نتایج جستجو برای: open apex

تعداد نتایج: 404928  

Journal: :journal of dentistry, tehran university of medical sciences 0
n velmurugan professor, department of conservative dentistry and endodontics, meenakshi ammal dental college and hospital, chennai, tamil nadu, india. c sooriaprakas post graduate student, department of conservative dentistry and endodontics, meenakshi ammal dental college and hospital, chennai, tamil nadu, india. preetham jain post graduate student, department of conservative dentistry and endodontics, meenakshi ammal dental college and hospital, chennai, tamil nadu, india.

immature teeth have a large apical opening and thin divergent or parallel dentinal walls; hence, with conventional needle irrigation there is a very high possibility of extrusion. this study was done to compare the apical extrusion of naocl in an immature root delivered using endovac and needle irrigation.eighty freshly extracted maxillary central incisors were decoronated followed by access ca...

پایان نامه :0 1371

the treatment of in completely formed pulpless teeth has presented considrable problems. these teeth have wide open apexes and the walls of the root canal diverge toward the apical tissues. mechanical preparation cannot be done in the normal manner beacause of the large initial size and the taper of apical part of the canal , a mechanical stop cannot be produced at the apex of the canal and , t...

Journal: :iranian endodontic journal 0
saeed moradi department of endodontics, dental school, dental research center, mashad university of medical sciences, mashad, iran maryam bidar department of endodontics, dental school, dental research center, mashad university of medical sciences, mashad, iran mohammad hasan zarrabi department of endodontics, dental school, dental research center, mashad university of medical sciences, mashad/ iranian center for endodontic research, tehran, iran ali talati department of endodontics, dental school, dental research center, mashad university of medical sciences, mashad, iran

introduction: open-apex teeth with irreversible pulpitis require complex and difficult treatment. providing the right environment for apexogenesis and pulp protection is vital for their long term prognosis. the young pulp of open apex tooth, however, is better equipped against irritation and assault. the aim of this study was to evaluate pulp inflammation in open apex canine teeth of cats. mate...

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: :iranian endodontic journal 0
hengameh ashraf department of endodontics, iranian center for endodontic research, dental school, shahid beheshti university of medical sciences, tehran, iran. mahsa eskandarinezhad department of endodontics, dental school, shahid beheshti university of medical sciences, tehran, iran.

this case report describes treatment of a necrotic immature permanent mandibular first molar with pulpal necrosis in 9-year old female with spondyloepiphyseal dysplasia. the coronal half of the root canal was debrided with a file #30 to remove necrotic tissue, and irrigated with chlorhexidine 0.12%. bleeding was evoked to form an intracanal blood clot; the wound was then dressed with calcium hy...

Journal: :iranian endodontic journal 0
parviz amini department of prosthodontics, oral and dental diseases research center, school of dentistry, kerman university of medical sciences, kerman, iran masoud parirokh department of endodontics, oral and dental diseases research center, school of dentistry, kerman university of medical sciences, kerman/ iranian center for endodontic research, tehran, iran

this report describes a case of an eight years old girl who was treated for complicated crown fracture of right maxillary central incisor because of a sport accident. for the tooth total pulpotomy was performed in order to achieve apexogenesis and the tooth was restored with a composite resin. the patient was reviewed over 10 years. at first the tooth showed continued root development and compl...

ژورنال: دانشور پزشکی 2013
افتخار, بهروز , جعفرزاده, منصور , عینی, ابراهیم , محجوبی, آزیتا ,

 Background and Objective: The endodontic management of immature teeth with wide open apices has always posed particular problems. A number of canal preparation and filling techniques have been described such as apexification, surgery and retrograde filling, customized-cone, and apical plug. The purpose of this study was to compare the sectional technique microleakage in open apices with ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تهران 1355

چکیده ندارد.

Journal: :iranian endodontic journal 0
payman mehrvarzfar hengameh akhavan sara ghasemi fatemeh khodaei sohrab tour savadkouhi omid dianat

introduction: mineral trioxide aggregate (mta) mixed with normal saline has short working time, delayed setting time, and poor consistency when used as an apical plug. a preliminary study suggested that substituting normal saline with ky jelly or 5% calcium chloride (cacl 2 ) as a vehicle expedites the setting time of mta. the present in vitro study compared the microleakage of proroot mta mixe...

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