نتایج جستجو برای: bone cortex to diameter ratio

تعداد نتایج: 10797017  

Journal: :medical journal of islamic republic of iran 0
mohammad rezapour department of information technology management, science and research branch, islamic azad university, tehran, iran.سازمان اصلی تایید شده: دانشگاه آزاد اسلامی علوم و تحقیقات (islamic azad university science and research branch) somayeh taran department of physics, zanjan university, zanjan, iran.سازمان اصلی تایید شده: دانشگاه زنجان (zanjan university) mahmood balin parast computer engineering faculty, shahid beheshti university, tehran, iran.سازمان اصلی تایید شده: دانشگاه شهید بهشتی (shahid beheshti university) morteza khavanin zadeh hasheminejad kidney center, iran university of medical sciences, tehran, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی ایران (iran university of medical sciences)

background: vascular access (va) is an important aspect for blood circulatory in hemodialysis (hd). arteriovenous fistula (avf) is a suitable procedure to gain va. maturation of the avf is a status of avf, which can be cannulated for hd. this study aimed to discover the parameters that effectively reduce the duration between va and start of hd, which symbolizes the maturation time (mt).   metho...

Journal: :American journal of orthodontics and dentofacial orthopedics : official publication of the American Association of Orthodontists, its constituent societies, and the American Board of Orthodontics 2009
Cristiane Monnerat Luciana Restle José Nelson Mucha

INTRODUCTION The purposes of this study were to determine the ideal sites for placement of orthodontic mini-implants in mandibular interradicular spaces by using computed tomography (CT) and to suggest length, diameter, and angulation of the mini-implants. METHODS CT scans were performed on 15 dry human mandibles with 1-mm tomography slices. Measurements were made at 3, 5, 7, 9, and 11 mm hei...

پایان نامه :وزارت بهداشت، درمان و آموزش پزشکی - دانشگاه علوم پزشکی و خدمات بهداشتی درمانی مشهد - دانشکده دندانپزشکی 1390

objective: the objective of this study was to investigate the invitro fluoride release of four new self-adhesive resin cements; set (sdi, australia), breeze (pentron, usa), embrace wetbond (pulpdent, usa), g-cem (gc, japan) and to assess the bonding performance of these self-adhesive resin cements for bonding of orthodontic brackets. materials and methods: for fluoride release experiment, six ...

ژورنال: Anatomical Sciences Journal 2008
Mardani, Marzieh, Rajaei , Farzad,

Purpose: To determine the effects of mobile phones waves on the inner layer of pyramidal cells in rabbit. Materials and Methods: 18 male rabbits were selected and were randomly divided into 3 groups. These group are control group (Gi) and experimental group (G2 & G3). 6 rabbits were placed in each group. The animals in experimental group were exposed to microwave (915 MHz and intensity of 3 wat...

Journal: :iranian journal of otorhinolaryngology 0
amin rahpeyma oral and maxillofacial diseases research center, school of dentistry, mashhad university of medical sciences, mashhad, iran. saeedeh khajehahmadi dental research center, school of dentistry, mashhad university of medical sciences, mashhad, iran. parvin amini dental material research center ,school of dentistry, mashhad university of medical sciences, mashhad, iran.

introduction: knowledge of the presence of the alveolar antral artery in the lateral maxillary sinus wall is essential for surgeons who operate in this region. the purpose of this study was to investigate the correlation between alveolar antral artery diameter and lateral maxillary bony wall thickness in dentate patients.   materials and methods: thirty five cone-beam computed tomography (cbct)...

Journal: :veterinary research forum 2013
mina tadjalli saeed nazifi rahil haghjoo

in order to study the normal hematopoiesis, cellular components and myeloid/erythroid (m/e) ratio in the bone marrow of the pheasant (phasianus colchicus), bone marrow samples were collected from the proximal tibiotarsus bone of 16 clinically healthy adult pheasant. the bone marrow smears were stained using the giemsa stain. the results indicated that the development and formation of blood cell...

Fumitaka Kimura, Mahmoud Salami, Tadaharu Tsumoto,

There are some conflicts about constancy of conduction velocity (CV) in a given tract of nervous system. By recording excitatory postsynaptic currents (EPSC) in layer IV of the somatosensory cortex we tried to clear changes in CV of thalamocortical tract of mice aged 3 to 50 days old. Field potentials and EPSC were recorded in the layer IV by stimulation of ventrobasal nucleus of thalamus (VB) ...

خوشحال, معصومه, صدیق, سجاد, قدرتی, امین, وفایی, فریبرز,

Introduction & Objective: Due to the patients’ growing interest in the use of dental implants, medical staff should be completely aware of treatment success and prognostic factors to prevent failures. The purpose of this study was to evaluate the effect of different crown to implant ratio (C / I Ratio) in the posterior areas of the maxilla and mandible as one of the most important princip...

Amin Rahpeyma, Parvin Amini, Saeedeh Khajehahmadi

Introduction: Knowledge of the presence of the alveolar antral artery in the lateral maxillary sinus wall is essential for surgeons who operate in this region. The purpose of this study was to investigate the correlation between alveolar antral artery diameter and lateral maxillary bony wall thickness in dentate patients.   Materials and Methods: Thirty five Cone-Beam Computed Tomography (CBCT)...

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