نتایج جستجو برای: root

تعداد نتایج: 138845  

Journal: :iranian endodontic journal 0
anantanarayanan krishnamurti natanasabapathy velmurugan suresh nandini

the aim of this study was to report the endodontic management of right maxillary central incisor having two canals with vertucci canal configuration type iv . internal morphology of root canals is variable and often complex. therefore, to achieve a technically satisfactory endodontic outcome, the clinician must have adequate knowledge of the internal canal morphology and its variations in order...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه اراک - دانشکده علوم 1392

the history of plant’s used for mankind is as old as the start of humankind. initially, people used plants for their nutritional proposes but after the discovery of medicinal properties, this natural ?ora became a useful source of disease cure and health improvement across various human communities. berberis vulgaris is one of the medicinal plants used in iranian traditional medicine. berberis ...

پایان نامه :وزارت بهداشت، درمان و آموزش پزشکی - دانشگاه علوم پزشکی و خدمات بهداشتی درمانی مشهد - دانشکده دندانپزشکی 1392

مقدمه و هدف جهت موفقیت درمان پالپکتومی دردندانهای شیری، آماده سازی کانال با طول صحیح که لازمه حذف بافت عفونی و نکروتیک است ضروری می باشد. از آنجا که در دندانپزشکی کودکان ،جهت کنترل مناسب رفتار باید تا حد امکان از طولانی شدن درمان اجتناب گردد، استفاده از ابزاری که قابلیت حداکثر پاکسازی کانال و نیز دقت کافی جهت اندازه گیری طول مناسب همراه با سرعت بالاتر را داشته باشد، ضروری است. هدف از این مطا...

Journal: :Nature Biotechnology 1985

Journal: :iranian endodontic journal 0
mehdi vatanpour department of endodontics, dental school, islamic azad university, tehran, iran mina zarei department of endodontics, dental school, mashad university of medical sciences. mashad, iran maryam javidi department of endodontics, dental school, mashad university of medical sciences. mashad, iran shiva shirazian specialist in oral medicine, tehran, iran

in endodontics, treatment of an open apex tooth with necrotic pulp is a problem. it seems that with promotion of remnants of hertwig’s epithelial sheath or rest of malassez accompany with a good irrigation of root canal we can expect root formation.

Journal: :journal of dental research, dental clinics, dental prospects 0
richa singh rama dental college, hospital and research centre, kanpur, uttar pradesh shankarappa pushpa rama dental college, hospital and research centre, kanpur, uttar pradesh doraiswamy arunagiri maharana pratap dental college, kanpur, uttar pradesh asheesh sawhny rama dental college, hospital and research centre, kanpur, uttar pradesh abhinav misra rama dental college, hospital and research centre, kanpur, uttar pradesh ramamurthy sujatha rama medical college, hospital and research centre. kanpur, uttar pradesh

background. maximum sealing ability or adhesion of endodontic sealers can be achieved after an effective removal of smear layer. endodontic irrigants assist in adequate removal of smear layer and thus improve the retention mechanism. the aim of this study was to evaluate the effect of two different root canal irrigating solutions (5.25% naocl followed by 17% edta and qmix) on the apical sealing...

Journal: :iranian endodontic journal 0
shiva shojaeian jamileh ghoddusi sara hajian

this case report presents an uncommon case of maxillary molar with two palatal root canals and an enamel pearl in the furcation area. the article discusses root canal complexities of maxillary second molars as well as possibility of coexisting anomalies in the region that makes radiographic interpretation difficult and compromises the success of endodontic treatment.

Journal: :iranian endodontic journal 0
shiva sadeghi department of endodontics, dental school, dental research center, guilan university of medical sciences, rasht, iran vahideh poryousef private practice, rasht, iran

materials and methods: one hundred and thirty five mesial root canals of mandibular first and second molar teeth were selected. access cavities were prepared. after inserting a k-file size #10 into each canal, radiographs were taken. canal curvature was determined by measuring the schneider angle, canal access angle, as well as the canal radius, length, height and curvature starting distance on...

Journal: :journal of dentistry, tehran university of medical sciences 0
sedigheh khedmat sohayla mohamadian fatemeh dibaji mohamad javad kharrazifard

objectives: this study aimed to assess the radicular wall thickness in mandibular incisors with two canals and find the maximum and minimum thickness to prevent root canal treatment (rct) procedural errors. materials and methods: a total of 160 extracted mandibular incisors were selected and radiographed; out of which, 55 had two canals. three parallel transverse sections were made in each toot...

Journal: :journal of dentistry, tehran university of medical sciences 0
mohsen aminsobhani assistant professor, dental research center, dentistry research institute, department of endodontics, faculty of dentistry, tehran university of medical sciences, tehran, iran ; school of dentistry, aja university of medical sciences, tehran, iran. abdollah ghorbanzadeh assistant professor, dental research center, dentistry research institute, department of endodontics, faculty of dentistry, tehran university of medical sciences, tehran, iran. mohammad reza sharifian assistant professor, dental research center, dentistry research institute, department of endodontics, faculty of dentistry, tehran university of medical sciences, tehran, iran. sara namjou postgraduate student, department of endodontics, school of dentistry, tehran university of medical sciences, tehran, iran. mohamad javad kharazifard epidemiologist, dental research center, dental school, tehran university of medical sciences, tehran, iran.

the aim of this study was to introduce modified continuous wave compaction (mcwc) technique and compare its obturation quality with that of lateral compaction (lc), warm vertical compaction (wvc) and continuous wave compaction techniques (cwc). the obturation time was also compared among the four techniques.sixty-four single-rooted teeth with 0-5° root canal curve and 64 artificially created ro...

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