نتایج جستجو برای: nasopalatine canal

تعداد نتایج: 32874  

2017
Hyun Ji Kim Dae-Young Kim Jun Ha Hwang Kyu-Sung Kim

OBJECTIVES To analyze the clinical characteristics of vestibular neuritis patients with minimal canal paresis (canal paresis <25%). METHODS Patients clinically diagnosed with vestibular neuritis and treated at our institute (n=201) underwent otoneurological examination and vestibular function tests. Patients were categorized in terms of the results of caloric testing (canal paresis<25%, n=58;...

Journal: :Restorative dentistry & endodontics 2016
Emmanuel João Nogueira Leal Silva Brenda Leite Muniz Frederico Pires Felipe Gonçalves Belladonna Aline Almeida Neves Erick Miranda Souza Gustavo De-Deus

OBJECTIVES The purpose of this study was to assess the ability of ProTaper Gold (PTG, Dentsply Maillefer) in maintaining the original profile of root canal anatomy. For that, ProTaper Universal (PTU, Dentsply Maillefer) was used as reference techniques for comparison. MATERIALS AND METHODS Twenty simulated curved canals manufactured in clear resin blocks were randomly assigned to 2 groups (n ...

Journal: :Archives of otolaryngology--head & neck surgery 2008
Shin-ichi Haginomori Atsuko Takamaki Ryuzaburo Nonaka Hiroshi Takenaka

OBJECTIVE To compare the incidence and localization of residual cholesteatomas in canal wall down tympanoplasty with soft-wall reconstruction with results with the canal wall down and open tympanoplasty or canal wall up tympanoplasty. DESIGN Retrospective case-series study. SETTING Tertiary care university hospital. PATIENTS Eighty-five patients (85 ears) with fresh extensive cholesteatom...

2015
Tomonori Kanda Tomoki Kiritoshi Marie Osawa Keiko Toyoda Hiroshi Oba Jun’ichi Kotoku Kazuhiro Kitajima Shigeru Furui

BACKGROUND AND PURPOSE Double hypoglossal canal, namely a hypoglossal canal bridging, is a normal variation of the hypoglossal canal. Racial differences in the prevalence of double hypoglossal canal have been reported. We evaluated the prevalence of double hypoglossal canal in a Japanese population with multidetector computed tomography (MDCT). MATERIALS AND METHODS We reviewed five hundred a...

2016
Xiaoqin Yan Mu Li Zhiqi Chen Ying Zhu Yinwei Song Hong Zhang Fan Yuan

We investigated in vivo changes in Schlemm's canal and the trabecular meshwork in eyes with primary open angle glaucoma (POAG). Relationships between Schlemm's canal diameter, trabecular meshwork thickness, and intraocular pressure (IOP) were examined. Forty POAG patients and 40 normal individuals underwent 80-MHz Ultrasound Biomicroscopy examinations. The Schlemm's canal and trabecular meshwor...

2015
Miranda Stavileci Veton Hoxha Ömer Görduysus Ilkan Tatar Kjell Laperre Jeroen Hostens Selen Küçükkaya Edmond Muhaxheri

BACKGROUND Complete mechanical preparation of the root canal system is rarely achieved. Therefore, the purpose of this study was to evaluate and compare the root canal shaping efficacy of ProTaper rotary files and standard stainless steel K-files using micro-computed tomography. MATERIAL AND METHODS Sixty extracted upper second premolars were selected and divided into 2 groups of 30 teeth eac...

Journal: :International endodontic journal 2008
H R D Peiris T N Pitakotuwage M Takahashi K Sasaki E Kanazawa

AIM To investigate differences in the root canal morphology of permanent mandibular molar teeth at various ages. METHODOLOGY Four hundred and eighty permanent mandibular first and second molars were examined. First and second molars were divided into six and five groups, respectively, according to the age of the patient at the time of extraction. Root canal morphology was studied using a clea...

2010
Aysun Kara Tuncer Faruk Haznedaroglu Semih Sert

OBJECTIVES The purpose of this study was to examine the location and accessibility of the second mesibuccal canal in maxillary first molar of a Turkish sub-population. METHODS Presence and accessibility of the MB2 canal in 110 extracted maxillary first molars was examined with unaided vision, dental loups and the DOM. To characterize the geometrical location of MB2 canals, photographs of pulp...

2015
Narmatha Vallakuruchi Jayabal Sheetal Shetty Sandhya Yelamali Anamika Thakur

Meticulous cleaning, shaping and filling of the root canal system are requisites for a successful root canal treatment.. Unfortunately, canal preparation is adversely influenced by the highly complex, intricate and variable root-canal anatomy. Thorough knowledge of root canal morphology and unusual anatomy of the tooth is crucial for the practitioner. Over the years, there have been numerous st...

Ebadolah Tahmasebi, Seyed Mohammad Javad Aslani, Tahereh AliAbadi,

Abstract: Human maxillary first molars are usually considered as three-rooted teeth with four root canals for the presence of a second canal in the Mesio Buccal root (MB2). In addition, lateral ramifications and apical delta of the root canal system may frequently occur, increasing the probability of leaving untreated spaces after the root canal therapy. A thorough knowledge of root canal mor...

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