amalgam first appears in the Tang Dynasty medical text Hsin Hsiu Pen Tsao(《新修本草》) written by Su Kung(苏恭)in 659, manufactured from tin and silver. (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)
  • Early amalgam was made by mixing mercury with the filings of silver coins. (wikipedia.org)
  • KHg is a gold-coloured compound with a melting point of 178 °C, and KHg2 a silver-coloured compound with a melting point of 278 °C. These amalgams are very sensitive to air and water, but can be worked with under dry nitrogen. (wikipedia.org)
  • spherical
  • Amalgam Failures - Causes Inadequate retention Insufficient bulk for strength Failure to remove unsupported enamel Caries not removed Inadequate condensation Recurrent caries Amalgams Spherical Spheroidal Admixed Tytin Tytin FC Contour Valiant Valiant PhD Unison, Megalloy Dispersalloy Galloy Retention 1. (dentalindia.com)
  • About 10 years later, another alloy, called Tytin, was introduced by adding significant amount of Cu3Sn together with Ag3Sn, in the form of a unicompositional spherical particle to eliminate the γ2 phase. (wikipedia.org)
  • Environmentally
  • Malvern, PA (March 25, 2015) - DentalEZ ® , a supplier of integrated products and services for dental health professionals worldwide, is pleased to introduce the new RAMVAC ® Amalgam HoG , a high efficiency filtration system designed to safely and effectively remove harmful waste in an environmentally responsible manner. (denticle.com)
  • 1990
  • Corbin and Kohn, JADA, Apr 1994), "If the 96 million amalgams placed in 1990 had used alternate material, would have cost $12 billion additional dollars. (dentalindia.com)
  • reputation
  • However, the damage had been done: amalgam now had a bad reputation, despite the fact that, if used properly, it would later prove to be a safe and effective restorative material. (wikipedia.org)
  • Adhesive
  • Cobb, et al, Am J Dent, Oct 1999 "Continuous microgaps were observed between amalgam and dentin in the specimens using no lining material and Copal varnish compared to specimens using PQ1 adhesive bonding system. (dentalindia.com)
  • proven
  • With a METASYS amalgam separator, you can put your trust in the proven technology of the one of the market leaders in its industry: More than 250,000 devices have already been installed worldwide. (metasys.com)
  • health
  • It really got me thinking about how important dental health is to your entire body. (newstimes.com)
  • A number of studies have recently made headlines linking dental health to increased risk of cancer, heart disease and other illnesses. (newstimes.com)
  • 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)
  • We regret that we cannot comment or offer advice on specific dental health situations here. (wordpress.com)
  • Is amalgam really being banned because of its 'negative impact on the environment' rather than its negative impact on our health? (blogspot.com.au)
  • The American Dental Association (ADA) was founded in its place in 1859, which has since then strongly defended dental amalgam from allegations of being too risky from the health standpoint. (wikipedia.org)
  • relatively
  • Those who are not opposed to the use of amalgam point out that it is safe, durable, relatively inexpensive, and easy to use. (wikipedia.org)
  • years
  • Dental amalgam remains the second largest category of mercury use in products for all three IMERC reporting years (behind the category of switches and relays). (newmoa.org)
  • For more than 125 years, Buffalo and BDM together, lead the dental industry, providing top-notch laboratory and operatory products, quality service and 100% commitment to our Canadian customers. (issuu.com)
  • I have also had a dental amalgam filling since I was about 10 years old. (discovermagazine.com)
  • A new study, conducted on behalf of the European Commission, recommends phasing out dental amalgam use over the next few years owing to mercury's negative impact on the environment. (blogspot.com.au)
  • water
  • The MULTI SYSTEM TYPE 1 (MST 1) by METASYS is a two-stage, single-unit amalgam separator with integrated air/water separation and place selection valve. (metasys.com)