نتایج جستجو برای: amalgam corrosion
تعداد نتایج: 34001 فیلتر نتایج به سال:
Amalgam tattoos are common exogenous pigmented lesions of the oral mucosa occurring mainly by inadvertent placement of amalgam particles into soft tissues. The diagnosis of amalgam tattoo is simple, usually based on clinical findings associated with presence or history of amalgam fillings removal. Intraoral X-rays may be helpful in detecting amalgam-related radiopacity. In cases where amalgam t...
BACKGROUND The intense development of adhesive restorative materials and parents' preferences for esthetic restorations prompt clinicians to use alternative restorative materials for primary molars. Amalgam, however, is the choice of material when it comes to occlusal stress bearing areas, either in primary or permanent molars. To overcome the drawbacks of amalgam and restorative adhesive mater...
Thirty-three patients, 7-13 years of age, demonstrated 96 pairs of contralateral occlusal fissure a_~d buccal and lingual pit cavities which were restored with a high-copper amMgam. One restoration of each pair was polished with a slurry of XXX Silex in an unwebbed rubber cup at eight minutes following trituration. The contralateral restoration was finished at least 24 hours after iasertion wit...
Dentists all over the world remove millions of amalgam fillings every day, with no regard for the possible mercury exposure that can result from grinding them out. Much of the time, a new amalgam filling goes back in place of the old one. The dental establishment claims that amalgam is a stable material, that emits little or no mercury, but then turns around and blames the mercury–free dentists...
BACKGROUND Combined amalgam-composite restorations have been used through many years to benefit from the advantages of both dental amalgam and composite resin. Two variations have been mentioned for this technique, this study investigated the fracture resistance of maxillary premolar teeth with extended mesio-occluso-distal (MOD) cavities, restored with the two variations of combined amalgam-co...
Dentists all over the world remove millions of amalgam fillings every day, with no regard for the possible mercury exposure that can result from grinding them out. Much of the time, a new amalgam filling goes back in place of the old one. The dental establishment claims that amalgam is a stable material, that emits little or no mercury, but then turns around and blames the mercury–free dentists...
Dentists all over the world remove millions of amalgam fillings every day, with no regard for the possible mercury exposure that can result from grinding them out. Much of the time, a new amalgam filling goes back in place of the old one. The dental establishment claims that amalgam is a stable material, that emits little or no mercury, but then turns around and blames the mercury–free dentists...
The microleakage of Cinaally amalgam, manufactured by Dr Faghihi Co. which is a high copper alloy and fine-cut amalgam was evaluated by radioisotope agents. The microleakage of cinaally amalgam was compared with Sybraloy amalgam, manufactured by Sybron/Kerr Co. which is a high copper alloy and spherical shape amalgam and is known as a standard amalgam alloy. The results showed that there is no...
OBJECTIVE The objective of this study was to quantify the relationship between number of dental amalgam surfaces and urinary mercury levels. METHODS This study uses participant data from a large philanthropic chronic disease prevention program in Calgary, Alberta, Canada. Urine samples were analysed for mercury levels (measured in μg/g-creatinine). T-tests were used to determine if difference...
Objective. The purpose of this review paper is to review the literature regarding the toxicology of mercury from dental amalgam and evaluate current statements on dental amalgam. Materials and Methods. Two key-words "dental amalgam" and "toxicity" were used to search publications on dental amalgam biocompatibility published in peer-reviewed journals written in English. Manual search was also co...
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