نتایج جستجو برای: endodontic cement

تعداد نتایج: 34443  

Journal: :Cumhuriyet Dental Journal 2023

Today, the use of micro-computed tomography is becoming widespread in almost every field dental research. When national review articles on are examined, it seen that focus endodontic and surgical applications. As prosthodontists, our article, which was compiled order to deepen specific usage areas applications studies done this area, provides information about method prosthetic dentistry. Micro...

Journal: :Dentistry 2022

A tooth that has been properly treated endodontically should have a good prognosis. It can resume full function and if necessary serve satisfactory as an abutment for fixed removable partial denture. However special techniques are needed to restore such tooth. Traditionally, pulpless received dowel or post “reinforce” it crown “protect” it. Until the introduction of ZnPO4 cement in last century...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سیستان و بلوچستان 1390

cement is an essential ingredient in the concrete buildings. for production of cement considerable amount of fossil fuel and electrical energy is consumed. on the other hand for generating one tone of portland cement, nearly one ton of carbon dioxide is released. it shows that 7 percent of the total released carbon dioxide in the world relates to the cement industry. considering ecological issu...

2015
Naglaa Nabil Abdelkader

The aim of this study is to report a case of a nonvital, discolored, maxillary central incisor bleached by 35% hydrogen peroxide gel with the use of glass ionomer cement as a mechanical barrier in an attempt to minimize the undesirable side effects of intracoronal bleaching. The patient was a 13-year-old boy complaining of a discolored nonvital upper-right central incisor and was selected for t...

Journal: :Acta odontologica latinoamericana : AOL 2010
Alvaro H Borges Fábio L M Pedro Carlos E S Miranda Alex Semenoff-Segundo Jesus D Pécora Antônio M Cruz Filho

The purpose of this investigation was to evaluate the physicochemical properties of gray and white structural and nonstructural Portland cement, gray and white ProRoot MTA and MTA BIO. The water/powder ratio, setting time, solubility and pH (hydrogen-ion potential) changes of the materials were evaluated. Tests followed specification #57 from the American National Standard Institute/American De...

2016
Selen Küçükkaya Mehmet Ömer Görduysus Naciye Dilara Zeybek Sevda Fatma Müftüoğlu

The aim of this study was to evaluate the cytotoxicity of three types of calcium silicate-based endodontic cement after different incubation periods with human periodontal ligament fibroblasts. Human periodontal ligament fibroblasts were cultured from extracted third molars and seeded in 96-well plates. MTA, calcium enriched mixture (CEM) cement, and Biodentine were prepared and added to cultur...

2016

The periapical area in teeth with chronic lesions is characterized by changes in the adjacent bone structure and periodontal ligaments, as well as in the cement and dentine. In a large percentage of cases, the apical physiological constriction is ether absent or expanded. The absence of a constriction makes it a challenge to achieve satisfactory treatment results.The present case report describ...

2010
A. Maria Cherng Shozo Takagi Laurence C. Chow

A calcium phosphate cement (CPC) was shown to have the necessary attributes for endodontic materials except adequate basicity needed for antimicrobial properties. To enhance its basicity, tricalcium silicate (Ca3SiO5), a highly alkaline compound, was added to CPC at a mass fraction of 0.25, 0.5 or 0.75. The basicity, acid neutralization and physical properties of the CPC-Ca3SiO5 composites were...

2008
Jamileh Ghoddusi Jalil Tavakkol Afshari Zakiyeh Donyavi Azam Brook Reza Disfani Mohammad Esmaeelzadeh

INTRODUCTION The aim of this study was to compare the cytotoxicity of Mineral Trioxide Aggregate (MTA) and a New Endodontic Cement (NEC) on L929 mouse fibroblasts. MATERIALS AND METHODS Different dilutions (Neat, 1/2, 1/10, 1/100) of fresh and set materials placed adjacent flasks of L929 in DMEM medium. Cellular viability was assessed using MTT assay in three time intervals (24, 48, and 72 h ...

2015
Navroop Kaur Bajwa Mahesh Madhukar Jingarwar Anuradha Pathak

UNLABELLED Aim of this article is to present a case wherein single visit apexification of a traumatically injured tooth was done with a bioactive material-Biodentine. An injury sustained between the ages of 6 and 14 can adversely affect pulpal health and interrupt root development. In these instances, apexification is generally the preferred treatment. A 10 years old male patient presented with...

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