نتایج جستجو برای: guttapercha

تعداد نتایج: 78  

2014
Behnam Bolhari Abbas Bahador Hadi Assadian Somayyeh Dehghan

OBJECTIVES To eliminate microorganisms that are responsible for pulpal and periapical infections and to prevent reinfection of the root canal system an effective chemomechanical preparation by irrigants with sustained antimicrobial activity is beneficial. Hereby, we evaluated the residual antibacterial activity of MTAD after canal obturation at different time intervals. MATERIALS AND METHODS ...

2006
Pari Ghaziani Akbar Fallah Rastegar Maryam Bidar Ghazal Sadeghi Parviz Chegin

INTRODUCTION The ideal endodontic treatment for the teeth with in complete root-ends and necrotic pulps may involve the use of material which forms an immediate apical barrier instead of long term calcium hydroxide therapy. Such procedure may lead us to a single appointment endodontic treatment. The purpose of the present study was to evaluate clinical and radiographic success rate in necrotic ...

2017
A Shetty

Aim: To evaluate the maximum depth of sealer penetration into dentinal tubules at the coronal, middle, and apical third of root canals, following the use of different final irrigation solutions. Materials and methods: Eighty freshly extracted mandibular premolars were selected for the study. After decoronation, instrumentation of samples was done using Protaper universal rotary file system till...

2013
Behnam Bolhari Naghmeh Meraji Ali Nosrat Shokoufeh Hassani

OBJECTIVE Eradication of microorganisms present in the root canal system is paramount for the successful outcome of root canal therapy. The purpose of this study was to compare the of doxycycline absorbed from MTAD into root canal dentin after obturation with gutta-percha/AH26 and Resilon/RealSeal at different time intervals. MATERIALS AND METHODS Fifty-one extracted human teeth were instrume...

Journal: :Journal of clinical and diagnostic research : JCDR 2013
Ruchi Gupta Rochna Rai

AIM To ascertain the adoption of new endodontic technology in general dental practice in India in 2011. METHODOLOGY A postal questionnaire survey comprising 26 questions was sent to 700 general dental practitioners. The questions covered professional activity, root canal preparation and instrumentation, choice of irrigants and intracanal medicaments, choice of obturation techniques and other ...

Journal: :Annali di stomatologia 2013
Luca Pusinanti Riccardo Rubini Agnese Pellati Nicoletta Zerman

AIM To evaluate the apical microleakage of Thermafil obturations after three different post space preparation techniques. MATERIALS AND METHODS 33 root canals of mono-radiculated extracted teeth were prepared with M two and then obturated with Thermafil. Teeth so treated were then divided into three groups and the post space to middle root was prepared using three different techniques. In sam...

Journal: :journal of dental school, shahid beheshti university of medical sciences 0
مریم کوزه کنانی maryam kuzekanani dental school, kerman university of medical sciences, kerman-iranدانشکده دندانپزشکی، دانشگاه علوم پزشکی کرمان هنگامه اشراف hengame ashraf dental school, shahid beheshtiuniversity of medical sciences, tehran-iran.دانشکده دندانپزشکی، دانشگاه علوم پزشکی شهید بهشتی یدا... نیکیان yadollah nikian dental school, kerman university of medical sciences, kerman-iranدانشکده دندانپزشکی، دانشگاه علوم پزشکی کرمان

purpose: the aim of this study was to compare the effects of a) a flame heated endo plugger, b) gatesglidden drills and c) gpx drills on the apical seal for the purpose of post space preparation. materials & methods: the crowns of sixty six extracted maxillary central teeth were removed from cej by a diamond disc and the root canals were prepared and obturated with guttapercha and sealer (ah26)...

Journal: :journal of dentistry, tehran university of medical sciences 0
behnam bolhari assistant professor, dental research center dentistry research institute, department of endodontics, dental school, tehran university of medical sciences, tehran, iran. abbas bahador assistant professor, department of medical microbiology, school of medicine, tehran university of medical sciences, tehran, iran. hadi assadian assistant professor, department of endodontics, dental school, sshahed university, tehran, iran. somayyeh dehghan postgraduate student, department of endodontics, school of dentistry, tehran university of medical sciences, tehran, iran.

to eliminate microorganisms that are responsible for pulpal and periapical infections and to prevent reinfection of the root canal system an effective chemomechanical preparation by irrigants with sustained antimicrobial activity is beneficial. hereby, we evaluated the residual antibacterial activity of mtad after canal obturation at different time intervals.a total of 120 human single-canalled...

Journal: :iranian endodontic journal 0
pari ghaziani department of endodontics, school of dentistry, mashhad university of medical sciences, mashhad, iran. [email protected] akbar fallah rastegar department of endodontics, school of dentistry, mashhad university of medical sciences, mashhad, iran maryam bidar department of endodontics, school of dentistry, mashhad university of medical sciences, mashhad, iran ghazal sadeghi department of endodontics, school of dentistry, mashhad university of medical sciences, mashhad, iran parviz chegin endodontist, mashhad, iran

introduction: the ideal endodontic treatment for the teeth with in complete root-ends and necrotic pulps may involve the use of material which forms an immediate apical barrier instead of long term calcium hydroxide therapy. such procedure may lead us to a single appointment endodontic treatment. the purpose of the present study was to evaluate clinical and radiographic success rate in necrotic...

Journal: :journal of dentistry, tehran university of medical sciences 0
behnam bolhari dental research center, department of endodontics, school of dentistry, tehran university of medical sciences, tehran, iran. naghmeh meraji postgraduate student, department of endodontics, school of dentistry, tehran university of medical sciences, tehran, iran. ali nosrat iranian center for endodontic research, shahid beheshti university of medical sciences, tehran, iran. shokoufeh hassani department of endodontics, prosthodontics, and operative dentistry, school of dentistry, university of maryland, baltimore, maryland.

eradication of microorganisms present in the root canal system is paramount for the successful outcome of root canal therapy. the purpose of this study was to compare the of doxycycline absorbed from mtad into root canal dentin after obturation with gutta-percha/ah26 and resilon/realseal at different time intervals.fifty-one extracted human teeth were instrumented. thirty samples were obturated...

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