نتایج جستجو برای: enriched cement

تعداد نتایج: 88370  

2014
Hossein Mirhadi Fariborz Moazzami Sareh Safarzade

INTRODUCTION The purpose of this laboratory study was to evaluate the effect of acidic pH on the sealing ability of calcium-enriched mixture (CEM) cement and mineral trioxide aggregate (MTA) apical plugs. METHODS AND MATERIALS Seventy single-rooted human maxillary anterior teeth were recruited. The teeth were randomly divided into 4 experimental groups (n=15), and 1 negative and 1 positive co...

2017
Mohammad Mehdi Shokouhi Abbas Abbaszadegan Amin Ameri Seyed Masih Sharifian Mohammadreza Nabavizadeh

INTRODUCTION This in vitro study investigated the effect of adding 10% calcium chloride (CaCl2) on push out bond strength of calcium-enriched mixture (CEM) cement and mineral trioxide aggregate (MTA) to root canal dentin. METHODS AND MATERIALS A total of 120 root dentin slices with 2 mm thickness were prepared from sixty single-rooted human teeth. Dentinal discs were enlarged to achieve 1.3 m...

2013
Saeed Asgary Sara Ehsani

INTRODUCTION Root-end preparation and restoration with an endodontic material are required when nonsurgical endodontic retreatment has failed or is impossible. The present clinical study reports the treatment outcomes of periradicular surgery using calcium-enriched mixture (CEM) cement. MATERIALS AND METHODS A prospective outcome study of periradicular surgery using CEM was conducted on 14 pe...

2014
Saeed Asgary Laleh Alim Marvasti Alireza Kolahdouzan

This case series aims to comprehensively introduce intentional replantation with a focus on its indications and case selection in endodontics. In all represented cases, calcium enriched mixture (CEM) cement is used for root-end filling. This case series demonstrates twenty cases of IR and extraoral root-end resection and filling with CEM cement. All the selected teeth had a failed endodontic tr...

Journal: :Journal of biomedical materials research. Part A 2003
Luís Alberto dos Santos Raúl Garcia Carrodéguas Anselmo Ortega Boschi Antônio Celso Fonseca de Arruda

Calcium phosphate bone cements are useful in orthopedics and traumatology, their main advantages being their biocompatibility and bioactivity, which render bone tissue osteoconductive, providing in situ hardening and easy handling. However, their low mechanical strength, which, in the best of cases, is equal to the trabecular bone, and their very low toughness are disadvantages. Calcium phospha...

Journal: :iranian endodontic journal 0
saeed moradi associate professor of endodontics , dental materials research center of mashhad university of medical sciences reza disfani assistant professor of endodontics, dental research center of mashhad university of medical sciences kiarash ghazvini assistant professor of microbiology department, mashhad university of medical sciences mahdi lomee assistant professor of endodontics department, faculty of dentistry, mazandaran university of medical sciences

introduction: the aim of this in vitro study was to determine the sealing ability of orthograde proroot mineral trioxide aggregate (mta) and calcium enriched mixture (cem) cement as root-end filling materials. materials and methods: fifty four extracted single-rooted human teeth were used. the samples were randomly divided into 3 experimental groups. in group a and b, 4 mm of wmta and cem cemen...

2009
Ali Kangarlou Samira Sofiabadi Zahra Yadegari Saeed Asgary

INTRODUCTION The purpose of this ex vivo study was to assess the effect of two root-end filling materials against Candida (C) Albicans. MATERIALS AND METHODS ProRoot MTA and CEM Cement were compared immediately and 24 h after mixing, in two different concentrations (50 and 100 mg/mL). A total of 50 culture wells were used and divided into experimental (n=10) and control groups (n=5). Those wi...

Journal: :iranian endodontic journal 0
marjan arman zohreh khalilak moones rajabi ehsan esnaashari keyvan saati

introduction: there are numerous factors that can lead to tooth discoloration after endodontic treatment, such as penetration of endodontic materials into the dentinal tubules during root canal treatment. the aim of this in vitro study was to compare discoloration induced by tooth colored mineral trioxide aggregate (mta) and calcium-enriched mixture (cem) cement in extracted human teeth. method...

2013
Majid Kazem Faranak Mahjour Omid Dianat Saman Fallahi Mohammad Jahankhah

BACKGROUND One ideal property of a root-end filling material is its apical sealing ability. The aim of this in vitro study was to assess bacterial and dye microleakage of white and gray mineral trioxide aggregate (WMTA and GMTA), Portland cement and calcium-enriched mixture (CEM) cement used as root-end filling material, and to assess the agreement between these two test methods. MATERIALS AN...

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