نتایج جستجو برای: mta خاکستری

تعداد نتایج: 4077  

2016
Muzaffer Emir Dinçol Hakan Ozbas Bulent Yılmaz Handan Ersev Selcuk Gokyay Vakur Olgac

BACKGROUND Due to the detrimental effect of blood contamination on the physico-chemical properties of mineral trioxide aggregate (MTA), obtaining an effective hemostasis in the surgical crypt during apical surgery is of paramount importance. The purpose of this in vivo study was to analyze the effect of Ankaferd Blood Stopper® (ABS) contamination on the biocompatibility of MTA. METHODS Forty ...

2017
Fereshte Sobhnamayan Alireza Adl Nooshin Sadat Shojaee Mahdi Sedigh-Shams Elnaz Zarghami

Introduction The aim of the present study was to evaluate and compare the compressive strength (CS) of mineral trioxide aggregate (MTA) and calcium-enriched mixture (CEM) cement when mixed with propylene glycol (PG). Methods and Materials Twenty four custom-made split molds with 5 holes in each were prepared. Molds were allocated into eight groups (n=15 holes) as follows: Groups 1,5: CEM and ...

Journal: :Pediatric dentistry 2004
Hadeer A Agamy Niveen S Bakry Maha M F Mounir David R Avery

PURPOSE The aim of this study was to use clinical, radiographic, and histologic examinations to compare the relative success of gray mineral trioxide aggregate (MTA), white MTA, and formocresol as pulp dressings in pulpotomized primary teeth. METHODS Twenty-four children, each with at least 3 primary molars requiring pulpotomy, were selected for this study's clinical and radiographic portion....

2013
Mohammad Samiei Mohammad Aghazadeh Mehrdad Lotfi Sahar Shakoei Zahra Aghazadeh Seyyed Mahdi Vahid Pakdel

INTRODUCTION Most current root-end filling materials do not provide a perfect seal. Thus, a microscopic space is likely to exist in the interface between walls of the root-end cavity and filling material, which allows microorganisms and their products to penetrate. In addition to good sealing ability and biocompatibility, root-end filling materials should ideally have some antimicrobial activit...

Journal: :Hepatology 2004
Henar Hevia Marta Varela-Rey Fernando J Corrales Carmen Berasain María L Martínez-Chantar M Ujue Latasa Shelly C Lu José M Mato Elena R García-Trevijano Matías A Avila

5'-methylthioadenosine (MTA) is a nucleoside generated from S-adenosylmethionine (AdoMet) during polyamine synthesis. Recent evidence indicates that AdoMet modulates in vivo the production of inflammatory mediators. We have evaluated the anti-inflammatory properties of MTA in bacterial lipopolysaccharide (LPS) challenged mice, murine macrophage RAW 264.7 cells, and isolated rat hepatocytes trea...

Journal: :Journal of dentistry 2011
Cristina Cardoso-Silva Elena Barbería Myriam Maroto Franklin García-Godoy

OBJECTIVES The aim of the present study was to conduct a clinical and radiographic long-term evaluation of pulpotomy in temporary molars performed with Grey and White Mineral Trioxide Aggregate (MTA) and compare the results of Grey and White MTA pulpotomies in a sample of 233 primary molars with a maximum follow-up period of 84 months. METHODS The sample was selected from patients treated at ...

2017
Michelle Shin Jung-Wei Chen Chi-Yang Tsai Raydolfo Aprecio Wu Zhang Ji Min Yochim Naichia Teng Mahmoud Torabinejad

Purpose. To compare the biocompatibility and antimicrobial effectiveness of the new Fast-Set MTA (FS-MTA) with ProRoot MTA (RS-MTA). Methods. The agar overlay method with neutral red dye was used. L929 mouse fibroblast cells were cultured. The liquid and oil extracts and solid test material were placed on the agar overlay, four samples for each material. Phenol was used as the positive control ...

Journal: :Journal of endodontics 2003
Saad Al-Nazhan Aziza Al-Judai

The purpose of this investigation was to study, in vitro, the antifungal effect of mineral trioxide aggregate (MTA) using a tube-dilution test. MTA was tested freshly mixed and after 24 h set on Candida albicans. The tested MTA was incubated with C. albicans for 1 h, 24 h, and 3 days. Results showed that the freshly mixed MTA was effective in killing the tested fungi after 1 day of contact, whe...

Journal: :Brazilian dental journal 2013
Spyros G Floratos Ioannis N Tsatsoulis Evangelos G Kontakiotis

Two cases are reported in which incomplete placement of 4 mm mineral trioxide aggregate (MTA) plug was performed unintentionally at the apical third of permanent immature teeth with open apex and apical periodontitis. As confirmed radiographically, there were gaps between MTA and dentinal walls along the MTA-dentin interface. After setting of MTA was confirmed, endodontic treatment was complete...

Journal: :International endodontic journal 2005
E P Hernandez T M Botero M G Mantellini N J McDonald J E Nör

AIM To compare the percentage of apoptotic cells and the cell cycle profile of fibroblasts and macrophages exposed to either ProRoot mineral trioxide aggregate (MTA) mixed with chlorhexidine (CHX), or exposed to ProRoot MTA mixed with sterile water. METHODOLOGY Mouse gingival fibroblasts or mouse macrophages were seeded in six-well plates and allowed to attach overnight. Freshly mixed or set ...

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