نتایج جستجو برای: cem cement

تعداد نتایج: 30053  

2015
Fereshte Sobhnamayan Alireza Adl Nooshin Sadat Shojaee Samina Gavahian

INTRODUCTION The aim of this in vitro study was to evaluate the effect of 2% chlorhexidine (CHX) on the push-out bond strength (BS) of calcium-enriched mixture (CEM) cement. METHODS AND MATERIALS Root-dentin slices from 60 single-rooted human teeth with the lumen diameter of 1.3 mm were used. The samples were randomly divided into 4 groups (n=15), and their lumens were filled with CEM cement ...

2016
Armita Rouhani Majid Akbari Aida Farhadi-faz

INTRODUCTION The aim of this in vitro study was to evaluate the tooth discoloration induced by calcium-enriched mixture (CEM) cement and mineral trioxide aggregate (MTA). METHODS AND MATERIALS Forty five endodontically treated human maxillary central incisors were selected and divided into three groups (n=15) after removing the coronal 3 mm of the obturating materials. In the MTA group, white...

2016
Safoora Sahebi Fereshte Sobhnamayan Sina Naghizade

INTRODUCTION The aim of this in vitro study was to evaluate the effect of various irrigants on the push-out bond strength of calcium-enriched mixture (CEM) cement and mineral trioxide aggregate (MTA). METHODS AND MATERIALS A total of 140 dentin disks with a thickness of 1.5±0.2 mm and lumen size of 1.3 mm, were randomly divided into 12 groups (n=10) and 4 control groups (n=5). The lumen of di...

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: :journal of periodontology and implant dentistry 0
reza amid maryam torshabi kasra tabari mahdi kadkhodazadeh sarah eslami mitra ghazizadeh ahsaie

background and aims. the aim of this study was to compare the biocompatibility of calcium-enriched mixture ce-ment (cem), composite resin and nano-particled mineral trioxide aggregate (np-mta) using human gingival fibroblasts. materials and methods. a comparative in vitro cell culture study was carried out using 60 single-rooted teeth which were assigned to the following four groups: 1) untreat...

Journal: :iranian endodontic journal 0
saeed asgary department of endodontics, iranian center for endodontic research, dental school, shahid beheshti university of medical sciences, tehran, iran. [email protected] mohammad jafar eghbal department of endodontics, iran center for dental research, dental school, shahid beheshti university of medical sciences, tehran, iran masoud parirokh department of endodontics, dental school, kerman university of medical sciences, kerman, iran hassan torabzadeh department of dental material science, dental school, shahid beheshti university of medical sciences, tehran, iran

introduction: the purpose of this study was to compare the sealability of three different commercial types of mineral trioxide aggregate (mta) and calcium enrichment mixture (cem) cement as an experimental root-end filling material. materials and methods: forty-six single rooted teeth were cleaned, shaped, and obturated. the apical 3 mm of each root was resected and root-end cavities with 3 mm ...

Journal: :iranian endodontic journal 0
mahdi tabrizizadeh yasin asadi aidin sooratgar saeed moradi hossein sooratgar fatemeh ayatolahi

introduction: endodontic treatment in pulpless immature teeth is challenging due to the lack of an apical stop. insertion of an apical plug is an alternative to conventional long-term apexification with calcium hydroxide. the aim of this study was to compare the apical microleakage of mineral trioxide aggregate (mta) and calcium-enriched mixture (cem) cement as apical plugs with three different...

Journal: :iranian endodontic journal 0
saeed asgary iranian center for dental research

intentional tooth reimplantation can be an alternative treatment option for teeth with poor or hopeless prognosis where coronal and surgical endodontic treatment(s) are not possible. this technique may help to restore a natural tooth to function in preference to prosthesis/implant replacements. a 38-years old male was referred to private practice with persistent chronic apical periodontitis of ...

ژورنال: :مجله دانشکده دندانپزشکی مشهد 0
زهرا السادات زهرا السادات مدنی zahrasadat madani assistant professor of endodontics, dental materials research center, school of dentistry, babol university of medical sciences, babol, iranاستادیار اندودانتیکس، مرکز تحقیقات مواد دندانی، دانشکده دندانپزشکی، دانشگاه علوم پزشکی بابل، بابل، ایران اعظم اعظم حدادی azam haddadi assistant professor, dept of endodontics, school of dentistry, mazandaran university of medical sciences, sari, iranاستادیار گروه اندودانتیکس دانشکده دندانپزشکی، دانشگاه علوم پزشکی مازندرانسازمان اصلی تایید شده: دانشگاه علوم پزشکی بابل (babol university of medical sciences) عباس عباس مسگرانی abbas mesgarani assistant professor of endodontics, dental materials research center, school of dentistry, babol university of medical sciences, babol, iranاستادیار اندودانتیکس، مرکز تحقیقات مواد دندانی، دانشکده دندانپزشکی، دانشگاه علوم پزشکی بابل، بابل، ایرانسازمان اصلی تایید شده: دانشگاه علوم پزشکی مازندران (mazandaran university of medical sciences) امرالله امرالله مصطفی زاده amrollah mostafazadeh cellular & molecular biology research center, school of dentistry, babol university of medical sciences, babol, iranمرکز تحقیقات بیولوژی سلولی و مولکولی، دانشکده پزشکی، دانشگاه علوم پزشکی بابل، بابل، ایرانسازمان اصلی تایید شده: دانشگاه علوم پزشکی بابل (babol university of medical sciences) مریم مریم سیدمجیدی maryam seyedmajidi associate professor of pathology, dental materials research center, school of dentistry, babol university of medical sciences, babol, iranدانشیار آسیب شناسی دهان، فک و صورت، مرکز تحقیقات مواد دندانی، دانشکده دندانپزشکی، دانشگاه علوم پزشکی بابل، بابل، ایرانسازمان اصلی تایید شده: دانشگاه علوم پزشکی بابل (babol university of medical sciences) علی علی بیژنی ali bijani non-communicable pediatric diseases research center, school of medicine, babol university of medical sciences, babol, iranمرکز تحقیقات بیماری‏های غیر واگیر کودکان، دانشکده پزشکی، دانشگاه علوم پزشکی بابل، بابل، ایرانسازمان اصلی تایید شده: دانشگاه علوم پزشکی بابل (babol university of medical sciences) منوچهر منوچهر اشرف پور

مقدمه: هدف این مطالعه بررسی میزان بیان اینترلوکین-1 بتا (il-1β)، فاکتور نکروزدهنده توموری (tnf-α) و مایلوپراکسیداز (mpo) بعد از استفاده از mta))mineral trioxide aggregate  و calcium-enriched mixture (cem) به عنوان پالپ کپ در رت‏های دیابتی ‏بود. مواد و روش‏ها: از مدل حیوانی با القای دیابت با استفاده از streptozotocin (تزریق داخل صفاقی به صورت mg/kg 65) استفاده شد. 34 رت به دو گروه دیابتی و سالم ...

Journal: :Iranian endodontic journal 2016
Behnaz Esmaeili Homayoun Alaghehmand Tavoos Kordafshari Ghazaleh Daryakenari Maryam Ehsani Ali Bijani

INTRODUCTION The aim of this study was to compare the discoloration potential of calcium-enriched mixture (CEM) cement, white mineral trioxide aggregate (WMTA) and calcium hydroxide (CH), after placement in pulp chamber. METHODS AND MATERIALS Access cavities were prepared in 40 intact maxillary central incisors. Then, a 2×2 mm box was prepared on the middle third of the inner surface on the b...

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