نتایج جستجو برای: white mineral trioxide aggregate

تعداد نتایج: 291902  

Journal: :Journal of endodontics 2006
Mahmut Sumer Mehtap Muglali Emre Bodrumlu Tolga Guvenc

The aim of this study was to histopathologically examine the biocompatibility of the high-copper amalgam, intermediate restorative material (IRM), mineral trioxide aggregate (MTA), and MTA mixed with chlorhexidine (CHX). This study was conducted to observe the rat subcutaneous connective tissue reaction to the implanted tubes filled with amalgam, IRM, MTA, and MTA mixed with CHX. The animals we...

2017
Tahereh Pornamazeh Zahra Yadegari Amir Ghasemi Seyedeh Mahsa Sheykh-al-Eslamian Shiva Shojaeian

Introduction The present study sought to evaluate and compare biocompatibility and setting time of Retro mineral trioxide aggregate (MTA), calcium-enriched mixture (CEM) and Angelus MTA. Methods and Materials CEM cement, Angelus MTA and Retro MTA were assessed in set and fresh states. Extracts transformed to each cavity of three 24-well plates in which 1×104 cell were seeded into each well 24...

جلیل توکل افشاری, جمیله قدوسی, فاطمه شهرامی محمدعلی فهمیده کار مریم بیدار,

مقدمه: استئوبلاستها و سلول های لیگامان پریودنتال سلول های اصلی برای ترمیم زخم های پس از قطع انتهای ریشه هستند. تداخل بین سلول های استئوبلاست بصورت تماس مستقیم با مواد پرکننده انتهای ریشه نقش حیاتی در ترمیم زخم های جراحی دارند. هدف از این مطالعه ارزیابی مورفولوژی و چسبندگی سلولهای استئوبلاست انسان در مجاورت MTA تیره، MTA سفید و IRM بعنوان مواد پرکننده انتهای ریشه توسط اسکن میکروسکپ الکترونی بود...

2014
Kee Yeon Kum Yeon Jee Yoo Seok Woo Chang

Purpose: This study sought to compare the elemental constitution, morphological characteristics, particle size distribution, biocompatibility, and mineralization potential of Ortho MTA (OMTA) and ProRoot MTA (PMTA). Materials and Methods: OMTA and PMTA were compared using energy-dispersive spectrometry, particle size analysis, and scanning electron microscopy. The biocompatibility and mineraliz...

Journal: :International endodontic journal 2008
J Camilleri

OBJECTIVE To characterize the hydration products of white mineral trioxide aggregate (MTA). METHODOLOGY Mineral trioxide aggregate, white Portland cement and bismuth oxide were evaluated using X-ray diffraction (XRD) analysis and Rietveld XRD. The cements were tested un-hydrated and after hydration and curing for 30 days at 37 degrees C. Analysis of hydrated cement leachate was performed week...

Journal: :Journal of Dental Research, Dental Clinics, Dental Prospects 2018

Journal: :iranian endodontic journal 0
negin ghasemi saeed rahimi mehrdad lotfi jafar solaimanirad shahriar shahi hajar shafaie

introduction: one of the hypotheses regarding the calcification induction by mineral trioxide aggregate (mta) is the involvement of transforming growth factor-beta (tgf- β ) super family. calcium-enriched mixture (cem) cement is one of the endodontic biomaterials with clinical applications similar to mta. the aim of the present in vitro study was to compare the induction of bone morphogenic pro...

Journal: :Open Access Journal of Dental Sciences 2020

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