نتایج جستجو برای: آمالگام amalgam

تعداد نتایج: 2822  

2009
Pravinkumar G. Patil Rambhau D. Parkhedkar

Single complete denture opposing natural dentition is a common occurrence in clinical practice. This article reports a case of a single complete denture with a technique of occlusal refinement by functionally generated amalgam stops condensed in prepared resin teeth after initial balancing of the denture with semi-adjustable articulator. This technique provides intimacy of contact in all excurs...

Introduction Recurrent or secondary caries develops at the margin of restorations and causes restorative failure. We conducted this study to compare the performance of Phosphor Storage Plate (PSP) and Cone Beam Computed Tomography (CBCT) scan in detecting buccal recurrent caries under amalgam and composite resin restorations. Materials and Methods Class V cavities were prepared on the buccal...

ژورنال: مجله دندانپزشکی 2008
آرامی, سکینه, حسنی طباطبایی, معصومه, طباطبایی, شیرین, قوام, مریم, میرزایی, منصوره, پهلوان, ایوب, کرمانشاه, حمید, یاسینی, اسماعیل,

Background and Aim: Amalgam is one of the mostly used restorative materials, but has some disadvantages. Microleakage is one of the short comings of amalgam which may lead to sensitivity and recurrent caries. The aim of this study was to evaluate the effect of three dentin bonding systems on reduction of microleakage in amalgam restorations. Materials and Methods: Class II amalgam restorations...

Introduction: Dental amalgam is regarded as a popular restorative material. The purpose of this study is to investigate the reasons of replacing amalgam restorations in patients referring to Babol dental school within 2013-2014. Methods: In this analytic-descriptive study, age, sex, type of occlusion DMF, existence of parafunction, as well as type of tooth, restoration class and reason of amal...

2017
Jonathan Sappl Ralph Freund

We have synthesized a new Cu amalgam, the Cu-rich phase Cu3Hg. It crystallizes with the Ni3Sn structure type with a hexagonal unit cell (space group P63/mmc , a = 5.408(4) Å, c = 4.390(3) Å) and shows some mixed occupancy of Cu on the Hg site, resulting in a refined composition of Cu3.11Hg0.89. This is the first example of an amalgam with the Ni3Sn structure type where Hg is located mainly on t...

2002
Michael Gamon Eric Ringger Simon Corston-Oliver

Amalgam is a novel system for sentence realization during natural language generation. Amalgam takes as input a logical form graph, which it transforms through a series of modules involving machine-learned and knowledge-engineered sub-modules into a syntactic representation from which an output sentence is read. Amalgam constrains the search for a fluent sentence realization by following a ling...

2009
F. Unalan H. Bilhan

The purpose of this study was to determine the galvanic interaction between pure titanium, a CoCrMo alloy, as well as their galvanic interaction with a high copper and a conventional amalgam at different area ratios. Pure titanium, a CoCrMo alloy and two dental amalgams with different copper compositions were tested in this study in 0.9% NaCl environment of pH 7. Polarization curves were record...

Journal: :Dental materials journal 2011
Luigi Cianconi Gabriele Conte Manuele Mancini

This study evaluated the shear bond strength, failure modes, and confocal microscopy of two different amalgam alloy restorations lined with five adhesive systems. Two regular-set high-copper dental amalgam alloys, Amalcap Plus and Valiant Ph.D, and five commercially available adhesive systems were selected. One hundred and twenty freshly-extracted human third molars were used for the study. The...

Journal: :Journal of dental research 1986
E S Grossman M J Witcomb A Jodaikin

X-ray micro-analysis was used to determine the elemental composition of the tooth, amalgam, and base material of ten aged, amalgam-restored, posterior teeth after they had been fractured across the amalgam-tooth interface. Subsequently, replicas were used to remove marginal seal material from each interface for examination by x-ray micro-analysis. The results show that P and Sn were present in ...

Journal: :Journal of Medical Case Reports 2008
Fabrizia Bamonti Gianpaolo Guzzi Maria Elena Ferrero

INTRODUCTION Sudden fever of unknown origin is quite a common emergency and may lead to hospitalization. A rise in body temperature can be caused by infectious diseases and by other types of medical condition. This case report is of a woman who had fever at night for several days and other clinical signs which were likely related to cracked dental mercury amalgam. CASE PRESENTATION A healthy ...

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