نتایج جستجو برای: root thickness

تعداد نتایج: 246146  

Journal: :The journal of contemporary dental practice 2013
M S Rama Rao Abdul Shameem Rashmi Nair Sureshbabu Ghanta Rekha P Thankachan Johnson K Issac

AIM The aim of the present study was to compare the remaining dental thickness (RDT) in the mesiobuccal root of mandibular first molars at 3 and 7 mm from the anatomic apex after instrumentation with ProTaper, light speed LSX, K3 and M2 and to compare with that of K-files. MATERIALS AND METHODS In this study, 60 extracted, untreated human mandibular first molars with fully formed apices, with...

Journal: :journal of dentistry, tehran university of medical sciences 0
mojgan paknejad associate professor, dental research center, dentistry research institute, department of periodontics, school of dentistry, tehran university of medical sciences, tehran, iran afshin khorsand associate professor, dental research center, dentistry research institute, department of periodontics, school of dentistry, tehran university of medical sciences, tehran, iran siamak yaghobee assistant professor, dental research center, dentistry research institute, department of periodontics, school of dentistry, tehran university of medical sciences, tehran, iran pooriya motahhari oral and maxillofacial pathologist, private practice, tehran, iran arghavan etebarian postgraduate student, department of oral and maxillofacial pathology, school of dentistry, tehran university of medical sciences, tehran, iran mojtaba bayani postgraduate student, department of periodontics, school of dentistry, tehran university of medical sciences, tehran, iran

o bjectives: the aim of this study was to determine the cementum thickness in the first molars of patients with localized aggressive periodontitis (lap) compared to healthy individuals. materials and methods: this case-control study compared eight first molar teeth af-fected by lap with eight third molar teeth of healthy individuals. the teeth were dis- infected by immersion in 10% buffered for...

Journal: :Circulation journal : official journal of the Japanese Circulation Society 2002
Hisao Onozuka Satoshi Fujii Taisei Mikami Satoshi Yamada Naoki Ishimori Toshihiro Shimizu Tomoo Furumoto Yukihito Nakai Kaoru Komuro Keiko Nishihara Hiroshi Okamoto Akira Kitabatake

Apolipoprotein E-knockout (apoE-KO) mice have been used for studying atherogenesis, but the in vivo features including cardiovascular function have not yet been reported. This study aimed to noninvasively evaluate cardiovascular lesions in 6 apoE-KO mice and 6 control (C57BL/6) mice using transthoracic echocardiography performed using an originally developed linear scanner that permits a high-s...

Journal: :Journal of oral rehabilitation 2015
A P Farina A L Weber B de P Severo M A Souza D Cecchin

To investigate the influence of post length and amount of remaining root tissue on the fracture resistance of roots restored with fibre posts relined with resin composite. Ninety upper canine teeth were divided into nine groups (n = 10). The post spaces were prepared resulting in different lengths, as follows: group 2/3, preparations with lengths of 10 mm; group 1/2, preparations with lengths o...

2015
Toshitsugu Kawata

The effects of long-term, artificially created, hypofunctional occlusion and its recovery on the morphology of the first molar root in mice have been investigated. C57BL/6J (Jackson Laboratory, Bar Harbor ME, USA) mice were randomly divided according to their periodontal conditions into normal, hypofunctional, and recovery groups (n = 4). In the experimental hypofunctional and recovery groups...

Journal: :Ulusal travma ve acil cerrahi dergisi = Turkish journal of trauma & emergency surgery : TJTES 2015
Yusuf Tanrıkulu Gökhan Yılmaz Ceren Şen Tanrıkulu Volkan Temi Fürüzan Köktürk Mithat Çağsar Boran Yalçın

BACKGROUND Acute appendicitis (AA) is one of the most common surgical emergencies, whosepostoperative morbidity and mortality increase significantly when the appendix perforates. The identification of factors that lead to perforation in these patients might effectively reduce morbidity. In this study, factors associated with perforation in AA were examined. METHODS The study included sixty pa...

2009
Setareh Derakhshan Alireza Adl Masoud Parirokh Fatemeh MashadiAbbas Ali Akbar Haghdoost

INTRODUCTION The purpose of this study was to compare the subcutaneous tissue responses of freshly mixed or set endodontic root canal sealers (i.e. RoekoSeal, AH26, AH Plus) in Wistar Albino rats. MATERIALS AND METHODS Seventy-two male albino rats weighing 200-250g were used. The animals were randomly divided into six groups of 12 rats each. Root canal sealers were implanted in subcutaneous t...

2015
Kássio SOUSA Carlos Vieira ANDRADE-JUNIOR Juliana Melo da SILVA Marco Antonio Hungaro DUARTE Gustavo DE-DEUS Emmanuel João Nogueira Leal da SILVA

UNLABELLED The search for new instruments to promote an appropriate cervical preparation has led to the development of new rotary instruments such as TripleGates. However, to the best of the authors' knowledge, there is no study evaluating TripleGates effect on the "risk zone" of mandibular molars. OBJECTIVES The aim of this study was to evaluate the effects of a crown-down sequence of Gates-...

1998
GEORG ZIMMERMANN

Let L be the Laplacian matrix of a tree. We present a graph-theoretic interpretation of the cofactors of order 2 of L. From this, we deduce a description for the inverse of the rooted Laplacian, reflecting the geometry of a branch. Defining the thickness of a branch as the Perron root of this matrix, we present a minimaxcharacterization of the characteristic center of the tree based on the thic...

2016
Shivani Sachdeva Mangesh Phadnaik Harish Saluja Parul Tandon

Citation: Sachdeva S, Phadnaik M, Saluja H and Tandon P. (2016). Think Pink: An Esthetic Root Coverage with Laterally Displaced Flap. M J Case. 1(1): 004. ABSTRACT BACKGROUND Complete root coverage is one of the primary objectives to be considered when treating gingival recessions. Furthermore, aesthetic demands can be satisfied by soft tissue grafts, the thickness and color of which should not...

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