نتایج جستجو برای: cephalometric trial
تعداد نتایج: 320998 فیلتر نتایج به سال:
Digital Cephalometry is fast becoming the standard of care in contemporary orthodontic diagnosis. Before it can completely take over the traditional methods, it must be demonstrated that it is as accurate as conventional cephalometric radiography. This study was done to compare the accuracy of angular cephalometric measurements on scanned cephalograms with manual tracing as the gold standard. C...
BACKGROUND The purpose of this study was to establish norms for the sagittal occlusal (SO) and vertical occlusal (VO) cephalometric analyses of Pancherz for Dakshina Kannada children and to analyze and compare the difference between boys and girls of same age group (10-14 years). MATERIALS AND METHODS Two hundred and sixty-three (132 boys and 131 girls) children of Dakshina Kannada were inclu...
The aim of our study was to identify the most important anatomical landmarks in the cephalometric evaluation of Class III patients and to clarify the morphological characteristics of these cases. A group of 10 Class III orthodontic patients was evaluated in this study. The control group consisted of 10 patients with average occlusion and skeletal characteristics. Digital lateral cephalometric X...
In this paper we propose a new cephalometric x-ray registration technique based on angular radial transform (ART). The registration is used as a first step in most hybrid cephalometric landmark detection algorithms to find the approximate landmark locations which are further used to find the exact landmark locations in the test x-ray image. All the existing cephalometric algorithms use features...
BACKGROUND AND OBJECTIVE In oral and maxillofacial surgery, conventional radiographic cephalometry is one of the standard auxiliary tools for diagnosis and surgical planning. While contemporary computer-assisted cephalometric systems and methodologies support cephalometric analysis, they tend neither to be practical nor intuitive for practitioners. This is particularly the case for 3D methods s...
Soft tissue profile analysis from cephalometric radiographs is recognized as an important part of the assessment of treatment outcome in cleft lip and palate (CLP), and has previously been found to discriminate between groups better than conventional hard tissue cephalometric analysis. Cephalometric radiographs of 182 12-14-year-old children from the UK with complete unilateral cleft lip and pa...
OBJECTIVE The purpose of this study was to assess new three-dimensional (3D) cephalometric variables, and to evaluate the relationships among skeletal and dentoalveolar variables through 3D cephalometric analysis. METHODS Cone-beam computed tomography (CBCT) scans were acquired from 38 young adults (18 men and 20 women; 22.6 ± 3.2 years) with normal occlusion. Thirty-five landmarks were digit...
Aim: To investigate the correlation between the craniocervical posture measurements obtained by the biophotogrammetric and cephalometric analysis. Methods: 80 women aged between 19 and 35 years were evaluated by the cephalometric and biophotogrammetric methods. The cephalometric variables were: CVA (position of flexion/extension of the head) CPL (forward head posture) CVT/EVT ratio (cervical co...
Background and purpose: Dental and skeletal features, unlike soft tissues, remain unchanged in events where most body tissues are destroyed such as car accidents, plane crash, crimes, etc. Panoramic and lateral cephalometric radiographs can provide useful information about dental and cephalometric indicators in human identification. Materials and methods: A cohort retrospective study was carri...
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