نتایج جستجو برای: cem cement

تعداد نتایج: 30053  

2014
Fariborz Moazami Safoora Sahebi Davoud Jamshidi Aliasghar Alavi

INTRODUCTION Many of highly-alkaline dental materials have some adverse effects on physical properties of dentin. As basic substances, mineral trioxide aggregate (MTA), calcium hydroxide (CH) and the new endodontic material, calcium-enriched mixture (CEM) cement, may adversely affect dentin. The purpose of this in vitro study was to evaluate the effect of long-term application of CEM cement, MT...

2012
Amin Salem Milani Sahar Shakouie Zahra Borna Alireza Sighari Deljavan Mohammad Asghari Jafarabadi Fatemeh Pournaghi Azar

INTRODUCTION In cases of limited access to the surgical site, an alternative approach is to obturate the canal prior to surgery. Endodontic surgery is subsequently performed by root-end resection without retro-cavity preparation. This in vitro study was designed to compare the sealing ability of resected roots filled with either mineral trioxide aggregate (MTA) or calcium enriched mixture (CEM)...

2016
Hossein Mirhadi Fariborz Moazzami Saeed Rangani Jahromi Sareh Safarzade

STATEMENT OF THE PROBLEM Alkaline pH can affect the physical and chemical properties and sealing ability of apical plug material. Calcium hydroxide is used as an intracanal medication to complete disinfection of root canals. It raises the pH of environment to alkaline value. PURPOSE The aim of this in vitro study was to evaluate and compare the effect of alkaline pH on the sealing ability of ...

2014
Zahra Sadat Madani Azam Haddadi Abbas Mesgarani Maryam Seyedmajidi Amrollah Mostafazadeh Ali Bijani Manouchehr Ashraphpour

Diabetes mellitus is a chronic disease which affects the healing ability of the pulp and periodontium. The aim of the present study was to assess the histopathologic response of dental pulp to pulp capping using MTA or CEM cement in diabetic rats. Thirty two Wistar male rats aged between 8 and 10 weeks (weight: 200-250g) were divided into two groups of diabetic (n=16) and healthy (n=16) animals...

2017
Maryam Doozaneh Fatemeh Koohpeima Maryam Firouzmandi Forugh Abbassiyan

INTRODUCTION The aim of this study was to compare the shear bond strength of a self-adhering flowable composite (SAFC) and resin-modified glass ionomer (RMGI) to mineral trioxide aggregate (MTA) and calcium-enriched mixture (CEM) cement. METHODS AND MATERIALS A total of 72 acrylic blocks with a central hole (4 mm in diameter and 2 mm in depth) were prepared. The holes were filled with MTA (su...

2015
Chandani Bhatia Manoj Chandak Dwarkadas Adwani Rakhi Chandak

A review of the existing literature was performed by using electronic and hand searching methods for CEM cement from January 2006 to December 2013. CEM cement has a different chemical composition from that of mineral trioxide aggregate (MTA) but has similar clinical applications. It combines the biocompatibility of MTA with more efficient characteristics, such as significantly shorter setting t...

2010
Masoud Fallahinejad Ghajari Tahereh Asgharian Jeddi Sonay Iri Saeed Asgary

INTRODUCTION The aim of this trial was to compare clinical and radiographic success rates of direct pulp capping (DPC) using a novel biomaterial called Calcium Enriched Mixture (CEM) cement versus Mineral Trioxide Aggregate (MTA) in primary molar teeth. MATERIALS AND METHODS In this randomized clinical trial 42 deciduous molars in 21 patients who had at least two teeth requiring DPC, were tre...

2016
Fatemeh Ayatollahi Mahdi Tabrizizadeh Milad Hazeri Baqdad Abad Reza Ayatollahi Fatemeh Zarebidoki

INTRODUCTION Microleakage is of the causes of endodontic treatment failure. The aim of this in vitro study, was to compare the microleakage of mineral trioxide aggregate (MTA) and calcium-enriched mixture (CEM) cement apical plugs in three environments. METHODS AND MATERIALS A total of 130 human extracted single rooted teeth were collected. After decoronation, preparation of the root canal sp...

2007
Saeed Asgary Farshid Akbari Kamrani Soudabeh Taheri

INTRODUCTION The antibacterial effects of calcium hydroxide (CH), mineral trioxide aggregate (MTA), and calcium enriched mixture (CEM) cement against various spp. of microorganisms were assessed in-vitro using agar diffusion test. MATERIALS AND METHODS A base layer of Petri plates was made using Muller-Hinton agar. Four cavities were made in agar and filled with freshly mixed materials after ...

2013
Ali Nosrat Ali Peimani Saeed Asgary

OBJECTIVES The purpose of the study was to evaluate human dental pulp response to pulpotomy with calcium hydroxide (CH), mineral trioxide aggregate (MTA), and calcium enriched mixture (CEM) cement. MATERIALS AND METHODS A total of nine erupted third molars were randomly assigned to each pulpotomy group. The same clinician performed full pulpotomies and coronal restorations. The patients were ...

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