نتایج جستجو برای: apical seal

تعداد نتایج: 44008  

Journal: :iranian endodontic journal 0
mahmoud-reza hamidi elham mahmoudi ali-akbar moghadamnia samir zahedpasha

introduction: leakage of the root canal system is an importent consideration when placing an intracanal medicament. the aim of this in vitro study was to compare the effect of calcium hydroxide and 1% chlorhexidine gel as intracanal medicaments on tooth apical seal. materials and methods: seventy extracted, single-rooted maxillary anterior teeth were divided into the three experimental groups (...

2011
Graziele Silva Emmanuel João Nogueira Leal da Silva Juliana Melo da Silva Carlos Vieira Andrade-Júnior Caio César Randi Ferraz

INTRODUCTION The aim of this study was to evaluate the apical and coronal seal of endodontic filling promoted by the combined use of Sealer 26/gutta-percha, Endofill/gutta-percha and Resilon/ Epiphany. MATERIALS AND METHODS A total of 38 extracted human canine teeth were selected; 10 teeth for each test group and 4 for each control group. After conducting conventional endodontic treatment, th...

2010
Tahsin Yildirim Nimet Gencoglu

Pulpal and periradicular pathosis are the result of microbial, mechanical, or chemical invasion. Microorganisms are the main irritants of pulpal and periapical tissues. The goal of the obturation is to obtain a fluid-tight seal of the root canal system from its coronal aspect through its apical extent to preserve from the irritants.. Root apices have morphological irregularities in teeth with p...

Journal: :Journal of endodontics 2003
David B Ferguson John T Marley Gary R Hartwell

The purpose of this study was to determine whether chlorhexidine gluconate (0.12%), used as an endodontic irrigating solution, would affect the apical seal of three root canal cements. One hundred, extracted, human, single-canal teeth were divided into 9 experimental groups of 10 teeth each, in addition to a positive and negative control group of 5 teeth each. The teeth were decoronated at the ...

Journal: :dental research journal 0
deepu roy farhana chowdhury munvar miya shaik mohammad khursheed alam

background: endodontic leakage research focus mainly on the quality of the apical seal of the root canal system and the newly introduced resilon/epiphany system claim to be superior to gutta-percha in respect to obturation procedure. the aim of this study is to evaluate the root canal obturation completed by resilon/epiphany system. materials and methods: a total of 42 teeth were selected and w...

2014
Maryam Kazemipoor Jalil Modaresi Hengameh Zandi Narges Vasee Vaziri Farzaneh

AIMS The purpose of this study was to compare microbial penetration method and electrochemical technique for evaluation of the apical seal. MATERIALS AND METHODS A total of 28 teeth were prepared using the step-back technique to ISO size 40 master apical files. The specimens were randomly divided into an experimental group, two positive and two negative controls. Root canals in the experiment...

Journal: :Brazilian oral research 2008
Patricia Gimenez Oddoni Isabel Mello Jeffrey Martin Coil João Humberto Antoniazzi

This study compared the coronal and apical leakage of AH Plus with gutta-percha to that of Epiphany with Resilon. Twenty-four single rooted teeth were instrumented and divided into 2 groups according to the solutions for smear layer removal and the obturation materials employed: Group A - 17% EDTA-T and AH Plus with gutta-percha; Group B - primer and Epiphany with Resilon. The Group B specimens...

2004
Francisco Banchs

A new technique is presented to revascularize immature permanent teeth with apical periodontitis. The canal is disinfected with copious irrigation and a combination of three antibiotics. After the disinfection protocol is complete, the apex is mechanically irritated to initiate bleeding into the canal to produce a blood clot to the level of the cementoenamel junction. The double seal of the cor...

Journal: :The journal of contemporary dental practice 2006
Emre Bodrumlu Umut Tunga

AIM The aim of this study was to assess the apical sealing ability of Resilon obturation material. METHODS AND MATERIALS Forty-two single rooted extracted human teeth were selected and randomly divided into three groups. They were obturated using lateral condensation with gutta-percha and AH 26/AH plus and Resilon; also, 12 root canals were used as control groups. The apical leakage was measu...

Journal: :journal of dentistry, tehran university of medical sciences 0
hamid razavian assistant professor of endodontic, torabinejad dental research center and department of endodontics, school of dentistry, isfahan university of medical sciences, isfahan, iran. alireza haerian resident of orthodontics, torabinejad dental research center and department of orthodontics, school of dentistry, isfahan university of medical sciences, isfahan, iran. hamid mosleh dentist, dental students' research center, school of dentistry, isfahan university of medical sciences, isfahan, iran.

many materials have been introduced for apexification each having their own advantages and disadvantages. this case report aims to present a new method of apexification using a combination of deproteinized bovine bone mineral (dbbm) and enamel matrix derivative (emd). after irrigating the canal of the maxillary right canine with 2.5 % sodium hypochlorite, a mixture of bio-oss and emd was packed...

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