نتایج جستجو برای: mineral trioxide aggregate

تعداد نتایج: 113307  

2014
D. Malarvizhi M. Kavitha A. Karthick Sree Balaji

Introduction: The aim of this study was to evaluate the sealing ability of Bioactive glass (BG) and Bioactive glass-Hydroxyapatite (BG-HA) in comparison to Mineral Trioxide Aggregate (MTA). Methods: The sealing ability of Bioactive glass and Bioactive glass-hydroxyapatite mixed with glass ionomer cement and Mineral Trioxide Aggregate used as retrograde filling material was assessed by bacterial...

Journal: :iranian endodontic journal 0
hamed manochehrifar masoud parirokh sina kakooei mohammad mehdi oloomi saeed asgary mohammad jafar eghbal

introduction: the aim of the present investigation was to compare the efficacy of mineral trioxide aggregate (mta) and 0.2% chlorhexidine (chx) mixture to pure mta, as a pulp capping material. methods and materials: the pulp of 24 lateral incisors and canines from four dogs were exposed and capped either with mta or mta+0.2% chx. after 2 months the animals were sacrificed and the teeth were pre...

Journal: :iranian endodontic journal 0
mohammad samiei shahriar shahi naser aslaminabadi hadi valizadeh zahra aghazadeh seyyed mahdi vahid pakdel

introduction: solubility of mineral trioxide aggregate (mta) is an important characteristic that affects other properties such as microleakage and biocompatibility. distilled water (dw) has previously been used for solubility tests. this experimental study compared the solubility of mta in dw, synthetic tissue fluid (stf) and new simulated plasma (sp). methods and materials: in this study, 36 s...

Journal: :iranian endodontic journal 0
saeed asgary hamid reza motazedian masoud parirokh mohammad jafar eghbal sanam kheirieh

introduction: mineral trioxide aggregate (mta) has been suggested for root-end filling, vital pulp therapy, apical plug, perforations repair, and root canal filling. since the introduction of mta in 1993, many studies about this material have been published. the aim of this survey was to illustrate statistical information about published articles in pubmed-index journals vis-à-vis the various a...

ژورنال: :مجله دانشکده دندانپزشکی اصفهان 0
علی اخوان فرناز تاجمیرریاحی مژده مهدی زاده امیر محمد شاه ناصری ali akhavan farnaz tajmir riahi

مقدمه: به تازگی دو سمان جدید (calcium aluminate α aluminate) caa و (wollastonite calcium α aluminate) wolca با سازگاری نسجی و قابلیت سیل کنندگی مناسب معرفی شده اند، اما رادیواپسیتی این دو ماده هنوز مشخص نمی باشد. هدف پژوهش حاضر، تعیین حداقل میزان مورد نیاز دو نوع رادیواپسی فایر جهت افزودن به سمان های caa و wolca به منظور تأمین رادیواپسیتی مورد انتظار و مقایسه آن ها با pro-root mta و سمان پرتلند...

Journal: :journal of dental materials and techniques 0
mahsa dastpak postgraduate student of endodontics, mashhad university of medical sciences, mashhad, iran hamid jafarzadeh associate professor, department of endodontics, school of dentistry, mashhad university of medical sciences, mashhad, iran elham najafi postgraduate student of endodontics, mashhad university of medical sciences, mashhad, iran

external inflammatory root resorption (eir) represents a challenge in endodontic practice. eir commonly occurs after dental trauma that results in periodontal ligament injury, pulp necrosis and subsequent infection.  treatment of eir is based on disinfecting the root canal system through chemomechanical procedures and then filling it with calcium hydroxide or triple antibiotic paste. dental tra...

Journal: :journal of dentomaxillofacil radiology, pathology and surgery 0
shiva sadeghi oro-maxillofacial developmental disease research center, department of endodontics, dental school , guilan university of medical sciences, rasht, iran ali ali akbari private practice

introduction: mineral trioxide aggregate (mta) as an alternative material to gutta-percha for obturation of root canal in special cases has several drawbacks. the purpose of this study was to compare the apical sealing ability of a new mta-based sealer versus mta. materials and methods: a total of 36 canals of extracted maxillary central incisors were instrumented and randomly divided into 3 ex...

2014
Mithra N Hegde Aditya Shetty Chitharanjan Shetty

The main aim of an ideal retrograde filling material is to seal the pathways of communication between surrounding tissues and the root canal system , hence mineral trioxide aggregate (MTA ) which is a biocompatible and a nontoxic material was developed for dentistry. This material allows normal healing response due to the formation of new cementum and bone. Calcium and phosphorus are the main i...

Journal: :iranian endodontic journal 0
fatemeh ayatolahi mahdi tabrizizadeh fatemeh zare bidoki reza ayatollahi milad hazeri baghdadabad

introduction: the aim of this study was to compare the marginal adaptation of mineral trioxide aggregate (mta) and calcium-enriched mixture(cem) cement apical plugs in open apex teeth in dry, blood- and saliva-contaminated canals. methods and materials: a total of 120 human extracted single-rooted teeth were used. the teeth were decoronated and canals were cleaned and shaped up to #80 k-files. ...

Journal: :iranian endodontic journal 0
roza haghgoo shahed university farid abbasi shahed university

introduction : furcal perforations are one of the most challenging causes of endodontic failures. several materials including mta have been used for non surgical repair of these perforations. the aim of this study was to compare treatment outcome of furcal perforation treatment in primary molars using root mta and proroot mta. materials and methods: this in vitro study was conducted on 54 prima...

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