منابع مشابه
Dental Amalgam: Update on Safety Concerns
identify, in the general population, any human health detriments arising from the placement of dental amalgam restorations, and all concluded that amalgam was a safe and effective restorative material. This article reviews more recent studies on the safety of dental amalgams, with an emphasis on those that have been published since the 1993 report by the PHS Committee to Coordinate Environmenta...
متن کاملWear of dental amalgam.
The wear of cental amalgam was studied by single- and double-pass sliding and by a silicon carbide abrasion test. A dispersed amalgam showed significantly better resistance to two-body abrasion than the spherical amalgams tested. The wear amalgam was determined by resistance to penetration and by a ductile mode of surface failure over the load range studied. Differences in the wear of amalgam a...
متن کاملMicrostructure of dental amalgam.
Numerous studies have been done in the past to identify the phases present in dental amalgam. Both metallographic and X-ray diffraction techniques have been used.-' Most researchers now presume that dental amalgam consists mainly of three phases. The original particle is an alloy of Ag, Sn, Cu, and sometimes Zn; the major portion is the compound Ag3Sn, which is often referred to as Py. After am...
متن کاملDental amalgam--environmental aspects.
Increasing knowledge about the risk of toxic effects caused by anthropogenic mercury accumulation in ecosystems has resulted in a growing pressure for reduction of the discharge of mercury waste. Consequently, the mercury waste problems of dental clinics have been given increased attention, and restrictions on handling and discharge of contaminated waste have been established in several countri...
متن کاملThe safety of dental amalgam and alternative dental restoration materials for patients and users.
......................................................................................................... 4 EXECUTIVE SUMMARY........................................................................................... 9 1. BACKGROUND ........................................................................................... 12 2. TERMS OF REFERENCE...................................................
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ژورنال
عنوان ژورنال: Acta Scientific Dental Scienecs
سال: 2019
ISSN: 2581-4893
DOI: 10.31080/asds.2019.03.0650