نتایج جستجو برای: arch dimensions

تعداد نتایج: 175221  

Journal: :European journal of orthodontics 2015
Aditya Tadinada Mina Mahdian Meenakshi Vishwanath Veerasathpurush Allareddy Madhur Upadhyay Sumit Yadav

INTRODUCTION The purpose of this study was to evaluate the alveolar bone dimensions and arch perimeter discrepancy in unilateral palatally impacted canines. METHODS This retrospective split-mouth study reviewed 207 cone-beam computed tomography (CBCT) scans of patients with unilateral or bilateral impacted canines referred for orthodontic treatment. Out of 207 CBCT scans, only 39 scans in whi...

2012
Alexander Turin Bryce Merritt Jennifer A Febbo Michael Markl James Carr

The purpose of this study is to use magnetic resonance angiography (MRA) to evaluate the relationship between different patterns of bicuspid aortic valve (BAV) fusion and aortic arch morphologies, as characterized by the carotid-subclavian artery (CSA) index of the aortic diameter at the left subclavian artery to the distance between the left carotid artery and the left subclavian artery and ao...

2015
Kyung Hee Park Mohamed Bayome Jae Hyun Park Jeong Woo Lee Seung-Hak Baek Yoon-Ah Kook

OBJECTIVE The purposes of this study were 1) to classify lingual dental arch form types based on the lingual bracket points and 2) to provide a new lingual arch form template based on this classification for clinical application through the analysis of three-dimensional virtual models of normal occlusion sample. METHODS Maxillary and mandibular casts of 115 young adults with normal occlusion ...

2014
Adriano Porto Peixoto Ary dos Santos Pinto Daniela Gamba Garib João Roberto Gonçalves

INTRODUCTION This study assessed the three-dimensional changes in the dental arch of patients submitted to orthodontic-surgical treatment for correction of Class II malocclusions at three different periods. METHODS Landmarks previously identified on upper and lower dental casts were digitized on a three-dimensional digitizer MicroScribe-3DX and stored in Excel worksheets in order to assess th...

Journal: :Pediatric dentistry 1997
N L Villa G J Cisneros

This study investigated the effect of the palatal crib appliance used in the correction of open bite malocclusions secondary to fingersucking. Twelve experimental and 12 control subjects were studied for an average of 3.9 months. The sample consisted of patients who were both growing and not growing. Study models taken before and after the study period were analyzed for changes in the following...

Journal: :Hypertension 2008
Anthony M Dart Bronwyn A Kingwell Christoph D Gatzka Kristyn Willson Yu-Lu Liang Karen L Berry Lindon M H Wing Christopher M Reid Philip Ryan Lawrence J Beilin Garry L R Jennings Colin I Johnston John J McNeil Graham J MacDonald Trefor O Morgan Malcolm J West James D Cameron

This study examined the importance of aortic dimensions in determining pulse pressure in elderly hypertensives participating in the 2nd Australian National Blood Pressure Study, including a substantial number not previously receiving blood pressure lowering medication. Aortic dimensions were determined by ultrasound at the transverse arch and at the insertion of the aortic valve. Unadjusted dat...

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