نتایج جستجو برای: cephalometric
تعداد نتایج: 2711 فیلتر نتایج به سال:
Several software programs have been designed for outcome prediction of orthodontic and surgical treatments. This study aimed to review the accuracy and characteristics of cephalometric software programs for outcome prediction of orthognathic surgeries. This study reviewed studies that compared cephalometric software programs in terms of accuracy and characteristics for outcome prediction of o...
The aim of the present study was to evaluate and compare the reproducibility of cephalometric landmarks on (1) conventional films, and images acquired by storage phosphor digital radiography both on (2) hardcopy and (3) monitor-displayed versions. The material consisted of 19 cephalograms for each image modality. The phosphor plates were scanned in an image reader and the 10-bit normalized, raw...
OBJECTIVE Cephalometric measures are used to evaluate vertical facial excess (VFE), however anyone of them have been validated against a gold standard to this purpose. Also, there are differences between cephalometric results and clinical evaluation. This study pretends to validate experts' clinical diagnosis test (ECDT) as gold standard for severe VFE, with the purpose of validating further ag...
OBJECTIVE To assess the treatment effects of fixed functional appliances (FFAs) in treated versus untreated Class II patients by means of lateral cephalometric radiographs. SEARCH METHODS Unrestricted electronic search of 18 databases and additional manual searches up to October 2014. SELECTION CRITERIA Prospective randomized and non-randomized controlled trials reporting on cephalometric a...
Proper statistical analysis is an absolutely essential tool for both clinicians and researchers attempting to implement evidence-based decisions. When analyzing reliability, statistical graphical representation is the best method. Other previously published error studies of 2D measurements, such as cephalometric landmarks, have inappropriately applied one-dimensional approaches, such as linearo...
The aim of this work was to comprehensively evaluate the cephalometric features in Japanese patients with obstructive sleep apnoea (OSA) and to elucidate the relationship between cephalometric variables and severity of apnoea. Forty-eight cephalometric variables were measured in 37 healthy males and 114 male OSA patients, who were classed into 54 non-obese (body mass index (BMI) <27 kg x m(-2),...
INTRODUCTION The objectives of this investigation were to compare the initial cephalometric characteristics of complete Class II Division 1 malocclusions treated with 2 or 4 premolar extractions and to verify their influence on the occlusal success rate of these treatment protocols. METHODS A sample of 98 records from patients with complete Class II Division 1 malocclusion was divided into 2 ...
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