نتایج جستجو برای: amalgam

تعداد نتایج: 2640  

2016
Justyna Opydo-Szymaczek

The paper presents results of the study on electrochemical potentials of metallic dental materials. Seven alloys, amalgam and chromium-nickel steel were examined as well as the effect of the solution conductivity ranging from 12.5 μS/cm to 2.01 mS/cm and solution pH within the range of 5.5 to 11.2 on electrochemical potentials of the materials. Amalgam presented with the lowest changes of the s...

Journal: :مجله دندانپزشکی 0
کاظم خسروی k. khosravi پروانه بهرامی اسفرجانی p. bahrami esfarjani

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 ...

2008
Katja Antony Dieter Genser Cora Hiebinger Friederike Windisch

HEALTH POLITICAL BACKGROUND Caries is one of the most prevalent diseases worldwide. For (direct) restaurations of carious lesions, tooth-coloured composite materials are increasingly used. The compulsory health insurance pays for composite fillings in front teeth; in posterior teeth, patients have to bear the extra cost. SCIENTIFIC BACKGROUND Amalgam is an alloy of mercury and other metals an...

Rostam Yazdi, Kamran, Tabrizizadeh, Mehdi,

A comparison of microleakage between two retrograde filling materials (MTA and Amalgam) using dye leakage method Dr. M. Tabrizizadeh* - Dr. K. Rostam Yazdi** *- Assistant Professor of Endodontics Dept. – Faculty of Dentistry – Yazd University of Medical Sciences. **- Dentist. Background and Aim: There is a need for a material with high sealing ability to prevent bacterial and tissue secretions ...

Journal: :Pakistan Journal of Medical and Health Sciences 2021

Aim: To determine the factors affecting selection of material choice in posterior teeth. Methods: Descriptive cross-sectional study done June-December 2015 at Liaquat University Medical and Health Sciences, Jamshoro. Individuals who refused to participate were eliminated from sample. Each dentist signed an informed consent form. Personal data entered on a proforma/consent The collection tool wa...

Journal: :Revista panamericana de salud publica = Pan American journal of public health 2013
Saskia Estupiñán-Day Marisol Tellez Sundeep Kaur Trevor Milner Alfredo Solari

OBJECTIVE To compare survival rates and cost differentials between the atraumatic restorative treatment (ART) technique and amalgams by type of dental personnel in Ecuador, Panama, and Uruguay. METHODS Children 7 to 9 years of age in rural and urban schools with at least one lesion with initial cavitated enamel caries or a dentinal lesion on a first permanent molar were selected and randomize...

2010
Keith H. S. Chan Yanjie Mai Harry Kim Keith C. T. Tong Desmond Ng Jimmy C. M. Hsiao

The leading cause of oral pain and tooth loss is from caries and their treatment include restoration using amalgam, resin, porcelain and gold, endodontic therapy and extraction. Resin composite restorations have grown popular over the last half a century because it can take shades more similar to enamel. Here, we discuss the history and use of resin, comparison between amalgam and resin, clinic...

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...

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