نتایج جستجو برای: cervical canal cleaning

تعداد نتایج: 139900  

Journal: :Jikken Dobutsu 2021

Non-human primates are most suitable for generating cervical experimental models, and it is necessary to study the anatomy of spine in non-human when models. The purpose this was provide anatomical parameters spinal cord long-tailed macaques (Macaca fascicularis) as a basis spine-related studies. Cervical specimens from 8 male adult subjects were scanned by micro-computed tomography, an additio...

Journal: :Veterinary journal 2014
P Martin-Vaquero R C da Costa C G D Lima

Morphometric investigations comparing normal and affected animals increase our understanding of spinal diseases in dogs. The aim of this study was to generate morphometric data for osseous-associated cervical spondylomyelopathy (CSM) in Great Danes (GDs). Magnetic resonance imaging (MRI) morphometric features of the cervical vertebral column of GDs with and without clinical signs of CSM were ch...

2010
Yousef K. Shabana

Introduction Primary goal in surgical management of chronic otitis media with cholesteatoma is the creation of a dry, safe ear through removal of disease and prevention of recurrence. Canal wall up (CWU) techniques preserve the anatomy of the posterior canal wall, eliminating the need for periodic bowl cleaning and avoiding the risk of recurrent bowl infections. However, the recurrence rate may...

Journal: :Journal of the College of Physicians and Surgeons--Pakistan : JCPSP 2016
Rong Xing Qingquan Kong

Klippel-Feil Syndrome (KFS) is a complex, congenital condition, originally described by Maurice Klippel and Andre Feil in 1912.1 It is characterized by congenital fusion of two or more cervical vertebrae. Because of the abnormal fusion process and altered spinal biomechanics with undue motion at the non-fused cervical segment, adjacent to fused segments, such individuals are predisposed to abno...

2017
Lifeng Chen Shishi Pan Rongying Ou Zhenzhen Zeng Jinyan Chen Fengfeng Xie Lihua Gong Xiuxiu Chen Xiujie Zhu Lizhi Liang Xiaofeng Zhao Xiaojian Yan

We sought to evaluate the distribution pattern of lymph node (LN) metastasis and to indentify preoperative and surgical pathologic factors, which predict positive lymph nodes in patients with cervical carcinoma treated with radical hysterectomy and lymph node dissection (RHND). 365 patients with cervical carcinoma treated by RHND at a single cancer center from 1995 to 2005 were included. 87 pat...

Journal: :AJNR. American journal of neuroradiology 2012
J Hammersley V Haughton Y Wang A Munoz del Rio

BACKGROUND Cervical spinal canal tapering may increase CSF velocities and pressures. One report suggests that the cervical spinal canal tapers more steeply in patients with Chiari I than in healthy subjects. The goal of this study was to test the conclusion by measuring spinal canal tapering in another cohort of patients. MATERIALS AND METHODS Consecutive patients with scoliosis and MR imagin...

Background and Aim: Maintaining the original central canal path during cleaning and shaping of the root canal system plays an important role in the success of endodontic treatment. This study sought to compare canal transportation and centering ability of WaveOne and SafeSider rotary files using cone-beam computed tomography (CBCT). Materials and Methods: This in-vitro, experimental study was ...

Background and purpose: The purpose of mechanical cleaning of the root canal is to clean the canal walls, create a conical shape to facilitate access, effective washing, and filling all areas of the root canal. Errors such as root canal transportation are cuased by excessive dentin removal from the canal. The objective of this study was to investigate root canal transportation by a BT Race rota...

2014
C. Van Toen

Current neck injury criteria do not include limits for lateral bending combined with axial compression and this has been observed as a clinically relevant mechanism, particularly for rollover motor vehicle crashes. The primary objectives of this study were to evaluate the effects of lateral eccentricity (the perpendicular distance from the axial force to the centre of the spine) on peak loads, ...

2009
Kyung-Soo Suk Ki-Tack Kim Jung-Hee Lee Sang-Hun Lee Jin-Soo Kim Jin-Young Kim

BACKGROUND This study was designed to reevaluate the effectiveness of the Pavlov ratio in patients with cervical myelopathy. METHODS We studied 107 patients who underwent open door laminoplasty for the treatment of cervical myelopathy between the C3 to C7 levels. We determined the Pavlov ratio on preoperative and postoperative cervical spine lateral radiographs, the vertebral body-to-canal ra...

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