نتایج جستجو برای: post amalgam

تعداد نتایج: 407010  

2003

The Case Against Amalgam ............................................................................. 1 Amalgam releases significant quantities of mercury. ........................................... 2 Mercury distributes to tissues around the body................................................... 4 Maternal – fetal transfer of mercury.............................................................

2009
David Wilson

Informally, an amalgam is a group ‘sitting inside’ two other groups and the coset graph is a way to look at how the cosets of subgroups interact. These are combined in the amalgam method — a way of classifying amalgams satisfying certain conditions. The amalgam method was used in the classifications of finite simple groups, and is discussed in Classification of Finite Simple Groups no. 2 by Gor...

Journal: :Neuro endocrinology letters 2004
Jarmila Prochazkova Ivan Sterzl Hana Kucerova Jirina Bartova Vera D M Stejskal

BACKGROUND Patients with certain autoimmune and allergic diseases, such as systemic lupus, multiple sclerosis, autoimmune thyroiditis or atopic eczema, often show increased lymphocyte stimulation by low doses of inorganic mercury in vitro. The patients often report clinical metal hypersensitivity, especially to nickel. OBJECTIVE AND METHODS In this study we examined the health impact of amalg...

Journal: :Journal of dental education 2015
Rosalia Rey Susan Nimmo Gail S Childs Linda S Behar-Horenstein

Dental clinicians have an expanding range of biomaterial choices for restoring tooth structure. Scientific developments in cariology, advances in dental biomaterials, and patients' esthetic concerns have led to a reduction in amalgam restorations and an increase in composite restorations. The aim of this study was to compare teaching time with students' clinical procedures in amalgam and compos...

2013
s. bayne P. e. Petersen D. Piper G. schmalz D. meyer

amalgam whenever possible, and environmental protection from dental materials use, including, obviously, impacts from Hg. A new general-purpose restorative material is needed as an amalgam alternative. This transition is reviewed from the point of view of international efforts at prevention, coordination of Hg management with a UNEP treaty, concern for adverse reactions from any treatments, and...

Journal: :Brazilian dental journal 2002
Marcelo Giannini Luis Alexandre Maffei Sartini Paulillo Gláucia Maria Bovi Ambrosano

The objective of this in vitro study was to evaluate the effect of three surface treatments and two adhesive systems on the shear bond strength of old and freshly placed amalgam. The results suggested that the intact amalgam showed a significantly higher strength than repaired groups and the strongest repaired specimens were made when the amalgam surfaces were roughened with a diamond bur or mi...

Journal: :British Dental Journal 2019

1995
G. Mark Richardson

For Canadians with amalgam-filled teeth, it was estimated that total mercury (Hg) exposure averages: 3.3 µg Hg/day in toddlers (aged 3 to 4 years); 5.6 µg Hg/day in children (aged 5 to 11 years); 6.7 µg Hg/day in teens (aged 12 to 19 years); 9.4 µg Hg/day in adults (aged 20 to 59 years); and 6.8 µg Hg/day in seniors (aged 60+ years). Of this exposure, amalgam was estimated to contribute 50% to ...

Journal: :Revista Eletrônica Acervo Saúde 2023

Objective: To carry out an integrative literature review collecting findings on the longevity of dental amalgam, comparing them with composite resin. Methods: The PubMed, Virtual Health Library (VHL) and LILACS databases were used to search for scientific articles. For search, following keywords applied: Amalgam, Dental Restorations, Survival, Longevity, Failure. All descriptors combined each o...

ژورنال: مجله دندانپزشکی 2004
برهان حقیقی, زهره, شفیعی, فرشته,

Statement of Problem: Because dental amalgam does not adhere to tooth structure, using adhesive cements in amalgam-bonded restorations have been increased. Purpose: The goal of this in-vitro study was to compare the effects of three types of glass ionomer as adhesive liners as well as varnish liner in increasing fracture resistance of teeth restored with amalgam. Materials and Methods: Seventy ...

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