نتایج جستجو برای: amalgam base

تعداد نتایج: 259947  

2013
Sangeeta Talwar Gaurav Garg

Worldwide publicity of the amalgam controversy has intensified the growing concerns on its utilization and safety. This controversy has grown beyond the confines of the dental profession itself and has become an emotional public health issue. Amalgam has been the material of choice for restoring posterior teeth for more than 100 years. Presently, there has been a shift toward resin composite an...

2012
Irfan Ahmad

adhesive (green). _Besides the physical and mechanical properties of dental amalgam, one of the main reasons for its success is its clinical simplicity and forgiving technique. The derisory “drill and fill” slogan associated with dental treatment pertinently describes the provision of an amalgam restoration. The usual protocol for amalgam restorations is a single-stage procedure. Following deca...

Journal: :Brazilian oral research 2008
Fernanda Sardenberg Clarissa Calil Bonifácio Mariana Minatel Braga José Carlos Pettorossi Imparato Fausto Medeiros Mendes

The aim of this in vitro study was to evaluate four different approaches to the decision of changing or not defective amalgam restorations in first primary molar teeth concerning the loss of dental structure. Ditched amalgam restorations (n = 11) were submitted to four different treatments, as follows: Control group - polishing and finishing of the restorations were carried out; Amalgam group -...

Journal: :Advances in dental research 1992
J W Osborne

Dental diseases are among the most common ailments, and dentists in the United States spend over 50% of their time in dental practice rebuilding carious, malformed, and traumatically injured teeth. It is logical, therefore, that the majority of the dental school curriculum is devoted to the diagnosis, prevention, and treatment of teeth with anomalies. Dentists have several choices of materials ...

Journal: :JAMA 2006
Timothy A DeRouen Michael D Martin Brian G Leroux Brenda D Townes James S Woods Jorge Leitão Alexandre Castro-Caldas Henrique Luis Mario Bernardo Gail Rosenbaum Isabel P Martins

CONTEXT Dental (silver) amalgam is a widely used restorative material containing 50% elemental mercury that emits small amounts of mercury vapor. No randomized clinical trials have determined whether there are significant health risks associated with this low-level mercury exposure. OBJECTIVE To assess the safety of dental amalgam restorations in children. DESIGN A randomized clinical trial...

Journal: :Australian dental journal 2000
G Chin J Chong A Kluczewska A Lau S Gorjy M Tennant

Dental amalgam is one of the most commonly used materials in restorative dentistry. However, one of its major components, mercury, is of particular concern due to its potential adverse effects on humans and the environment. In this review, the environmental impact of dental amalgam will be discussed, with particular reference to the effects attributed to its mercury component. Mercury commonly ...

Journal: :The Journal of the American Dental Association 2019

Journal: :Operative dentistry 2011
M Ozcan E Salihoğlu-Yener

This clinical report describes a repair protocol for cusp fracture of a failed amalgam-dentin complex. A maxillary right first premolar with an amalgam restoration presented a buccal cusp fracture. Chairside repair has been undertaken by conditioning the existing amalgam restoration with silica coating (30 μm CoJet®-Sand), phosphoric acid etching the beveled enamel surface, priming dentin, and ...

Introduction: Amalgam, which can be applied with or without dowel, is one of the commonly used restorative materials for core restoration in pulpless teeth. The current study aimed to compare the shear strength of amalgam cores with and without dowel. Methods: A total number of 20 recently extracted mandibular premolars were assigned to two groups of 10 equal s...

2016
Agnete Egilsdatter Kristoffersen Terje Alræk Trine Stub Harald Johan Hamre Lars Björkman Frauke Musial

BACKGROUND Many patients have complex health complaints they attribute to dental amalgam. There is some evidence of symptom relief after removal of amalgam. OBJECTIVE The aims of this study were to assess the total symptom load in patients with all their amalgam fillings removed, and to investigate the self-reported improvement of health with regard to precautions taken under amalgam removal ...

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