نتایج جستجو برای: cervical vertebrae

تعداد نتایج: 94015  

Journal: :avicenna journal of dental research 0
mehdi ravadgar orthodontic department, dental materials research center, school of dentistry , babol university of medical sciences, babol, ir iran; orthodontic department, dental materials resaerch center, school of dentistry, babol university of medical sciences, babol, ir iran. tel: +98-1132291408, fax: +98-1132291093سازمان اصلی تایید شده: دانشگاه علوم پزشکی بابل (babol university of medical sciences) alireza mirshekar oral and maxillofacial radiology department, school of dentistry, babol university of medical sciences, babol, ir iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی بابل (babol university of medical sciences) ehsan moudi oral and maxillofacial radiology department, school of dentistry, babol university of medical sciences, babol, ir iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی بابل (babol university of medical sciences) ali bijani social determinants of health research center, babol university of medical sciences, babol, ir iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی بابل (babol university of medical sciences)

conclusions the relationship between calcification of tooth and maturation of cervical bones was significant. this suggested that tooth calcification stages from panoramic radiographs might be clinically useful as a maturity indicator. results all correlation values obtained were statistically significant (p < 0.001). correlations between dental development and skeletal maturity stage due to cv...

Journal: :iranian journal of radiology 0
solmaz valizadeh department of oral and maxillofacial radiology, faculty of dentistry, shahid beheshti university of medical sciences, tehran, iran nakissa eil department of oral and maxillofacial radiology, faculty of dentistry, tehran university of medical sciences, tehran, iran sara ehsani dental research center, research institute of dental sciences, shahid beheshti university of medical sciences, tehran, iran; dental research center, research institute of dental sciences, shahid beheshti university of medical sciences, evin, po box: 1983963113, tehran, iran. tel.: +98-2122413897, fax: +98-2122427753 hooman bakhshandeh cardiovascular intervention research center, rajaie cardiovascular medical research center, tehran university of medical sciences, tehran, iran

conclusion the relationship between calcification of teeth and maturation of cervical bones was significant. bone maturation can be predicted by using teeth calcification stages, especially in the second molar, first molar and lateral incisor. results correlations between the two stages were observed in the first and second premolars, canine and central incisors. all these correlations were sig...

Journal: :iranian journal of radiology 0
mohammadhashem hoseini department of orthodontic, school of dentistry, tehran university of medical sciences, tehran, iran sara zamaheni department of endodontics, school of dentistry, shahid beheshti university of medical sciences, tehran, iran hourieh bashizadeh fakhar department of radiology, school of dentistry, tehran university of medical sciences, tehran, iran forough akbari department of pediatrics, school of dentistry, shahid beheshti university of medical sciences, tehran, iran javad chalipa department of orthodontic, school of dentistry, tehran university of medical sciences, tehran, iran afsaneh rahmati department of endodontics, school of dentistry, shahid beheshti university of medical sciences, tehran, iran; department of endodontics, school of dentistry, shahid beheshti university of medical sciences, tehran, iran. tel: +98-2122403080, fax: +98-2122403194

background prediction of skeletal growth is necessary for growth modification and surgical orthodontic treatments and is usually done by assessing skeletal maturity indicators in hand-wrist radiographs. the use of growth stages of cervical vertebrae in lateral cephalograms has been suggested to avoid overexposure. objectives this study seeks to assess the degree of agreement between hand-wrist ...

Journal: :International journal of applied dental sciences 2022

Introduction: Cervical vertebrae are used as a reliable tool to assess the skeletal maturation of an individual and predict maximum growth potential.Aim objective: This study aimed estimate bone age by measuring 3rd 4th cervical vertebrae(C3, C4) dimensions on cephalometric radiographs.Materials Methods: A total 100 girls in group 7-15 years were taken into consideration. Using radiographs, we ...

2011
A. T. Chougale

Radiologist always examines X-ray to determine abnormal changes in cervical, lumbar & thoracic vertebrae. Osteophyte (bony growth) may appear at the corners of vertebrae so that vertebral shape becomes abnormal. This paper presents the idea from Image processing techniques such as customised Hough transform which will be used for segmentation which should be independent of rotation, scale, nois...

Journal: :European journal of paediatric dentistry : official journal of European Academy of Paediatric Dentistry 2008
R Mourelle E Barbería N Gallardo T Lucavechi

AIM Many studies have been made to evaluate the growth, development and maturation of cervical vertebrae. These studies make clear how those vertebrae have growth patterns and centre of ossification similar to those in carpal bones, therefore cervical vertebrae can be used to determine bone age. The aim of the present study is the observation of cervical vertebrae in cephalometric radiographs t...

2016
Yong Zhang Zhuang Zhou Cheng'ai Wu Danhui Zhao Chao Wang Xiaoguang Cheng Wei Cai Ling Wang Yangyang Duanmu Chenxin Zhang Wei Tian

OBJECTIVE To investigate the bone mineral density (BMD) of cervical vertebrae in a population-stratified manner and correlate with that of the lumbar vertebrae. MATERIALS AND METHODS Five hundred and ninety-eight healthy volunteers (254 males, 344 females), ranging from 20 to 64 years of age, were recruited for volumetric BMD (vBMD) measurements by quantitative computed tomography. Basic info...

Journal: :The Journal of bone and joint surgery. British volume 1977
S Sheikholeslamzadeh B Aalami-Harandi H Fateh

Spondylolisthesis of the fourth cervical vertebra is reported in a thirty-four-year-old woman. Only one other case at this level has been found in the literature, but others have been recorded of the sixth cervical vertebra.

Journal: :Dental press journal of orthodontics 2013
Roberto Hiroshi Matsui Julio Cezar de Melo Castilho Luiz César de Moraes Mônica Fernandes Gomes Kurt Faltin Júnior Miriam Yumi Matsui

INTRODUCTION Biological age is an important parameter for growth and development assessment. It can be evaluated through the observation of radiographic changes in skeletal maturation of cervical vertebrae. OBJECTIVE This study aims to: a) verify if there is correlation between growth curve and the stages of bone age of animals used in laboratories, by evaluating radiographs of the cervical v...

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